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CDM-425 Advanced Satellite Modem

Revision 0

Introduction

1–26

MN-CDM-425

1.4.3

Data Interfaces

Primary Data

RS-422/EIA-530 DCE (Rates up to 14 Mbps)
(also supports X.21 DCE & DTE up to 2.048 Mbps)
V.35 DCE (Rates up to 14 Mbps)

25-pin D-sub (female)

G.703 (Tx In, Drop Out,

Insert In, Rx Out)

1.544 Mbps T1 (Balanced 100

Ω

)

2.048 Mbps E1 (unbalanced 75

Ω

or balanced 120

Ω

)

Note: All Drop and Insert modes are a FAST option.

9-pin D-sub (female)
or BNC (female)

Auxiliary G.703
(used for Quad D&I

modes)

Two additional 2.048 Mbps E1 ports (balanced 120

Ω

)

Note: All Drop and Insert modes are a FAST option.

9-pin D-sub (female)

External Reference In/Out As an input:

1, 2, 5 or 10MHz -6dBm to +10dBm (nominal 50/75

Ω

)

As an output:
10MHz, 2.7 volts peak-to-peak +/- 0.4 volts, low impedance output

BNC (female)

Modem Alarms

Relay outputs (Tx, Rx & unit faults)
Demodulator I & Q test outputs (constellation)
Demodulator Rx Signal Level output (0 to 10 volts)
External carrier off input

15-pin D-sub (male)

Remote Control

RS-232 or RS-485 modem control and monitoring

9-pin D-sub (male)

PMSI Interface

Pre-mapped Symbol interface
(used by DoubleTalk Carrier-in-Carrier function)

9-pin D-sub (female)

1:1 Control

Control interface for CRS170A/CRS180 1:1 Redundancy unit

9-pin D-sub (male)

Ethernet

4 ports of 10/100 BaseT auto-sensing full/half duplex Ethernet

RJ-45

1.4.4

Automatic Uplink Power Control (AUPC)

Operating Mode

Requires Closed Network Framed mode (EDMAC, D&I++, or Enhanced D&I) for transport of

Eb/No information from remote modem (EDMAC can be enabled or disabled)

Target Eb/No range

0 to 14.9 dB at remote demod (default is 4.0 dB)

Max AUPC range

0 to 9 dB (default is 3 dB)

Monitor functions

Remote demod Eb/No
Tx power level increase
(front panel or via remote control interface)

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Содержание CDM-425

Страница 1: ...n Manual For Firmware Version 1 1 1 or higher Part Number MN CDM 425 Revision 0 IMPORTANT NOTE The information contained in this document supersedes all previously published information regarding this...

Страница 2: ...n 0 MN CDM 425 Copyright 2017 Comtech EF Data All rights reserved Printed in the USA Comtech EF Data 2114 West 7th Street Tempe Arizona 85281 USA 480 333 2200 FAX 480 333 2161 Revision History Rev Dat...

Страница 3: ...xxv CE Mark xxv Product Support xxv Comtech EF Data Headquarters xxvi Warranty Policy xxvi Limitations of Warranty xxvi Exclusive Remedies xxvii CHAPTER 1 INTRODUCTION 1 1 1 1 Overview 1 1 1 2 Functi...

Страница 4: ...tors 3 8 3 2 2 2 1 Balanced G 703 DB 9F 3 8 3 2 2 2 2 Aux G 703 DB 9F 3 9 3 2 2 2 3 Quad E1 Operation via the Balanced G 703 Aux G 703 Connectors 3 9 3 2 2 2 4 Unbal G 703 Insert Data Out IDO Drop Dat...

Страница 5: ...4 CONFIG Tx FEC 6 17 6 2 1 3 5 CONFIG Tx Mod Modulation 6 18 6 2 1 3 6 CONFIG Tx Data 6 19 6 2 1 3 7 CONFIG Tx Symb IP ACM or V2 ACM Modes Only 6 21 6 2 1 3 8 CONFIG Tx Scrambler 6 22 6 2 1 4 CONFIG R...

Страница 6: ...mote Settings 6 52 6 2 1 13 CONFIG IP 6 52 6 2 1 13 1 CONFIG IP Addresses 6 53 6 2 1 13 2 CONFIG IP SNMP 6 53 6 2 1 13 3 CONFIG IP Setup 6 56 6 2 1 13 4 CONFIG IP ANT Advanced Network Timing 6 69 6 2...

Страница 7: ...essor 6 100 6 2 7 SELECT ODU Menu Branch Summary Only 6 101 6 2 8 SELECT FAST Menu Branch 6 101 6 2 8 1 FAST Options 6 101 6 2 8 1 1 FAST Options View Options 6 101 6 2 8 1 2 FAST Options Set Register...

Страница 8: ...Configuration ANT 7 69 7 5 4 3 12 Configuration MEO 7 72 7 5 4 4 Status Pages 7 74 7 5 4 4 1 Status Modem Status 7 74 7 5 4 4 2 Status Modem Logs 7 76 7 5 4 4 3 Status Modem Info 7 80 7 5 4 4 4 Statu...

Страница 9: ...e Factory Defaults 9 23 9 3 3 Home Modem 9 24 9 3 3 1 Home Modem Interface 9 26 9 3 3 2 Home Modem Modem TX 9 27 9 3 3 3 Home Modem Modem RX 9 29 9 3 3 4 Home Modem CnC Carrier in Carrier 9 31 9 3 3 5...

Страница 10: ...tistics Managed Switch 9 88 9 3 10 4 Home Statistics WAN Router Mode 9 89 9 3 10 5 Home Statistics WAN Managed Switch Mode 9 90 9 3 10 6 Home Statistics Compression 9 91 9 3 10 6 1 Home Statistics Com...

Страница 11: ...Cable A 3 A 1 3 EIA 232 Remote Control Cable A 4 APPENDIX B FORWARD ERROR CORRECTION FEC OPTIONS B 1 B 1 1 VersaFEC Extensions B 4 B 1 1 1 Extended CCM Codes B 4 B 1 1 2 Ultra Low Latency ULL Codes B...

Страница 12: ...lation Process F 8 F 2 2 Margin Requirements F 9 F 2 4 Carrier in Carrier and Adaptive Coding and Modulation F 10 F 2 5 Carrier in Carrier Link Design F 10 F 2 5 1 Symmetric Data Rate Link F 10 F 2 5...

Страница 13: ...int Router Multipoint Hub Mode I 10 I 4 1 1 Router Multipoint Hub Configuration I 11 I 4 2 Multicast Routing Mode I 12 I 4 2 1 Multicast Routing Configuration I 13 I 5 Ethernet Overhead over WAN Inter...

Страница 14: ...gestion Control K 23 K 10 Using ACM with AUPC K 24 K 11 Notes and Recommendations K 25 K 12 Summary of Specifications K 27 K 12 1 VersaFEC ACM K 27 K 12 2 VersaFEC 2 ACM K 29 APPENDIX L IP SUB MUX L 1...

Страница 15: ...Table 3 1 Rear Panel Connections 3 5 Table 3 2 Data Interface Connector Pinouts 3 6 Table 3 3 Balanced G 703 Connector Pinouts 3 8 Table 3 4 Auxiliary G 703 Connector Pinouts 3 9 Table 3 5 Data Cabli...

Страница 16: ...gure 1 4 Rear Panel View AC Connection 1 12 Figure 1 5 Rear Panel View DC Connection 1 12 Figure 1 6 Transmit Power Spectral Density Tx Alpha 0 05 to 0 20 1 17 Figure 1 7 Transmit Power Spectral Densi...

Страница 17: ...n Modem Page IP ACM Mode 7 31 Figure 7 15 Configuration Modem Page VersaFEC2 ACM Mode 7 32 Figure 7 16 Configuration LAN IP Page 7 34 Figure 7 17 Configuration LAN ARP Page 7 38 Figure 7 18 Configurat...

Страница 18: ...10 42 Figure 10 7 ODU Enable Page 10 44 Figure 10 8 ODU Error Connection Message Page 10 45 Figure 10 9 ODU Error Enable Message Page 10 45 Figure 10 10 ODU Config Page CSAT 5060 10 46 Figure 10 11 OD...

Страница 19: ...ure I 3 Ethernet Networking Loop Example Simplified I 3 Figure I 4 Networking Loop Example I 4 Figure I 5 Hub to Hub with Standard Traffic Using Routers I 5 Figure I 6 Hub to Remotes with Standard Tra...

Страница 20: ...atic Power Control D I Drop and Insert DC Direct Current DCE Data Circuit termination Equipment DDI Drop Data In DDO Drop Data Out DHCP Dynamic Host Configuration Protocol DNS Domain Name System DPD D...

Страница 21: ...Loop PMSI Pre Mapped Symbol Interface POCO Power on Carrier off PTP Precision Time Protocol QDI Quad Drop Insert QoS Quality of Service R MPHub Router Multipoint to Hub R MPRm Router Multipoint to Rem...

Страница 22: ...CDM 425 Advanced Satellite Modem Revision 0 Table of Contents xx MN CDM 425 Acronym Description WAN Wide Area Network WRT Wireless Receiver Transmitter...

Страница 23: ...techefdata com Comtech EF Data acknowledges that all trademarks are the property of the trademark owners DoubleTalk is licensed from Raytheon Applied Signal Technology DoubleTalk is a registered trade...

Страница 24: ...installation make sure the unit is stable Otherwise EN 60950 safety is not guaranteed Sect 3 3 CDM 425 Ground and Power connections Grounding CAUTION PROPER GROUNDING PROTECTION IS REQUIRED The instal...

Страница 25: ...I IMQ KEMA KEUR and SEV Battery WARNING THE MODEM CONTAINS A LITHIUM BATTERY DANGER OF EXPLOSION EXISTS IF THE BATTERY IS INCORRECTLY REPLACED REPLACE ONLY WITH THE SAME OR EQUIVALENT TYPE RECOMMENDED...

Страница 26: ...n technical requirements and the Declarations of Conformity for the applicable directives standards and practices that follow European Union Electromagnetic Compatibility EMC Directive 2004 108 EC Emi...

Страница 27: ...ce European Union RoHS Directive 2002 95 EC This unit satisfies with exemptions the requirements specified in the European Union Directive on the Restriction of Hazardous Substances in Electrical and...

Страница 28: ...o return and be marked clearly on the return packaging Comtech EF Data strongly recommends all equipment be returned in its original packaging Comtech EF Data Corporation s obligations under this warr...

Страница 29: ...as stated is in lieu of all other warranties expressed implied or statutory including those of merchantability and fitness for a particular purpose The buyer shall pass on to any purchaser lessee or o...

Страница 30: ...CDM 425 Advanced Satellite Modem Revision Preface xxviii MN CDM 425 Notes...

Страница 31: ...Packet Processor and 40 watts typical with DC supply and Packet Processor It features front panel Light Emitting Diode LED Indicators a keypad and a Vacuum Fluorescent Display VFD for local configurat...

Страница 32: ...in transponder bandwidth efficiency See Appendix N TRANSMIT SPECTRUM FILTERING OPTIONS for important information about these options Its demod design incorporates fast acquisition optimal composite po...

Страница 33: ...se I and quadrature Q signals are then fed to the BPSK QPSK 8 QAM 16 QAM 8 ARY 16 ARY and 32 ARY modulator The carrier is generated by a frequency synthesizer and the I and Q signals directly modulate...

Страница 34: ...the Comtech EF Data CDM 625 and CDM 625A modems in VersaFEC modes It is also backwards compatible with the CDM 625A in VersaFEC 2 modes 1 3 3 Verification The CDM 425 Advanced Satellite Modem includes...

Страница 35: ...face that eliminates the need to exchange interface cards for different applications The interfaces offered as standard include RS 422 EIA530 DCE at rates up to 14 Mbps X 21 DTE and DCE at rates up to...

Страница 36: ...anced Unbalanced Adapter Kit Y Cable 6 3 2 2 2 3 3 KT 0020570 Quad E1 Balanced Unbalanced Adapter Kit Y Cable 3 ft CA WR12685 1 V35 to EIA 530 Adapter Cable 25 pin D Type Male to 37 pin D Type Female...

Страница 37: ...ipped with Viterbi and Reed Solomon codecs It offers BPSK QPSK and OQPSK modulation types and data rates up to 5 0 Mbps with all interface types While it is limited to Closed Network operation it also...

Страница 38: ...ng Protocol PTP FAST Main Power Supplies 100 240 VAC Nominal 90 264 VAC Maximum HARDWARE 43 60 VDC Nominal 36 60 VDC Maximum HARDWARE BUC Power Supplies 24V 100W HARDWARE 48V 150W 50 C 180W 35 C HARDW...

Страница 39: ...ver using either the front panel display and keypad or any of its remote control interfaces The EDMAC channel may also be used to convey M C data to a transceiver at the distant end of a satellite lin...

Страница 40: ...llite Modem Revision 0 Introduction 1 10 MN CDM 425 1 3 9 Physical Features 1 3 9 1 Dimensional Envelope All dimensions are in inches Dimensions shown in parentheses are in metric units mm Figure 1 2...

Страница 41: ...of the modem 6 1 1 2 Keypad The keypad comprises six individual keyswitches The keys have a positive click action that provides tactile feedback Enter data via the keypad Data prompts and messages are...

Страница 42: ...atures Chapter 3 REAR PANEL CONNECTORS AND PINOUTS Figure 1 4 Rear Panel View AC Connection Figure 1 5 Rear Panel View DC Connection Figure 1 4 and Figure 1 5 shows the rear panel of the modem Externa...

Страница 43: ...b rate Auxiliary Tx G 703 In DDO BNC female Drop Data Output Sub rate Auxiliary Rx G 703 Out 10 100 Ethernet 4X RJ 45 female 10 100 BaseT management and data Utility Sect 3 2 3 Remote Control 9 pin Ty...

Страница 44: ...mode 5 overhead EDMAC data rates 2 048 Mbps all modes 1 6 overhead EDMAC 2 rates 2 048 Mbps EDMAC 3 for SNMP Proxy same as EDMAC VersaFEC Codec short block low latency and ultra low latency low densi...

Страница 45: ...6 ARY Rate 0 660 0 684 0 708 0 733 0 757 0 782 0 801 0 831 32 ARY Transmit filtering Root Raised Cosine alpha 0 05 0 10 0 15 0 20 0 25 and 0 35 front panel software selectable See graphs of output spe...

Страница 46: ...dB minimum return loss 18 dB typical Output connector 950 2250 MHz band Type N female 50 180 MHz band BNC female Clocking options Internal 0 06 ppm SCT External locking over a 100 ppm range TT Loop ti...

Страница 47: ...rol BUC Current Monitor Min Max programmable current alarm thresholds Tx Carrier ON Delay Selectable feature power on to allow internal ovenized reference to stabilize before turning on Tx carrier Int...

Страница 48: ...CDM 425 Advanced Satellite Modem Revision 0 Introduction 1 18 MN CDM 425 Figure 1 7 Transmit Power Spectral Density TX Alpha 0 25 and 0 35...

Страница 49: ...t decision proprietary Acquisition range Programmable in 1kHz increments and subject to the following Below 64 ksymbols sec 1 to Rs 2 kHz where Rs symbol rate in ksymbols sec Between 64 and 389 ksymbo...

Страница 50: ...ed in bytes and milliseconds Supports asymmetric operation when buffer is clocked from Tx clock Rx and Tx rates do not need to be identical Monitor Functions Eb No estimate 2 to 10 dB with 0 3 dB accu...

Страница 51: ...e desired carrier BER 10 5 BER 10 8 Rate 0 642 8 QAM 4 6 dB 4 3 dB 4 9 dB 4 6 dB Rate 0 711 8 QAM 5 2 dB 4 9 dB 5 5 dB 5 2 dB Rate 0 780 8 QAM 5 6 dB 5 3 dB 6 0 dB 5 7 dB VersaFEC CODEC BER 16 QAM Wit...

Страница 52: ...611 8 ARY 3 4 dB 3 1 dB 3 7 dB 3 4 dB Rate 0 635 8 ARY 3 5 dB 3 2 dB 3 7 dB 3 4 dB Rate 0 660 8 ARY 3 7 dB 3 4 dB 3 8 dB 3 5 dB Rate 0 684 8 ARY 3 9 dB 3 6 dB 4 1 dB 3 8 dB BER 10 4 BER 10 8 Rate 0 70...

Страница 53: ...2 5 dB 2 2 dB 3 0 dB 2 7 dB Rate 0 611 QPSK 2 6 dB 2 3 dB 3 1 dB 2 8 dB BER 10 4 BER 10 8 Rate 0 635 QPSK 2 8 dB 2 5 dB 3 2 dB 2 9 dB Rate 0 660 QPSK 2 9 dB 2 6 dB 3 3 dB 3 0 dB Rate 0 684 QPSK 3 0 d...

Страница 54: ...carrier BER 10 4 BER 10 8 Rate 0 660 32 ARY 7 3 dB 7 0 dB 7 9 dB 7 6 dB Rate 0 684 32 ARY 7 5 dB 7 2 dB 8 1 dB 7 8 dB Rate 0 708 32 ARY 7 7 dB 7 4 dB 8 2 dB 7 9 dB Rate 0 733 32 ARY 8 2 dB 7 9 dB 8 7...

Страница 55: ...Rate L Band 950 2250 MHz Figure 1 9 Rx Carrier Level vs Symbol Rate IF Band 50 180 MHz 90 80 70 60 50 40 30 20 10 0 10 100 1000 10000 100000 Symbol Rate in ksps Carrier Level in dBm Maximum Minimum 8...

Страница 56: ...Modem Alarms Relay outputs Tx Rx unit faults Demodulator I Q test outputs constellation Demodulator Rx Signal Level output 0 to 10 volts External carrier off input 15 pin D sub male Remote Control RS...

Страница 57: ...g Outbound desired symbol rate 10 dB Maximum Symbol Rate Ratio 3 1 TX RX or RX TX Inbound Outbound frequency uncertainty Within the normal acquisition range of the demod as follows Below 64 ksymbols s...

Страница 58: ...QAM Rate 0 642 35 0 12000 0 VersaFEC 8 QAM Rate 0 711 39 0 12000 0 VersaFEC 8 QAM Rate 0 780 43 0 12000 0 VersaFEC 16 QAM Rate 0 644 ECCM 47 0 11000 0 VersaFEC 16 QAM Rate 0 731 53 0 12000 0 VersaFEC...

Страница 59: ...decreasing SNR Corresponds to SNR Eb No that gives BER 5 x 10 8 Switch point hysteresis 0 3 dB Max fading rate Approximately 1 dB second higher if Target Eb No margin 1 dB Max ModCod update rate 1 up...

Страница 60: ...te ACM Mode Mbps 00 BPSK 0 488 0 49 2 4 18 1 2 00 01 QPSK 0 533 1 07 2 2 39 6 4 38 02 QPSK 0 631 1 26 2 7 46 7 5 16 03 QPSK 0 706 1 41 3 4 52 2 5 78 04 QPSK 0 803 1 61 3 8 59 6 6 60 05 8 QAM 0 642 1 9...

Страница 61: ...margin set to 0 dB Switch point hysteresis 0 3 dB Max fading rate Approximately 1 dB second higher if Target Eb No margin 1 dB Max ModCod update rate 1 update every 1 7 seconds Configurable parameters...

Страница 62: ...5 14 8 ARY 0 635 1 906 18720 6 2 299 34 3 23 8 37 12 5 15 8 ARY 0 660 1 979 19440 6 5 311 35 6 24 7 37 12 5 16 8 ARY 0 684 2 052 20160 6 9 322 36 9 25 0 37 12 2 17 8 ARY 0 708 2 125 20880 7 2 333 38 3...

Страница 63: ...80 6 4 51 31 7 2 0 37 1 13 8 ARY 0 611 1 832 3000 6 6 53 33 0 2 0 37 1 14 8 ARY 0 635 1 906 3120 6 9 55 34 3 2 0 37 1 15 8 ARY 0 660 1 979 3240 7 2 57 35 6 2 0 37 1 16 8 ARY 0 684 2 052 3360 7 5 59 36...

Страница 64: ...date FTP protocol via Ethernet port Dimensions 1RU high 14 0 inches 355 6 mm deep Weight 8 0 lbs 3 6 kg maximum All option cards and 48V BUC supply installed AC consumption 43 watts typical 200 watts...

Страница 65: ...CDM 425 Advanced Satellite Modem Revision 0 Installation 2 1 MN CDM 425 Chapter 2 INSTALLATION 2 1 Unpack and Inspect the Shipment Figure 2 1 Unpack and Inspect the Shipment...

Страница 66: ...N HANDLING THE EQUIPMENT Once opened inspect the shipment Step Task 1 Keep all shipping materials 2 Check the packing list to make sure the shipment is complete 3 Inspect the equipment for damage If d...

Страница 67: ...PROPER AIR VENTILATION IS REQUIRED In a rack system where there is high heat discharge provide forced air cooling with top or bottom mounted fans or blowers o Make sure there is adequate clearance in...

Страница 68: ...4 MN CDM 425 Feature Description 1 Custom Rack Enclosure 2 CDM 425 Advanced Satellite Modem 3 Standard Rack Shelving 4 Rack Enclosure Threaded Front Mounting Rail typical 5 Modem Front Panel 6 User su...

Страница 69: ...nting Rail typical Item Kit Quantity CEFD P N Description KT 6228 2 KT 6228 3 1 2 2 HW 10 32SHLDR Shoulder Screw 10 2 4 4 HW 10 32FLT Flat Washer 10 3 2 2 HW 10 32SPLIT Lock Washer 10 4 2 2 HW 10 32HE...

Страница 70: ...em Configuration Chapter 6 FRONT PANEL OPERATION The modem is shipped with a default 64 kbps QPSK Rate 1 2 configuration There are no internal jumpers to configure no interface cards to install and no...

Страница 71: ...Cables Chapter 3 REAR PANEL CONNECTORS AND PINOUTS Verify the correct operation via the Internal IF Loop test then use the front panel keypad to finalize your configuration as needed Connect all exte...

Страница 72: ...CDM 425 Advanced Satellite Modem Revision 0 Installation 2 8 MN CDM 425 BLANK PAGE...

Страница 73: ...dicated to a specific mode of operation types see Section 3 2 1 Not all of these operational interface types may be available 2 The European EMC Directive EN55022 EN50082 1 requires using properly shi...

Страница 74: ...or hex flats to accommodate torqued installation Connection Instructions Bayonet Coupling Connections Use the plug slots to guide then slide the plug onto the jack posts Then turn the plug clockwise...

Страница 75: ...at interlock to ensure proper pin orientation and connector seating Either chassis receptacle gender features two jack nuts for secure assembly of the cable plug to the chassis receptacle Whether its...

Страница 76: ...configuration assures proper installation and pin orientation Connection Instructions Press down the tab on the cable plug and then insert the plug into the RJ 4x jack The connection is complete when...

Страница 77: ...D I Quad E1 Ports 1 2 Auxiliary G 703 9 pin Type D female Quad E1 Ports 3 4 Unbalanced Out BNC female Receive G 703 IDO Unbalanced In BNC female Transmit G 703 DDI IDI BNC female Insert Data In Sub r...

Страница 78: ...Data Connection Group 3 2 2 1 Data Interface DB 25F The Data Interface connector is a 25 pin Type D female interface that conducts data input and output signals to and from the modem and connects to...

Страница 79: ...SD A SD A 103 14 Transmit Data B DTE to Modem SD B SD B SD B SD B 103 1 Shield Shield FG Shield Shield 101 Notes 1 When the rear panel Light Emitting Diode LED marked 1 N Active is OFF all of the sign...

Страница 80: ...G 703 D I or D I When used with Quad E1 operations this connector serves Ports 1 and 2 of the Quad E1 interface Table 3 3 Balanced G 703 Connector Pinouts R L Pin Signal Function Serial G 703 Signal F...

Страница 81: ...peration via the Balanced G 703 Aux G 703 Connectors Each adapter cable option provides for two of the four ports of the Quad E1 interface If all four ports of Quad E1 are needed the user will need to...

Страница 82: ...163 Adapter Cable DB 9M 2X DB 15F Table 3 6 CA 0000163 Connector Pinouts Table ordered by Signal Function Signal Function Connector Twisted Pair P1 J1 J2 Port 1 or 3 Tx In 5 9 X Port 1 or 3 Tx In 9 1...

Страница 83: ...0164 Adapter Cable DB 9M 2X RJ 48F Table 3 7 CA 0000164 Connector Pinouts Table ordered by Signal Function Signal Function Connector Twisted Pair P1 J1 J2 Port 1 or 3 Tx In 5 1 X Port 1 or 3 Tx In 9 2...

Страница 84: ...0020710 Y Cable Assembly 3 DB 9M 2X RJ 48 Male See Table 3 9 2 2 502 0532 001 Bolun Adapter 2X RJ 48 Female 2X BNC 75 Female Table 3 9 CA 0000347 CA 0020710 Connector Pinouts P1 PINOUT Table ordered b...

Страница 85: ...escription Direction BNC G 703 Unbalanced Rx IDO Out G 703 Unbalanced Tx DDI In 3 2 2 2 5 G 703 Insert Data In IDI Drop Data Out DDO Connector Type Description Direction BNC IDI Insert Data Input In D...

Страница 86: ...nded for connection to an M C computer or terminal device and is user selectable for either EIA 232 or EIA 485 Table 3 10 Remote Control Connector Pinouts L R Pin Description Direction 1 Ground 6 EIA...

Страница 87: ...Carrier OFF 2 AGC AGC Voltage Rx signal level 0 to 10 Volts 10 N A Spare No connection 3 RX Q Rx Q Channel Constellation Monitor 11 RX I RX I Channel Constellation Monitor 4 UNIT COM Unit Fault 12 UNI...

Страница 88: ...ltidrop bus system used in tandem with Carrier in Carrier CnC where one device transmits and all other devices on the multidrop bus are configured to receive Table 3 12 PMSI Connector Pinouts R L Pin...

Страница 89: ...l connector is a 9 pin Type D female connector Table 3 13 1 1 Control Interface Connector Pinouts R L Pin Description Direction 5 Ground 9 Fused 12 volt Out Out 4 Redundancy In 2 In 8 Redundancy Out 2...

Страница 90: ...t all times It is therefore imperative that the unit is properly grounded using the ground stud provided on the unit rear panel during installation configuration and operation Figure 3 8 Chassis Groun...

Страница 91: ...ion Feature Description 1 On Off Switch 2 Press fit Fuse Holder 3 IEC 60320 Type C14 Three prong Connector Table 3 15 AC Chassis Power Specifications AC Power Specifications Input Power 43 watts typic...

Страница 92: ...upply 100 240 VAC 120W Power Supply w required cables TBD AC 65W Power Supply TBD AC 120W Power Supply TBD AC Power Cord Standard IEC 60320 Type C13 USA CA 90025 5FT AC Power Jumper Cord Standard IEC...

Страница 93: ...er module located on the rear panel Figure 3 12 Figure 3 12 AC Fuse Replacement WARNING DISCONNECT THE POWER SUPPLY BEFORE PROCEEDING To replace the fuse s do these steps 1 Unseat the fuse holder from...

Страница 94: ...er Interface Features and Description Table 3 18 DC Chassis Power Specifications Feature Description 1 On Off Switch 2 Power Terminal Block 3 Screw in Fuse Holders Receptacles DC Power Specifications...

Страница 95: ...peration Accessories Optional CEFD P N Description PS 0020607 DC 48V 70W Power Supply CA 0000455 DC Pigtail Adapter 3 3 3 2 DC Operation Apply Power Optional Figure 3 14 DC Chassis Connection Optional...

Страница 96: ...Chassis Fuse Replacement Optional WARNING DISCONNECT THE POWER SUPPLY BEFORE PROCEEDING To replace the fuses do these steps 1 Unscrew either fuse holder from its receptacle Then remove and replace the...

Страница 97: ...blished with the unit you can download the update archive file from the Comtech EF Data Web site www comtechefdata com or obtain it through e mail from Comtech EF Data Product Support Perform the CDM...

Страница 98: ...in Base modem firmware F0021125 _V FW 0021125 FW 0021125 bin IP Packet Processor Module option without AES Encryption CONTACT CEFD PRODUCT SUPPORT FW 0021126 bin IP Packet Processor Module option with...

Страница 99: ...Terminal A 9 pin serial cable and a standard CAT5 Ethernet cable to connect the modem to the User PC 2 Use the 9 pin serial cable to connect the modem s Remote Control port to a serial port on the Use...

Страница 100: ...Firmware Base modem Image 1 or Image 2 menu branches as shown in this example Image X Bulk DD MM YY FW 0020731X Ethernet IP Address Use the CONFIG IP Addresses menu branch as shown in this example Eth...

Страница 101: ...5 MN CDM 425 Figure 4 3 Admin Firmware Pages Using the CDM 425 Serial Remote Interface via the User PC terminal emulator program Firmware Info Use the 0 SWR condensed or 0 FRW detailed remote query Et...

Страница 102: ...y folder o Right click anywhere on the desktop to open the popup submenu and then select New Folder to create a temporary folder on the desktop o Right click on the new folder and then select Rename f...

Страница 103: ...o Right click the New Folder folder name and then rename this folder to temp or some other convenient unused name Figure 4 6 Temporary Folder Using Run and Browse Use Windows Command line to create t...

Страница 104: ...ww comtechefdata com b On the Main page under Support Information or the Support tab select the Software Downloads hyperlink c On the Software Downloads page click Download Flash and Software Update F...

Страница 105: ...k on the archive file name and then follow the prompts provided by the user supplied utility program For the Base Modem update a minimum of two files should be extracted FW 0021103 _CDM 425_ bin The b...

Страница 106: ...Windows based PC and o Your PC serial port is connected to the modem Remote Control port with a standard user serial cable o Your PC Ethernet port is connected to the modem 10 100 Ethernet port with...

Страница 107: ...odem Use Command line Type ping xxx xxx xxx xxx at the Command line prompt where xxx xxx xxx xxx is the unit Ethernet Traffic Management IP Address You may alternately use the CDM 425 Advanced Satelli...

Страница 108: ...e file transfers the destination bulk must be all lower case If the IP Packet Processor is installed and enabled Type put FW 0021103 _CDM 425_ bin make sure you do not type the destination bulk as is...

Страница 109: ...the IP Packet Processor firmware 4 To upload the IP Packet Processor firmware Use Command line to initiate the FTP session with the modem a Type ftp xxx xxx xxx xxx where xxx xxx xxx xxx is the CDM 42...

Страница 110: ...successful 6 Use the modem front panel menus or the modem HTTP Interface Admin Firmware Base Modem or as needed Admin Firmware Packet Processor page to select the desired firmware image to boot from...

Страница 111: ...em You may perform a soft reboot or a hard reboot as follows Using the modem HTTP Interface Admin Reboot page click Reboot Now Both the web page and the modem front panel will display Rebooting Please...

Страница 112: ...Advanced Satellite Modem PktP VFEC 2 present Ver1 4 1 8 Log in to a new Web session at this time The modem HTTP Interface Home page will serve to verify that the new firmware version is active as show...

Страница 113: ...the setup FAST technology allows you to order a unit precisely tailored for the initial application When your service requirements change you can upgrade the topology of the unit to meet these require...

Страница 114: ...ODU FAST B The modem s 9 digit Baseboard S N is displayed on the bottom line to the left as shown in this example FAST Options Demo Mode CnC Baseboard S N 123456789 HW Rev1 X Audio C Write down the Se...

Страница 115: ...is obtained from Comtech EF Data it will be for a specific option register The FAST options are linked to two option registers Register1 is for Data Rate L Band and Framing options Register2 is for Mo...

Страница 116: ...rsist contact Comtech EF Data Product Support for further assistance 5 2 2 FAST Activation Using the HTTP Web Server Interface Chapter 7 ETHERNET BASED REMOTE PRODUCT MANAGEMENT Figure 5 1 HTTP Interf...

Страница 117: ...ce the register specific 20 digit FAST Access Code s and the FAST option activation instructions When a FAST Access Code is obtained from Comtech EF Data it will be for a specific option register The...

Страница 118: ...CDM 425 Advanced Satellite Modem Revision 0 FAST Activation Procedure 5 6 MN CDM 425 Notes...

Страница 119: ...mmary fashion the status of the modem 6 1 1 2 Keypad The keypad comprises six individual keyswitches The keys have a positive click action that provides tactile feedback ENTER data via the keypad Data...

Страница 120: ...FF Rx Receive TRAFFIC Green No Rx Traffic faults Demod FEC decoder are locked valid frame sync if applicable and no other Rx traffic alarms Off An Rx Traffic fault exists frame sync alarm etc the demo...

Страница 121: ...T STATUS Green No Unit Faults or Traffic Faults Orange No Unit Faults but a Traffic Fault exists Red A Unit Fault exists Example PSU fault STORED EVENT Orange There is a Stored Event in the log which...

Страница 122: ...s that may be provided at the current cursor position 6 1 3 Vacuum Fluorescent Display VFD The CDM 425 features a Vacuum Fluorescent Display VFD The VFD is an active display showing two lines of 40 ch...

Страница 123: ...n 6 1 3 2 1 Feature Availability Operation Indicators via the Opening Screen Appendix J IP PACKET PROCESSOR OPTION Appendix K VERSAFEC VERSAFEC 2 ACM ADAPTIVE CODING AND MODULATION ACM OPTION Chapter...

Страница 124: ...dem Info 6 2 4 Information Use to view information on the modem without having to access the Configuration screens Store Ld 6 2 5 Store Load Use to store and retrieve up to 10 different modem configur...

Страница 125: ...CDM 425 Advanced Satellite Modem Revision 0 Front Panel Operation 6 7 MN CDM 425 Figure 6 2 CDM 425 Principle Menu Tree FW Ver 1 1 1...

Страница 126: ...Rx 6 2 1 4 Receive Use to define Rx configuration of the unit These menu submenu branches would be used if you wished to change for example just the Rx data rate Clocks 6 2 1 5 Use to select Tx Clocki...

Страница 127: ...ust be in Local Mode to make configuration parameter changes from the front panel Remote Mode is required when using Serial based remote M C You must be in Ethernet Mode when using Ethernet based remo...

Страница 128: ...rface Type menu screen Select Interface Type and Framing for both Tx and Rx from this menu Use the arrow keys to select the parameter to edit The bottom line indicates the available options for the ac...

Страница 129: ...FAST option Framed QDI is a concatenation of QDI and EDMAC framing D I Enhanced Available in E1 CCS this allows enabling of ESC and then AUPC EDMACs which include EDMAC EDMAC is a Comtech EF Data pro...

Страница 130: ...n before the transmit carrier is inhibited the demodulator must be unlocked continuously for the selected time period 1 2 4 7 or 10 seconds Enabling RTI does not affect the Internal IF Loopback featur...

Страница 131: ...z To edit the Tx IF Frequency use the arrow keys to select a digit and then use the arrow keys to change that digit Press ENTER Valid settings are IF Frequency Range Step Size Increment 70 140 MHz 50...

Страница 132: ...id settings are Tx Frequency Maximum Output Power Level Minimum Output Power Level 70 140 MHz 50 180 MHz FAST option 0 dBm 25 dBm L Band 950 2250 MHz 0 dBm 40 dBm 6 2 1 3 3 1 CONFIG Tx Power Mode AUPC...

Страница 133: ...to change that digit Press ENTER Valid settings are Upper Limit Default 14 9 dB 3 0 dB On the bottom line Edit the maximum permitted increase in power level when in AUPC Mode by using the arrow keys...

Страница 134: ...enabled the mode is fixed at Normal On the bottom line use the arrow keys to select the maximum permitted power increase Lower Limit Upper Limit Step size Increment 0 0 dB 9 9 dB 0 1 dB CONFIG Tx Powe...

Страница 135: ...alk Carrier in Carrier Option When you select CnC Automatic Power Control CnC APC mode this menu appears as shown Output Power Mode CnC Auto Power Control Level 25 0dBm MaxPwrIncrease 2 5dB On the bot...

Страница 136: ...ulation Type FEC Rate Choice VFEC BPSK Fixed at 0 488 QPSK 0 533 0 631 0 706 0 803 8 QAM FAST option 0 576 0 642 0 711 0 780 16 QAM FAST option 0 644 0 731 0 780 0 829 0 853 ULL VersaFEC Ultra Low Lat...

Страница 137: ...he options appear as shown Mod BPSK B Q FEC Rate 0 493 Fixed When you select VF2S or VF2L from the CONFIG Tx FEC submenu the options appear as shown Mod BPSK B Q 8 16 32 ARY FEC Rate 0 489 Fixed 6 2 1...

Страница 138: ...and maximum data rates depend on Framing mode Interface type Modulation type and FEC Code Rate When you change any of the higher priority parameters causing the data rate to become invalid the Data Ra...

Страница 139: ...or V2 ACM Modes Only Appendix K VERSAFEC VERSAFEC 2 ACM ADAPTIVE CODING AND MODULATION ACM OPTION VersaFEC ACM or VerseFEC 2 ACM modes require the appropriate FAST codes for the maximum operating symb...

Страница 140: ...ler used for Normal depending on the exact operating mode If framing D I the IESS 309 scrambler is used If framing EDMAC 2 3 its frame synchronous scrambler is used ITU V 35 scrambler Intelsat variant...

Страница 141: ...d by Composite Rate information 6 2 1 4 1 CONFIG Rx Rx IF Rx Acquisition Sweep Range 032 kHz SpectrumInvert Off Rx 35 35 12 Use the arrow keys to select a parameter Press ENTER Acquisition Sweep Range...

Страница 142: ...as reversing the direction of phase rotation in the demodulator When in BPSK mode note that the demodulator automatically synchronizes to either the normal time ordering of bits FEC codeword pairs or...

Страница 143: ...tep Size Increment 70 140 MHz 50 180 MHz 100 Hz L Band FAST Option 950 2250 MHz 100 Hz When you use the ODU menus to configure an LNB lockout frequency this screen displays a second line of informatio...

Страница 144: ...arrow keys to select the setting The Decoder type selected dictates the FEC Rate selections Decoder Type Modulation Type FEC Rate Choice VFEC BPSK Fixed at 0 488 QPSK 0 533 0 631 0 706 0 803 8 QAM FAS...

Страница 145: ...elect ULL from the CONFIG Rx FEC submenu the options appear as shown Demod BPSK B Q FEC Rate 0 493 Fixed 6 2 1 4 5 CONFIG Rx Data Chapter 3 REAR PANEL CONNECTORS AND PINOUTS Rx Data Rate Rx Sub Mux Us...

Страница 146: ...G 703 interface type the arrow keys scroll through only the available data rates When you edit the data rate to 1920 kbps while in D I framing a message appears to indicate that E1 Fixed Channel Mode...

Страница 147: ...pported transmit and receive symbol rates do not have to be equal On the bottom line Set the Data Invert or Clock Invert operation by using the arrow keys to select On or Off Press ENTER 6 2 1 4 7 CON...

Страница 148: ...s below this value and the fault is NOT masked a receive traffic fault will be generated 6 2 1 4 9 CONFIG Rx SNR IP ACM or V2 ACM Modes Only Receive SNR Alarm Point 00 1 dB When either ACM mode is act...

Страница 149: ...ted the modem will substitute its internal clock and generate an alarm Rx Loop timed Allows the modem s internal clock to be phase locked to the Rx buffer clock source This output clock is Send Timing...

Страница 150: ...CT Data is clocked out of the buffer using the same reference that drives the modem Internal SCT Ins ert Available only if Rx framing is D I and Rx interface is G 703 Sets the buffer clock to the Inse...

Страница 151: ...ension Mode Interface Use the arrow keys to select Mode or Interface Press ENTER CONFIG Clocks Clk Ext Mode G 703 Clock Extension Mode RxEnable None TxLock RxEnable Use the arrow keys to select a para...

Страница 152: ...nce modes Internal and Internal with Output and then press ENTER Internal with Output mode uses the internal reference as an output on the rear panel Ext Ref In Out BNC connector This mode is useful i...

Страница 153: ...the D I menu branch displays One Port D I operation as follows Drp Type T1 D4 Chan TS Loop Y Y N Ins Type T1 D4 Chan TS On the top line Use the arrow keys to select the Drp Type Drop Type its Chan TS...

Страница 154: ...elect the number of Drop or Insert Channel Timeslots from na to 24 Press ENTER The number of available Channel Timeslots depends on the data rate If the data rate is 1920 kbps and the framing is D I t...

Страница 155: ...els for each port Use the arrow keys on the bottom line to select the port to edit and then use the arrow keys to edit the number of channels for that port The cumulative data rate calculates and disp...

Страница 156: ...vailable for selection up to Channel 31 as shown by the preceding examples Use the arrow keys as necessary to scroll between these nested selections Once you select a channel use the arrow keys on the...

Страница 157: ...em will operate If using IP ACM Mode ModCod 00 is BPSK Rate 0 488 0 49 bps Hz ModCod 11 is 16 QAM Rate 0 853 3 41bps Hz If using V2 ACM Mode The minimum setting for VF2S Short Block VersaFEC 2 and VF2...

Страница 158: ...s to select Go to min Tx ModCod recommended or Maintain Tx ModCod Press ENTER If using V2 ACM Mode When distant end demod loses lock Go to Tx ModCod 0 Fixed in VEFC 2 This screen is read only Press EN...

Страница 159: ...Carrier Mode Freq Offset Search Delay PMSI control Use the arrow keys to select a parameter Press ENTER 6 2 1 8 1 CONFIG CnC Mode Appendix F DOUBLE TALK CARRIER IN CARRIER CnC OPTION See Appendix F DO...

Страница 160: ...kHz This range is pre calculated and displayed in parentheses for reference 6 2 1 8 3 CONFIG CnC Search Delay CnC Search Delay range 0 330ms Min 010 ms Max 290 ms You may apply restrictions to the ran...

Страница 161: ...operation you must connect the appropriate cable to the PMSI connector on the rear panel of each modem For 1 N multi drop applications Use Comtech EF Data cable P N CA 0000275 For 1 1 applications Use...

Страница 162: ...EDMAC Address 0020 Use the arrow keys to select the mode as Idle Master or Slave Press ENTER If the mode is Master or Slave the bottom line shows an address To edit the address use the arrow keys to...

Страница 163: ...nal only when the Data Interface Type is G 703 Tx G 703 DDO Code AMI AMI B8ZS Rx G 703 IDI Code AMI AMI B8ZS The selections displayed here depend on the selected G 703 interface type Use the arrow key...

Страница 164: ...2 1 10 3 CONFIG Misc Warm Up High Stab Reference Warm Up Delay Enabled None Enable The High Stability Reference Module contains an oven for its crystal During the short time it takes for the oven and...

Страница 165: ...led Ethernet data traffic is transmitted and received via the Primary and Non Primary CDM 625 s four 10 100 Ethernet ports The Antenna Handover signal received from the user provided IF RF switch dete...

Страница 166: ...ue from 30 to 30 On the bottom line Use the arrow keys to select the Antenna Handover switching mode and to assign the Communication Port Address Use the arrow keys to set the Antenna Handover switchi...

Страница 167: ...Active Mask Reference Alarms Active Use the arrow keys to select Buffer Slip Alarm or Reference Alarms Then typical for either choice use the arrow keys to select Active or Masked When you select the...

Страница 168: ...ut is lost or removed or when you select another interface type where the Tx Clock mode is External and the clock is lost or removed When you select the Masked the modem generates no alarm 6 2 1 11 5...

Страница 169: ...ODU TRANSCEIVER BUC AND LNB OPERATION LNB alarm Active Active Mask Attach to Rx alarm No Yes No When L Band is in use you may include a Low Noise Block Down Converter LNB in the operating system You...

Страница 170: ...ttings Interface RS 485 4W 232 485 2 485 4 Address 0001 9600 baud When you select either Local or Serial remote control use the arrow keys to select Interface Address or Baudrate Then use the arrow ke...

Страница 171: ...enu CONFIG IP Addresses Gateway Ethernet IP Gateway 192 168 001 002 Edit the IP Gateway Address for the Ethernet M C port for this unit by using the arrow keys to select a digit Then use the arrow key...

Страница 172: ...able All printable ASCII characters are available except for the backslash ASCII code 92 and tilde ASCII code 126 Press ENTER after composing the string All trailing spaces are removed from the string...

Страница 173: ...m line are available All printable ASCII characters are available with the exception of the backslash ASCII code 92 and tilde ASCII code 126 Press ENTER after composing the string All trailing spaces...

Страница 174: ...nal IP Packet Processor card is either not installed or installed but disabled the mode is Fixed at Managed Switch Mode 6 2 1 13 3 2 CONFIG IP IP Setup WAN WAN Buffer Length 240ms Avg Buffer Fill Stat...

Страница 175: ...ctive selected port you must meet the following conditions Tx Data Rate or IP Info Rate if Sub Mux is on or a data rate calculated based on ModCod00 from the Symbol Rate in ACM must be at least 128 kb...

Страница 176: ...Buffer can store just over 8 packets with a size of 1500 bytes Does the WAN Buffer size affect latency Yes and No When Yes When the LAN is over driving the modulator the rate at which packets are bei...

Страница 177: ...ts is handled differently through QoS for example and the WAN Buffer is not used Comtech EF Data highly recommends the use of the optional IP Packet Processor module particularly for ACM operation 6 2...

Страница 178: ...You must cycle unit power whenever enabling or disabling MAC Learning Mode MAC learning Off Off On MAC Learning is an Ethernet switch function that allows the LAN user side of the Ethernet ports to le...

Страница 179: ...Setup VLAN menu and its available submenus and operations described hereafter are operational only when the IP Working Mode is set as ManagedSwitch mode see Sect 6 2 1 13 3 VLAN Disabled Dis Ena Mgmt...

Страница 180: ...e from 0001 to 4095 The default is 0001 Hold down the arrow keys to quickly scroll between 0001 and 4095 CONFIG IP IP Setup VLAN VLAN Table VLAN Table View Edit Delete Add Entry The VLAN table support...

Страница 181: ...changed with ACT Edit active press ENTER to save those changes ENTER must be pressed to save the change CLEAR will discard the change You must take into consideration when editing VLAN table entries...

Страница 182: ...P1 Port1 through P4 Port4 and then use the arrow keys to set the behavior attribute for that port as Tagged Filtered or Untagged The port attribute assignment restrictions explained previously apply 4...

Страница 183: ...ned as the PVID for all ports If a port is in Access Mode Port Mode Access the behavior attribute for each port may be set as Untagged or Filtered PVIDs are automatically ENTERed into the VLAN ID Tabl...

Страница 184: ...onal IP Packet Processor card is installed and enabled L3 QoS is required to support IP Packet Processor Managed Switch Mode Press ENTER to continue CONFIG IP IP Setup QoS L2 QoS L2 QoS Off Off VLAN P...

Страница 185: ...disabled and appears as follows L3 QoS Off Fixed at Off Otherwise when the optional IP Packet Processor card is installed and enabled the L3 QoS menu appears as follows L3 QoS Off Off Max Prio MinMax...

Страница 186: ...ottom line Use the arrow keys to view the desired statistical parameter Available statistics are IP Stats Type Use to select Available Statistics Use to navigate to the bottom line and then to display...

Страница 187: ...one GMT Servers Primary Backup Use SNTP to synchronize computer clocks throughout a computer network when the ultimate performance of the full NTP implementation as per RFC 1305 Requests for Comment N...

Страница 188: ...rrow keys to change that digit On the bottom line this read only field displays the time and date that the selected server was last updated The time displays military format HH MM SS the date displays...

Страница 189: ...as LAN or WAN The LAN port receives messages from the PTP master The WAN port receives messages from the PTP master Press ENTER CONFIG IP ANT PTP Transport Unicast PTP Unicast Master 192 012 002 021 S...

Страница 190: ...NFIG IP AccessList Use this menu to restore SNMP HTTP access if your own IP Address is inadvertently excluded from the Host Access List while configuring the list through either the SNMP or Web Server...

Страница 191: ...t Processor Enabled Ena Dis Modem will auto reboot after change Use the arrow keys to select the card as Ena bled or Dis abled The default mode is Ena bled When you disable the IP Packet Processor the...

Страница 192: ...Tx Alt 1 0 Tx 1 0 Transmit an alternating 1 0 1 0 pattern Use this test mode to check the carrier suppression of the Modulator This mode forces the modulator to transmit a carrier modulated with an a...

Страница 193: ...Use this test mode to invoke a digital loopback which loops data at the output of the Reed Solomon encoder on the transmit side and back into the Reed Solomon decoder on the receive side This tests th...

Страница 194: ...CDM 425 Advanced Satellite Modem Revision 0 Front Panel Operation 6 76 MN CDM 425 Figure 6 3 Loopback Modes...

Страница 195: ...Ins Off Cnfg Rx Off Pattern 2047 Use the arrow keys to select a BERT configuration parameter and then use the arrow keys to select a parameter setting Available settings are Option Setting Tx Rx Optio...

Страница 196: ...n CnC APC is disabled this menu is inaccessible and displays the following message CnC APC is disabled 6 2 2 4 SELECT TEST Uncorrected BER Sect 6 2 1 3 4 CONFIG Tx FEC CONFIG Rx FEC Uncorrected BER 5...

Страница 197: ...vanced Satellite Modem Revision 0 Front Panel Operation 6 79 MN CDM 425 Additionally if the demodulator is in unlocked state this menu is inaccessible and displays the following message Demodulator is...

Страница 198: ...priority alarm currently active for each of the alarm types is as follows Alarm Type Description Unit PSU Power supplies 5V 12V 5V 12V etc are always monitored by an onboard supervisory ICs Tx and Rx...

Страница 199: ...n use this alarm indicates that the PMSI symbol clock is not being detected in the offline unit suggesting a possible cable fault Rx Receive Demod Lock Indicates either the demodulator or the followin...

Страница 200: ...the arrow keys to select Yes or No Press ENTER Upon selecting Clear All Yes the event log clears and the modem returns you to the previous menu However if there already are faults present on the unit...

Страница 201: ...ar All No N Y The modem calculates and then displays on the top line from left to right statistics data as follows 16 0 16 0 First the Eb No is calculated The minimum Eb No value observed in the measu...

Страница 202: ...rement interval 25 1 dB Example 2 Loss 04 5 0 0 0 0 29 0 29 0 means Loss There was a loss of demod lock during the measurement interval 04 5 Average Eb No observed in the measurement interval 4 5 dB 0...

Страница 203: ...ollows In V2 ACM Mode the modem calculates and then displays on the top line from left to right statistics data as follows Stats 116 22 0 22 0 37 37 21 9 21 6 17 11 14 11 18 44 Clear All No N Y The mo...

Страница 204: ...s that it is filling Rx Level A dBm reading indicating the signal level of the desired receive carrier in increments of 0 5 dB 6 2 3 6 Monitor RemoteEbNo The appearance of this screen varies depending...

Страница 205: ...ut power If AUPC is not enabled then the value of Tx Power Increase displays as 0 0 6 2 3 8 Monitor CnC Parameters CnC Params PwrRatio 04 1dB PSDR 01 9dB Freq offset 123 4kHz Delay 123 4ms When enable...

Страница 206: ...s will differ depending on your modem s active configuration 6 2 4 1 Info All All Start Stop Start Use this menu to scroll through and review configuration settings on a sequential basis The configura...

Страница 207: ...Inversion I Inverted on N Not inverted off Bottom line Encoder FEC type VFEC ULL VF2L VF2S Data Rate xxxxx xxx kbps an asterisk indicates that the data sense is inverted Modulation BPSK QPSK 8 QAM 16...

Страница 208: ...te xxxxx xxx kbps an asterisk indicates that the data sense is inverted Demodulation BPSK QPSK 8 QAM 16 QAM 8 ARY 16 ARY 32 ARY FEC Rate VFEC BPSK Fixed at 0 488 QPSK 0 533 0 631 0 706 0 803 8 QAM FAS...

Страница 209: ...s screen indicates whether or not EDMAC is enabled When EDMAC is enabled it displays the EDMAC Mode and Address 6 2 4 8 Info Drop Drop Type CH 1 E1 CCS TS 01 This screen displays the Drop Type and cha...

Страница 210: ...TxClk BUC CnC Buffer AGC RxAIS EbNo LNB CEX This screen displays only the alarm s that are currently masked This example shows all available parameters as present and operational For any alarm that i...

Страница 211: ...t a slot number from 0 to 9 2 Use the arrow keys to select Load and Press ENTER Modem operation then updates as per the configuration settings stored in this slot To store save a configuration setting...

Страница 212: ...NTER 6 2 6 1 Utilities Set RTC Edit Real Time Clock Time 12 01 02 Date 26 10 14 To edit the time and date settings of the Real Time Clock use the arrow keys to select a digit and then use the arrow ke...

Страница 213: ...D MetaCarrier function as Off or On After selecting On the appearance of this menu screen updates as follows CarrierID On Off On For Tx 128ksps Latitude Longitude Telephone Message Use the arrow keys...

Страница 214: ...mber on the bottom line by using the arrow keys to select an alphanumeric character space Then use the arrow keys to change that character Press ENTER The unit limits the Telephone Number to 18 alphan...

Страница 215: ...1 or 1 N Press ENTER 6 2 6 5 1 Utilities Redundancy Traffic IP Addr Range Traffic IP address Range 192 168 001 001 24 When the modem is part of a 1 1 or 1 N redundancy application use the arrow keys...

Страница 216: ...ters to compose a Circuit ID string of up to 40 characters in length or a MetaCarrier Custom Message of 24 characters or less Space 0 9 and A Z Press ENTER once you finish composing the Circuit ID str...

Страница 217: ...is screen identifies the firmware image that is loaded on startup or reboot of the Base Modem with an asterisk Use the arrow keys to select Boot Rom Image 1 Image 2 or Select Press ENTER 6 2 6 7 1 1 U...

Страница 218: ...keys to select Boot Rom Image 1 Image 2 or Select Press ENTER 6 2 6 7 2 1 Utilities Firmware Packet Processor Boot ROM Image X Bootrom DD MM YY HH MM SS FW 0021124X The example shown here is for the...

Страница 219: ...cific menu branch 6 2 8 SELECT FAST Menu Branch FAST Options Demo Mode CnC Baseboard S N 123456789 HW Rev3 0 FAST allows you to enable new options in the modem Use the arrow keys to select Options Dem...

Страница 220: ...saFEC Data Rate when configured for VersaFEC 2 CCM Symbol Rate when configured for IP ACM Symbol Rate when configured for V2 ACM Modulation 8 ARY 16 ARY 32 ARY Drop Insert 1 port D I 4 port Quad D I 7...

Страница 221: ...NTER the FAST Access Code that you have obtained from Comtech EF Data carefully using the front panel keypad or alternately the CDM 425 Web Server HTTP Interface From the CDM 425 front panel Use the a...

Страница 222: ...when Demo Mode is turned On You may turn Demo Mode on and off an unlimited number of times until the full 30 calendar days expire Upon expiration of the Demo period the following message displays FAS...

Страница 223: ...when you install a Full CnC license the screen displays no timers Note that 1 YearCounter This is the calendar year counter in seconds that resets the 90 Day Counter to 90 full days of CnC usage when...

Страница 224: ...in CnC mode This counter decrements under the following conditions o The modem has a Fractional CnC license o The modem is powered on o The modem s TX is On o The modem is in standalone mode or in 1...

Страница 225: ...and control M C purposes 7 2 Ethernet Management Interface Protocols The user PC facilitates access to Ethernet based remote M C of the CDM 425 Advanced Satellite Modem through three separately operat...

Страница 226: ...IB file ComtechEFData MIB file gives the root tree for ALL Comtech EF Data products and consists of only the following OID Name comtechEFData Type MODULE IDENTITY OID 1 3 6 1 4 1 6247 Full path iso 1...

Страница 227: ...ity default comtech For proper SNMP operation the CDM 425 Advanced Satellite Modem MIB files must be used with the associated version of the CDM 425 Advanced Satellite Modem M C Read the CDM 425 Advan...

Страница 228: ...afficAlarmV1 62471123 cdm425BUCAlarmV1 62471124 cdm425LNBAlarmV1 62471125 cdm425RedundancyStateTrapV1 62471126 cdm425FractionalCnCTrapV1 62471127 Alarms and Faults SNMPv2 notifications cdm425UnitAlarm...

Страница 229: ...dows Command line to access the Telnet Interface 1 Click Start on the Windows taskbar and then click the Run icon or depending on Windows OS versions prior to Windows 95 click the MS DOS Prompt icon f...

Страница 230: ...terminal emulation program configured as a Telnet client to view the full response messages Do these steps to configure HyperTerminal 1 Be sure to properly define the Connect To Telnet connection pro...

Страница 231: ...ine Interface CLI is accessible only when you install and enable the optional IP Packet Processor 2 The Telnet CLI uses Telnet TCP Port 107 Be sure to specify this port when configuring your terminal...

Страница 232: ...s Internet Explorer Version 9 0 or higher Comtech EF Data does not recommend setting your browser to IE7 Compatibility Mode 7 5 1 User Login Type the CDM 425 Advanced Satellite Modem s Traffic Managem...

Страница 233: ...ted you will see the HTTP Interface splash page note that the Base Modem and optional IP Packet Processor Firmware Versions listed here are subject to change See Figure 7 3 To properly access the HTTP...

Страница 234: ...ch page features one or more sections The title at the upper left corner of each page or page section describes its operational features Each section can feature editable fields action buttons and rea...

Страница 235: ...this diagram that are marked with an asterisk are selectable operational only when you activate the optional FAST feature or when you install and enable the optional IP Packet Processor card and log...

Страница 236: ...CDM 425 Advanced Satellite Modem Revision 0 Ethernet based Remote Product Management 7 12 MN CDM 425 Figure 7 2 HTTP Web Server Interface Menu Tree FW Ver 1 1 1r...

Страница 237: ...se pages is further restricted to Admin administrative users only If a user with Read Write or Read Only user access privileges attempts to select any IP Packet Processor specific page access to that...

Страница 238: ...matically reboot The HTTP Interface menu tree diagram Figure 7 2 indicates those primary and nested IP Packet Processor pages having conditional access and operation with an asterisk Further each inte...

Страница 239: ...ters Low Noise Block Down Converters Redundancy Switches etc as installed and configured for use with the modem Any such operational restrictions are noted in the subsections that follow through the r...

Страница 240: ...thernet based Remote Product Management 7 16 MN CDM 425 7 5 4 1 2 Home Contact Use the Home Contact page to view phone numbers for Sales and Support services or click on the link on the page to send a...

Страница 241: ...d Satellite Modem Revision 0 Ethernet based Remote Product Management 7 17 MN CDM 425 7 5 4 1 3 Home Support Use the Home Support page to send a problem report to the Service Department Figure 7 5 Hom...

Страница 242: ...5 7 5 4 2 Admin Tab Use the Admin tab to access the following pages Access SNMP Firmware o Base Modem o Packet Processor Reboot FAST Utilities The Admin pages are available only to users who have logg...

Страница 243: ...o SMTP Domain Destination Specify the e mail recipient name usually found to the left of the symbol in an e mail address Host Access List Access List The Access List allows a user to grant access via...

Страница 244: ...tocol as PAP Password Authentication Protocol or CHAP Challenge Handshake Authentication Protocol Primary Secondary Server IP Address Enter the pertinent Server IP Addresses in the form xxx xxx xxx xx...

Страница 245: ...Trap IP Addresses in the form xxx xxx xxx xxx Trap Version Use the drop down list to select SNMPv1 or SNMPv2 Read Community String Write Community String SNMP Contact SNMP Name SNMP Location and Trap...

Страница 246: ...d control features SNMP Access Level Use the drop down list to select Read and Write default or Read Only Click Submit Admin to save 7 5 4 2 3 Admin Firmware Chapter 4 UPDATING FIRMWARE Click the Base...

Страница 247: ...power up boot up of the unit Image 1 Image 2 These scrollable windows identify the Firmware numbers versions and release dates that comprise the aggregate image load Currently Running read only The cu...

Страница 248: ...ess pages Use this page to view the status window for the optional IP Packet Processor s currently loaded firmware and to set the firmware load preference for the IP Packet Processor upon power up reb...

Страница 249: ...of the modem The page updates to indicate the reboot in progress Depending on the number of installed hardware and firmware options it may take up to one minute for soft reboot to execute Once the sp...

Страница 250: ...unit using this page Contact Comtech EF Data Product Support to order the desired options and obtain your unique FAST Access Codes See Chapter 1 INTRODUCTION Sect 1 3 7 Fully Accessible System Topolog...

Страница 251: ...al IP Packet Processor with AES software Use the drop down list to set Demo Mode as Enabled or Disabled and then click Submit to execute the selection Equipment ID This read only section displays the...

Страница 252: ...twork for diagnostic purposes Figure 7 12 Admin Utilities Page Ping IP Address Enter the IP Address for the network device in the format XXX XXX XXX XXX Number of Pings 1 20 Specify the number of ping...

Страница 253: ...ccess all operating parameters for the CDM 425 including its ODUs Outdoor Units when connected Use the Configuration tab to access the following pages Modem LAN o IP o ARP o Port Monitoring Routing o...

Страница 254: ...duct Management 7 30 MN CDM 425 7 5 4 3 1 Configuration Modem Chapter 6 FRONT PANEL OPERATION Appendix F DOUBLETALK CARRIER IN CARRIER CNC OPTION Appendix K VERSAFEC VERSAFEC 2 ADAPTIVE CODING AND MOD...

Страница 255: ...CDM 425 Advanced Satellite Modem Revision 0 Ethernet based Remote Product Management 7 31 MN CDM 425 Figure 7 14 Configuration Modem Page IP ACM Mode...

Страница 256: ...CDM 425 Advanced Satellite Modem Revision 0 Ethernet based Remote Product Management 7 32 MN CDM 425 Figure 7 15 Configuration Modem Page VersaFEC2 ACM Mode...

Страница 257: ...parameters The page appearances changes with your selection of operating mode Figure 7 13 shows this page as it appears when any non ACM operating mode is active When IP ACM or V2 ACM is selected an...

Страница 258: ...Remote Product Management 7 34 MN CDM 425 7 5 4 3 2 Configuration LAN Click the IP ARP only after you install and enable the optional IP Packet Processor card or the Port Monitoring tab to continue C...

Страница 259: ...her Use the drop down list to select this feature as Disabled or Enabled IP Gateway applicable only in Managed Switch Mode Configure the modem s IP Address using this field Traffic Mgmt IP Address and...

Страница 260: ...ith reboot of the modem you may first need to clear the PC s ARP table Click Submit to save Per Port Configuration Set the parameters on a per port basis Port 1 through Port 4 Note the following Colum...

Страница 261: ...to save VLAN Table VLAN Entry Action Set the table entry action as None Edit Delete or Add o None No actions will be taken on the VLAN priority rule for the selected VLAN ID o Edit Click to modify an...

Страница 262: ...that is not on this network but is reachable via the IP Packet Processor Interface Use this page to configure the modem s ARP parameters Figure 7 17 Configuration LAN ARP Page ARP Table Edit This sec...

Страница 263: ...AN Port Monitoring Page Port Monitoring Port Monitoring Use the drop down list to select function as Disabled or Enabled Source Monitoring Use the drop down list to select Port 1 Port 2 Port 3 Port 4...

Страница 264: ...accessible only to Admin users and when you install and enable the optional IP Packet Processor card See Sect 7 5 3 1 for complete details about using conditional access pages Click the Routes IGMP D...

Страница 265: ...ryption FAST feature is available use the drop down list to Disable or Enable operations With AES Encryption disabled all routed traffic is transmitted in the clear regardless of the Encryption Key sp...

Страница 266: ...rop down list to select IGMPv1 IGMPv2 or IGMPv3 Last Member Query Interval This is the maximum response time inserted into group specific queries that are set in response to Leave Group messages and i...

Страница 267: ...Enter a value in seconds from 1 to 25 default 10 seconds The number of seconds assigned to the Query Response Interval must be less than the Query Interval Click Submit to save IGMP Joined Groups This...

Страница 268: ...identally being configured with the same IP Address The DHCP Relay feature allows you to deploy a single DHCP server at the hub that manages all of the devices throughout your remote networks When a d...

Страница 269: ...System caching DNS caching provides an efficient way for DNS to keep the Internet synchronized as the IP addresses of some servers change and as new servers come online Figure 7 22 Configuration Rout...

Страница 270: ...ecryption Figure 7 23 Configuration Managed Switch Page Managed Switch Configuration Header Compression When this optional feature is available use the drop down list select Header Compression as Disa...

Страница 271: ...gure 7 24 Configuration WAN QoS Page Disabled ENABLED QOS When you enable QoS the appearance of this page depends on the active mode of QoS operation The active mode appears at the upper left hand pag...

Страница 272: ...Advanced Satellite Modem Revision 0 Ethernet based Remote Product Management 7 48 MN CDM 425 Figure 7 25 Configuration WAN QoS Page Configured QoS Rules Table For the Max Priority page For the Min Ma...

Страница 273: ...rm XXX XXX XXX XXX YY Min Src Port Specifies the Minimum Source Port Max Src Port Specifies the Maximum Source Port Min Dst Port Specifies the Minimum Destination Port Max Dst Port Specifies the Maxim...

Страница 274: ...Address Mask in the form XXX XXX XXX XXX YY Min Max Src Port Selection of Source Destination Ports should only be done if you are aware of the port usage of the desired protocol or application There a...

Страница 275: ...iority 1 packets in the Queue and so on Any packet that does not meet a QoS Rule is assigned to the Default Rule and is assigned a Priority of 9 WRED Use the drop down list to set WRED Weighted Random...

Страница 276: ...duct Management 7 52 MN CDM 425 Delete All Max Pri Min Max QoS Rules Use With Caution For the Max Priority page For the Min Max page For either page use the drop down list to select Yes and then click...

Страница 277: ...ent Figure 7 26 Configuration WAN QoS Page DiffServ Mode Segmentation and Reassembly SAR This section is identical for the Max Priority Min Max and DiffServ pages Packet Segmentation and Reassembly SA...

Страница 278: ...Assured Forwarding Classes are those that are specified in the Service Rate Kbps column In Percentage mode the minimum bandwidths for all Assured Forwarding Classes are calculated as a percentage of...

Страница 279: ...s been serviced This is very handy for ACM links where the modem Tx data rate varies Drop Preferences ASFD Class 4 through 1 Code Points b100xx0 b011xx0 b010xx0 and b001xx0 carry the drop precedence v...

Страница 280: ...7 5 4 3 4 Use this Managed Switch link to enable Header and Payload Compression Router Mode Header Compression Header Comp RTP Refresh Rate Enter a time for the Real Time Protocol refresh rate from 1...

Страница 281: ...CT FAST Menus or Chapter 5 FAST ACTIVATION PROCEDURE in this manual for addtional information about activating FAST features This page allows configuration of the optional AES Encryption when this FAS...

Страница 282: ...ure itself is disabled the this page may still be used to program the Encryption and Decryption keys in anticipation of future use For situations where for example export restrictions prohibit the ava...

Страница 283: ...ammed key may be overwritten in this manner Alternately click Clear to reset a previously programmed entry to all zeroes and then re enter the new key string as instructed here Up to eight keys may be...

Страница 284: ...onfiguration Overhead Chapter 6 FRONT PANEL OPERATION Appendix F DOUBLETALK CARRIER IN CARRIER OPTION This page appearance depends on whether Carrier in Carrier Automatic Power Control CnC APC Mode is...

Страница 285: ...14 9 dB Tx Power Max Increase Use the drop down list to select a value 0 9 dB Max Pwr Reached Action Use the drop down list to select No Action or Generate Tx Alarm Rem Demod Unlock Action Use the dro...

Страница 286: ...s1 Figure 7 31 Configuration Utilities Utilities1 Page Redundancy 1 1 Tx Power Level Select Synchronized or Independent from the drop down list Click Submit to save If the unit is part of a 1 1 redund...

Страница 287: ...nal plus output G 703 Clock Extend Mode Use the drop down list to select None TxLock or RxEnable G 703 Clock Extend Interface Use the drop down list to select T1 E1Bal or E1Unbal Click Submit Clocks t...

Страница 288: ...dy in progress Save Load Save takes precedence over Load The Save Load feature stores and retrieves the CDM 425 Base Modem settings only It does not include the optional IP Packet Processor settings A...

Страница 289: ...racters You may use the following characters to compose this string Space 0 9 and A Z The MetaCarrier Custom Message as created here also appears in the title bar of compatible web browsers for easy u...

Страница 290: ...onfiguration D I Page Selected Framing Mode D I The appearance of this page is dependent on the framing mode selected on the Configuration Modem page Sect 7 5 4 3 1 See Chapter 6 FRONT PANEL OPERATION...

Страница 291: ...e available parameters adjust accordingly Click Submit to save 7 5 4 3 9 Configuration BUC Chapter 10 OUTDOOR UNIT ODU TRANSCEIVER BUC AND LNB OPERATION After configuring the CDM 425 for L Band operat...

Страница 292: ...nfiguration LNB Chapter 10 OUTDOOR UNIT ODU TRANSCEIVER BUC AND LNB OPERATION After configuring the CDM 425 for L Band operation and when a Low Noise Block Down Converter LNB is installed use this pag...

Страница 293: ...ing ANT Select the PTP or SNTP tab to continue Configuration ANT PTP Appendix I ETHERNET NETWORK CONFIGURATION All network devices between the Grandmaster and Slave devices must support PTP for sub mi...

Страница 294: ...f packets per second for messages sent from the Master to the Slave Available selections are 1 message every 2 seconds 1 message per second 2 messages per second 4 messages per second 8 messages per s...

Страница 295: ...me Zone Use the drop down list to select your desired time zone Available selections are GMT GMT 01 00 GMT 02 00 GMT 03 00 GMT 03 30 GMT 04 00 GMT 04 30 GMT 05 00 GMT 05 30 GMT 05 45 GMT 06 00 GMT 06...

Страница 296: ...tellite Modems are configurable for continuous pairing as Primary and non Primary Modems in an Antenna Handover System when the MEO feature is enabled Ethernet data traffic is transmitted and received...

Страница 297: ...pe Use the drop down list to select Break Before Make or Make Before Break Feature Use the drop down list to select Antenna Handover operation as Disabled or Enabled Mode Use the drop down list to set...

Страница 298: ...nfo Traffic Statistics or when you install and enable the optional IP Packet Processor card the Performance tab to continue 7 5 4 4 1 Status Modem Status Use this page to view read only status window...

Страница 299: ...llite Modem Revision 0 Ethernet based Remote Product Management 7 75 MN CDM 425 When an ACM mode is active the ACM section of this page appears as follows Figure 7 40 Status Modem Status Page IP ACM o...

Страница 300: ...6 FRONT PANEL OPERATION Click the Base Modem tab or when you install and enable the optional IP Packet Processor card the Packet Processor tab to continue Status Modem Logs Base Modem Use this page t...

Страница 301: ...ow Click Submit to save Statistics Log If you change your operating mode between Non ACM and ACM IP ACM or V2 ACM modes Comtech EF Data recommends that you execute the Clear Statistics Log feature bef...

Страница 302: ...te Modem Revision 0 Ethernet based Remote Product Management 7 78 MN CDM 425 Alarm Mask Use the option buttons provided to define a designated alarm as Masked or Active and then click Submit Alarm Mas...

Страница 303: ...Processor s cumulative events plus control over what information is displayed for IP Packet Processor operations Figure 7 42 Status Modem Logs Packet Processor Page Event Logging Logging On Off Select...

Страница 304: ...sequential Index number its type the date and time of occurrence and a description of the event follows Click Clear Log to wipe the log clean 7 5 4 4 3 Status Modem Info Use this page to view read on...

Страница 305: ...Management 7 81 MN CDM 425 7 5 4 4 4 Status Traffic Statistics Click the Ethernet WAN or Clear Counters tab and when you install and enable the optional IP Packet Processor card the Router Managed Sw...

Страница 306: ...atus Traffic Statistics Ethernet Use this page to view Ethernet Ingress Egress Statistics on a Per Port basis Figure 7 44 Status Traffic Statistics Ethernet Page Click Clear Statistics to clear all Et...

Страница 307: ...you install and enable the optional IP Packet Processor card See Sect 7 5 3 1 for complete details about using conditional access pages Use this page to view cumulative router traffic information Fig...

Страница 308: ...tall and enable the optional IP Packet Processor card See Sect 7 5 3 1 for complete details about using conditional access pages Use this page to view cumulative Managed Switch traffic information Fig...

Страница 309: ...e depends on whether the optional IP Packet Processor card is not installed installed but Disabled or if it is installed and enabled See Sect 7 5 3 1 for complete details about using conditional acces...

Страница 310: ...CDM 425 Advanced Satellite Modem Revision 0 Ethernet based Remote Product Management 7 86 MN CDM 425 Figure 7 48 Status Traffic Statistics WAN Page IP Packet Processor Installed...

Страница 311: ...statistics For the page with the IP Packet Processor installed WAN Counters This area shows the WAN Tx frames and the WAN Rx frames for data link and satellite WAN Tx This area shows the Data Rate an...

Страница 312: ...le the optional IP Packet Processor card See Sect 7 5 3 1 for complete details about using conditional access pages Use this page to view cumulative Header Compression and Payload Compression statisti...

Страница 313: ...n you install and enable the optional IP Packet Processor card Sect 7 5 3 1 for complete details about using conditional access pages Use this page to view cumulative Quality of Service information Fi...

Страница 314: ...N CDM 425 Status Traffic Statistics PTP Appendix I ETHERNET NETWORK CONFIGURATION Use this page to obtain data intended to troubleshoot PTP operational issues See Appendix I ETHERNET NETWORK CONFIGURA...

Страница 315: ...s Slave when Grandmaster is set to LAN port using the Configuration ANT PTP page see Sect 7 5 4 3 11 1 The State displays as Master when Grandmaster is set to WAN port using the Configuration ANT PTP...

Страница 316: ...er PTP device Delay Req Number of Delay Request messages transmitted received from a slave device Delay Resp Number of Delay Response messages sent to a slave device Mgmt Number of PTP management mess...

Страница 317: ...le Page MAC Table Click Refresh to update the page with the latest discovered MAC Addresses From left to right note the following Column Description MAC The MAC Address of the device on LAN WAN DBNum...

Страница 318: ...cs Clear Counters Use this page to clear and reset the counters for all Traffic Statistics pages Ethernet and when applicable Router Managed Switch WAN Compression QoS and PTP Figure 7 53 Status Traff...

Страница 319: ...ntinue Status Performance Performance Use this page to view a tabulated snapshot of the CDM 425 performance statistics Figure 7 54 Status Performance Performance Page CPU Usage Component CPU Descripti...

Страница 320: ...time increments Click Add Big to display a line graph with an extended scale Y axis Click Add Small to display a line graph with a compressed scale Y axis For either line graph use the component check...

Страница 321: ...1 After enabling ODU Comms and configuring the CDM 425 for 70 140 MHz operation you may use the ODU Outdoor Unit pages to control and monitor the CSAT 5060 or KST 2000A B Outdoor Unit that is connecte...

Страница 322: ...CDM 425 Advanced Satellite Modem Revision 0 Ethernet based Remote Product Management 7 98 MN CDM 425 Figure 7 58 ODU Status Page Figure 7 59 ODU Utilities Page...

Страница 323: ...1 N Redundancy is supported using a CRS 300 1 10 Redundancy Switch or a CRS 500 M N Redundancy System in 1 N mode based on the following criteria Redundancy Device Packet Processor Terrestrial Interf...

Страница 324: ...ct them to a CRS 170A L Band or CRS 180 70 140 MHz 1 1 Redundancy Switch there is no need to use the drop down list here as the modem automatically enables the IP Packet Processor Redundancy If it is...

Страница 325: ...and protocol explained later in this appendix 8 2 EIA 485 For applications where multiple devices are to be monitored and controlled a full duplex or 4 wire plus ground EIA 485 is preferred Half duple...

Страница 326: ...und connection Controller to Target data is carried via EIA 232 electrical levels on one conductor and Target to Controller data is carried in the other direction on the other conductor 8 4 Basic Prot...

Страница 327: ...owledge reception of an instruction to change the configuration of the Target Controller to Target Start of Packet Target Address Address Delimiter Instruction Code Code Qualifier Optional Arguments E...

Страница 328: ...panel keypad The Controller sends a packet with the address of a Target the destination of the packet When the Target responds the address used is the same address to indicate to the Controller the s...

Страница 329: ...the Transmit frequency the Target would respond with TFQ xxxx xxxx where xxxx xxxx represents the frequency in question b If the Controller sends an instruction to set a parameter to a particular val...

Страница 330: ...y for further comms ASCI code 94 If the Controller sends a correctly formatted command BUT the modem is in Ethernet Remote mode it will not allow reconfiguration and will respond with TFQ 8 4 1 6 Opti...

Страница 331: ...PAGE CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE APP X X 8 15 TCI X X 8 16 TFQ X X 8 13 TMI X 8 17 TSR X X 8 13 AUP X X 8 15 TCK X X 8 16 TFT X X 8 11 TMR X X 8 13 TTA X X 8 16 DTS X X 8 1...

Страница 332: ...8 28 BKE X X 8 35 DAY X X 8 25 LNG X X 8 38 PMS X X 8 39 TBP X X 8 34 BRE X 8 35 DMM X X 8 36 LRS X X 8 25 PTS X X 8 39 TIM X X 8 25 BRM X 8 35 DMT X 8 36 MAC X 8 32 PTU X X 8 39 TPB X X 8 37 BRR X 8...

Страница 333: ...C Q PAGE CODE C Q PAGE BAD X X 8 58 BDC X 8 58 BOE X X 8 58 BPC X 8 59 BUT X 8 59 BCH X X 8 58 BDV X 8 58 BOL X 8 58 BPS X X 8 58 BCL X X 8 58 BFR X X 8 58 BPA X 8 59 BSV X 8 59 Sect 8 5 9 LNB Paramet...

Страница 334: ...ry Sets or returns Tx Interface Type in the form x where 0 RS422 1 V 35 2 Reserved 3 Balanced G 703 4 Unbalanced G 703 5 Reserved 6 Reserved 7 Reserved 8 IP 9 Reserved A IP ACM Unframed EDMACs only B...

Страница 335: ...MD 1 byte 0 1 or 4 thru 8 Command or Query Query only in ACM Sets or returns Tx Modulation Type in the form x where 0 BPSK 1 QPSK 2 Reserved 3 Reserved 4 16 QAM VersaFEC only 5 8 QAM VersaFEC only Nee...

Страница 336: ...K 0 734 V VersaFEC 2 ModCod 0 BPSK 0 489 W VersaFEC 2 ModCod 1 QPSK 0 489 X VersaFEC 2 ModCod 2 QPSK 0 537 Y VersaFEC 2 ModCod 3 QPSK 0 586 Z VersaFEC 2 ModCod 4 QPSK 0 611 a VersaFEC 2 ModCod 5 QPSK...

Страница 337: ...if Modulation Type is a Reserved type EXAMPLE 0 TDR 02047 999 selects 2047 999 kbps TDR TDR TDR TDR TDR TDR xxxxx xxx see Description of Arguments Tx Symbol Rate TSR 9 bytes numeric Query only Command...

Страница 338: ...SI TSI x see Description of Arguments Tx Scrambler TSC 1 byte 0 thru 2 Command or Query Sets or returns Tx Scrambler State in the form x where 0 Off 1 Normal 2 IESS 315 NOTE When CnC mode is ON Tx Scr...

Страница 339: ...ctor in the form x where 0 0 35 1 0 25 2 0 20 3 0 15 4 0 10 5 0 05 EXAMPLE 0 TXA 0 Tx filter rolloff factor is 0 35 TXA TXA TXA TXA TXA x see Description of Arguments Power Level Mode was AUPC Enable...

Страница 340: ...Level Increase N A 3 bytes Query only Returns the increase in Tx power level in dB from the nominal setting due to the action of AUPC Responds x x if AUPC is disabled EXAMPLE 0 PLI 0 PLI 2 3 N A PLI...

Страница 341: ...TX LO Frequency TLO 6 bytes Command or Query Sets or returns Tx LO frequency information in the form xxxxxs where xxxxx LO frequency in MHz from 3000 thru 65000 or 00000 OFF s sign for the MIX or NOT...

Страница 342: ...A B Command or Query Sets or returns Rx Interface Type in the form x where 0 RS422 1 V 35 2 Reserved 3 Balanced G 703 4 Unbalanced G 703 5 Reserved 6 Reserved 7 Reserved 8 IP 9 Reserved A IP ACM B Ver...

Страница 343: ...ru 8 Command or Query Query only in ACM Sets or returns Rx Demodulation in the form x where 0 BPSK 1 QPSK 2 Reserved 3 Reserved 4 16 QAM VersaFEC only 5 8 QAM VersaFEC only Need FAST option 6 8 ARY Ve...

Страница 344: ...ModCod 0 BPSK 0 489 W VersaFEC 2 ModCod 1 QPSK 0 489 X VersaFEC 2 ModCod 2 QPSK 0 537 Y VersaFEC 2 ModCod 3 QPSK 0 586 Z VersaFEC 2 ModCod 4 QPSK 0 611 a VersaFEC 2 ModCod 5 QPSK 0 635 b VersaFEC 2 Mo...

Страница 345: ...Aux rates are IDI DDO 4 These Aux rates are not available with D I RDR RDR RDR RDR RDR RDR xxxxx xxx see Description of Arguments Rx Symbol Rate RSR 9 bytes numeric Query only Command or Query in IP...

Страница 346: ...1 Command or Query Sets or returns Rx Descrambler state in the form x where 0 Off 1 Normal 2 IESS 315 EXAMPLE 0 RDS 1 Scrambler On RDS RDS RDS RDS RDS RDS x see Description of Arguments Rx Demod Acqui...

Страница 347: ...form x where 0 Disables the alarm 1 Enables the alarm EXAMPLE 0 RTE 0 disables the alarm RTE RTE RTE RTE RTE RTE x see Description of Arguments Insert Type ITY 1 byte 0 thru 3 Command or Query INSERT...

Страница 348: ...turns Rx Terminal Frequency the frequency in MHz being received from the satellite in the form xxxxx xxxx Resolution 100 Hz NOTES 1 For additional information see Chapter 6 for LO MIX and Spectrum Set...

Страница 349: ...1 currently active 2 Bulk Image 2 currently active IMG IMG IMG IMG IMG IMG x see Description of Arguments Circuit ID String CID 40bytes Command or Query Sets or returns the user defined Circuit ID str...

Страница 350: ...1byte 0thru 6 Command or Query Sets or returns the External Frequency Reference in the form x where 0 Internal 10MHz DEFAULT 1 External 1 MHz 2 External 2 MHz 3 External 5 MHz 4 External 10 MHz 5 spa...

Страница 351: ...ence alarm l Tx Clock Alarm m CnC Lock Alarm x spare Value of each mask 0 unmasked 1 masked EXAMPLE 0 MSK 0101100000000 MSK MSK MSK MSK MSK MSK abcdefghjklmx see Description of Arguments Attach summar...

Страница 352: ...events the remaining positions are padded with zeros 2 If there are no new events the response is RNE N A RNE RNE CR ABCddmm yyhhmmss CR ABCd dmmyyhhmmss CR A BCddmmyyhhmmss CR ABCddmmyyhhm mss CR AB...

Страница 353: ...ges in hex format during sample period ddmmyy date stamp hhmmss time stamp In VersaFEC 2 ACM mode the statistics sub body is defined as AA ABB BCC DD ddmmyyhhmmss where AA A Minimum SNR during sample...

Страница 354: ...Rx ModCod changes in hex format during sample period EE E Negative value of Minimum Rx Signal Level RSL in dB during sample period FF F Negative value of Average Rx Signal Level RSL in dB during samp...

Страница 355: ...1 Command or Query Enables or disables communications via the FSK link with a Comtech EF Data transceiver ODU in the form x where 0 Disabled 1 Enabled ODU ODU ODU ODU ODU ODU x see Description of Argu...

Страница 356: ...006B00001C2 N A MAC MAC aabbccddeeff see Description of Arguments Request to Send RTS 1byte 0thru 2 Command or Query Sets or returns how RTS CTS operates at the main data interface in the form x where...

Страница 357: ...Use APC command to suspend or activate CNM CNM CNM CNM CNM CNM x see Description of Arguments DoubleTalk Carrier in Carrier CnC PMSI Mode CPM 1byte 0thru 3 Command or Query CnC parameter Sets or retu...

Страница 358: ...3 only 0 None is allowed If Tx clock TCK is not Internal 1 TxLock is not allowed CEX CEX CEX CEX CEX CEX ab see Description of Arguments Tx BERT State BTX 1byte 0or1 Command or Query Sets or returns T...

Страница 359: ...of Arguments BERT Restart Monitor BRM None Command only This command takes no arguments Forces restart of the BERT monitor EXAMPLE 0 BRM BRM N A N A BERTResult in biterrors N A 7bytes numeric Query o...

Страница 360: ...n of Arguments Forced Reboot FRB None Command only This command takes no arguments Forces a hard reset of the unit after 5 seconds FRB FRB FRB FRB N A N A Carrier ID State CAI 1 byte 0 or 1 Command or...

Страница 361: ...PE TPE TPE x see Description of Arguments Primary Ethernet Time Server TPS 15 bytes Command or Query Sets or returns the Primary Ethernet Time Server IP Address for the Unit Tx Ethernet management por...

Страница 362: ...ee Description of Arguments Radius Client RAE 1byte 0 or 1 Command or Query Sets or returns the RADIUS Client in the form x where 0 Disabled 1 Enabled EXAMPLE 0 RAE 0 NOTE Parameter available only thr...

Страница 363: ...on Time Protocol Unicast Master PTS 15bytes Command or Query Sets or returns the PTP Unicast Master IP Address in the form xxx xxx xxx xxx PTS PTS PTS PTS PTS PTS xxx xxx xxx xxx see Description of Ar...

Страница 364: ...oring Direction PMI 1byte Command or Query Sets or returns the port monitoring direction in the form x where 1 Ingress Rx 2 Egress Tx 3 Both Rx and Tx EXAMPLE 0 PMI 1 PMI PMI PMI PMI PMI PMI x see Des...

Страница 365: ...r Command Instruction Qualifier Length of Arguments Description of Arguments Response to Command Query Instruction Qualifier Response to Query 27 GMT 07 00 28 GMT 08 00 29 GMT 09 00 30 GMT 09 30 31 GM...

Страница 366: ...XRMVSPP P Baaa aaCXIKNZffff ffffd dddd dddgxrmvswwwcll lbbbbbiknzOEEEETeee eeeeeeeeeeWALQUxxx xxxxxxxxxxxxxabxxefAB CCDDmMATrrrrr rrrssss s sssxgkpxxxxttuuu uuu uuu uuu uuvvv vvv vvv v vvwGHIJKwAAABBB...

Страница 367: ...C Tx Sub Mux Ratio DD RX Sub Mux Ratio mMAT rrrrr rrr TX Symbol Rate sssss sss RX Symbol Rate x 1 spare byte g RTS CTS setting k Rx Equalizer Enable p Power On Carrier Off Enable xxxx 4 spare bytes tt...

Страница 368: ...ations of two port speed A 00 B 01 C 02 D 03 E 04 F 10 G 11 H 12 I 13 J 14 K 20 L 21 M 22 N 23 O 24 P 30 Q 31 R 32 S 33 T 34 U 40 V 41 W 42 X 43 Y 44 EXAMPLE BN is converted to 0123 that means Port 1...

Страница 369: ...n channels cannot be programmed i e FIXED CHANNEL MODE The DNI response will display all x in the time slot positions DNI DNI DNI DNI DNI DNI n where n 0 thru 9 Returns the DNI portion of 1 of 10 stor...

Страница 370: ...IJKLMNOPQRSTUV031123456789ABCDEFGHIJKLMNOPQRSTUV0 0000 Port 1 s Drop and Insert channels 1 31 each using timeslots 1 31 E1 clock mode is asynchronous Read Write using Port 1 string EXAMPLE 2 QDI 30412...

Страница 371: ...d eeffffffggggghhh where a LRS response b RED response cccc EBN response ddddd BER response eeeee BFS Response ffffff RFO response ggggg RSL response hhh TMP response NOTE This command is intended to...

Страница 372: ...2 3 1 15 04 13 FW 0021102 1 1 1 08 09 17 FW 0021101 1 1 3 05 09 17 FW 0000516 1 1 1 19 01 11 N A FRW B FRW 1 FRW 2 FRW xxx xxx see Description of Arguments Serial Number N A 9 bytes Query only Return...

Страница 373: ...irmware FAST options J Frequency option where 0 L Band 1 70 140MHz L Band K Modulation option where 0 Standard BPSK QPSK 1 Standard plus 8 ARY 3 Standard plus 8 ARY and 16 ARY 7 Standard plus 8 ARY 16...

Страница 374: ...er Compression where 0 None 1 up to 5 Mbps 2000ksps ACM 2 up to 10 Mbps 4100ksps ACM 3 up to 15 Mbps 8000ksps ACM 4 up to 20 Mbps 12500ksps ACM 5 up to 25 Mbps 12500ksps ACM W Payload Compression wher...

Страница 375: ...Arguments Response to Command Query Instruction Qualifier Response to Query Equipment ID cont d VersaFEC 2 ACM symbol rate option where 0 Base up to 1200ksps 1 up to 2000ksps 2 up to 4100ksps 3 up to...

Страница 376: ...RSW EXAMPLE 0 RFO 0 RFO 002 3 indicates 2 3 kHz N A RFO RFO sxxx x See Description of Arguments Buffer Fill State N A 2bytes numeric Query only Returns the value of the buffer fill state in the for xx...

Страница 377: ...t up No_Comms Indicates that a 1kHz signal has been detected but that there is no or not yet a response for the modem abcdefgh00 The FLT response information from the offline CDM 425 unit N A OUS OUS...

Страница 378: ...valid in Clock Extend Mode 8 CnC APC home state 9 PMSI Sym Clock Fail c Rx Traffic status 0 Rx Traffic OK 1 Demodulator unlocked 2 AGC Alarm signal out of range 3 Demux Lock Frame SYNC 4 CnC Lock 5 Bu...

Страница 379: ...9 9 not locked or CnC not enabled N A CFM CFM xxxx x see Description of Arguments CnC Power Ratio Monitor N A 6bytes Query only When CnC is enabled and the modem is locked ratio in dB between the inte...

Страница 380: ...urn value is in form xx where 00 APC is not active 01 No Solution 02 OK ReBalance Done 03 OK Partial CnC Ratio approaches limit 04 OK Partial Local power approaches miminum value 25 dBm for IF band 05...

Страница 381: ...se in 0 1 dB ddd APC Tx power threshold in 0 1 dB minus sign assumed EXAMPLE 0 AHS 1 100 60 085 APC is active home state power is 10 0 dB home state max power level increase is 6 0 dB power threshold...

Страница 382: ...xxxx where xxxx Value in 100 mA increments from 0000 thru 4000 mA BCH BCH BCH BCH BCH BCH xxxx see Description of Arguments BUC Address BAD 1 byte 1 thru 15 Command or Query Sets or returns BUC Addres...

Страница 383: ...ock Loop N A 1 byte 0 or 1 Query only Returns BUC phase lock loop in the form x where 0 Locked 1 Unlocked NOTE This query is only valid when the FSK is enabled N A BPA BPA x see Description of Argumen...

Страница 384: ...ference 1 Enable LNB Reference LNR LNR LNR LNR LNR LNR x see Description of Arguments LNB Low Current Limit LNL 3 bytes numeric Command or Query Sets or returns LNB Low Current Limit in the form xxx w...

Страница 385: ...ription of Arguments Ethernet Global Configuration EGC Up to 347 bytes Command or Query Sets or returns Global Configuration of CDM 425 Ethernet in the form shown in the Response to Query column where...

Страница 386: ...s all entries in the VLAN table in the form aaaabcde aaaabcde aaaabcde where aaaa VLAN ID Value range 0001 4095 must not be duplicate of any PVID b property of port 1 0 Tagged 1 Filtered 2 Untagged c...

Страница 387: ...tion card installed and enabled QOS QOS QOS QOS QOS QOS ab see Description of Arguments Switch Ports Configuration SPC 47 bytes Command or Query Sets or returns Ethernet switch ports priority and PVID...

Страница 388: ...Access List function in the form x where 0 Host Access List is Disabled 1 Host Access List is Enabled ACL ACL ACL ACL ACL ACL x see Description of Arguments Packet Processor Redundancy PRD 1 byte 0 or...

Страница 389: ...se to Query Packet Processor Image2 FW Version N A None Query only Valid only when Packet Processor is installed and Enabled Returns Packet Processor Image 2 firmware version N A VS2 VS2 x x is variab...

Страница 390: ...CDM 425 Advanced Satellite Modem Revision 0 Serial Remote Control 8 66 MN CDM 425 BLANK PAGE...

Страница 391: ...ng and control of the unit using a user supplied terminal emulator e g PuTTY or Tera Term 9 1 1 Interface Access Any changes made to the modem that are not saved to permanent storage during the active...

Страница 392: ...the preferred terminal emulators Use of the HyperTerminal terminal emulator is not supported or recommended The numeric keypad s ENTER key may not work on some terminal emulators 9 1 2 1 PuTTY Termin...

Страница 393: ...lt Username is comtech The default Password is comtech The Telnet CLI Home menu should now be accessible 1 In order to use the Telnet CLI to make configuration changes to the modem Remote Access Mode...

Страница 394: ...ne Interface CLI Operation 9 4 MN CDM 425 9 1 2 2 Tera Term Terminal Emulator First define your Telnet session connection Select TCP IP For Host enter the interface IP Address e g 192 168 1 11 For Ser...

Страница 395: ...Tera Term requires the following settings on the Setup Terminal page For New Line Receive use the drop down list to select CR For New Line Transmit use the drop down list to select CR LF Finally log...

Страница 396: ...n 0 Telnet Command Line Interface CLI Operation 9 6 MN CDM 425 The Telnet CLI Home menu should now be accessible In order to use the Telnet CLI to make configuration changes to the CDM 425 Remote Acce...

Страница 397: ...tions e g Carrier in Carrier are functional only when that FAST feature has been purchased and enabled for operation This chapter documents the CLI as if all available options are installed your confi...

Страница 398: ...LAN Table Sect 9 3 4 4 1 F10 Exit Press F10 to end the CLI session and close the terminal emulator window F11 Delete Press F11 to delete an existing index from a table e g VLAN Table Sect 9 3 4 4 1 1...

Страница 399: ...of range Re enter a new value in this example a value within the acceptable ranges of 0 and 8 32 and then press ENTER to continue Otherwise press ESC to quit the dialog window and return to the confi...

Страница 400: ...tion window to review or make further changes 5 For any page where the content exceeds the defined window height a scroll bar appears on the right hand side of the page Use the arrow keys within the w...

Страница 401: ...tion submenu 9 3 5 E Outdoor Unit ODU Access ODU comms CSAT 5060 configuration submenus summary only 9 3 6 F Redundancy Access 1 1 or 1 N redundancy configuration submenu 9 3 7 G General Information E...

Страница 402: ...select the Remote Mode as Ethernet and press ENTER to accept the selection Finally press F8 to save to memory Note the following Remote Mode Selection Function Local Configuration using Front Panel o...

Страница 403: ...Firmware Packet Processor View Packet Processor firmware information or select image load 9 3 2 3 E Reboot Reboot the CDM 425 9 3 2 4 F FAST Options Set the FAST Feature Demo Mode or view currently in...

Страница 404: ...ss in the form XXX XXX XXX XXX D Access IP 1 Access Network Prefix Typical for each entry Enter a value as follows Range 1 Enter a value of 0 Range 2 Enter a value from 8 to 32 E Access IP 2 Access IP...

Страница 405: ...lue of 0 Range 2 Enter a value from 8 to 32 K Access IP 4 Access IP List Entry Enable Typical for each entry Use arrow keys to set each list as Enabled or Disabled Be sure to include your system s IP...

Страница 406: ...for each entry Enter the desired designations D Enable Authentication Traps Use the arrow keys to select Enabled or Disabled E SNMP Trap Destination IP Address 1 Typical for either entry Enter either...

Страница 407: ...CDM 425 Advanced Satellite Modem Revision 0 Telnet Command Line Interface CLI Operation 9 17 MN CDM 425 9 3 2 3 Home Administration Firmware Base Modem or Packet Processor...

Страница 408: ...irmware information or to select the alternate firmware image to be loaded at startup or reboot Both pages contain the following option Hot Key Dialog Window Option Entry A Boot From Use the arrow key...

Страница 409: ...pen the Reboot page from the Administration submenu Use this page to perform a soft reboot of the CDM 425 Otherwise press ESC to return to the Administration submenu Hot Key Dialog Window Option Entry...

Страница 410: ...Chapter 6 FRONT PANEL OPERATION Sect 6 2 8 SELECT FAST Menus Hot Key Dialog Window Option Entry A Demo Mode Use the arrow keys to set Demo Mode as Disabled default or Enabled 1 If Enabled the CDM 425...

Страница 411: ...0 modem configurations Press A to open the Save to Slot or Load from Slot dialog window Otherwise press ESC to return to the Administration submenu Each modem configuration is stored in an assigned sl...

Страница 412: ...n Finally press F8 to save store the configuration Wait while the configuration is stored into memory Once a modem configuration is stored into the designated slot the time and date are recorded and t...

Страница 413: ...tings to the original settings as shipped from the factory Hot Key Dialog Window Option Entry A Restore Factory Defaults Use the arrow keys to set as Cancel default or Restore Press A to open the Rest...

Страница 414: ...Configure the unit s Rx parameters 9 3 3 3 D Carrier in Carrier CnC Configure CnC FAST Option 9 3 3 4 E Adaptive Coding and Modulation ACM Configure ACM FAST Option ACM menu inaccessible when interfa...

Страница 415: ...rted in FW Ver 1 1 1 Its hot key and nested screen while selectable and viewable are NON FUNCTIONAL at this time 9 3 3 10 K Utilities Configure and monitor a variety of unit operational settings 9 3 3...

Страница 416: ...G 703B Balanced G 703U Unbalanced IP IP ACM RS422 V2 ACM VersaFEC 2 V 35 B Tx Framing Mode Use the arrow keys to select None D I D I QDI Framed QDI D I Enhanced EDMAC EDMAC 2 EDMAC 3 C Rx Interface Ty...

Страница 417: ...AST option 16 ARY FAST option 32 ARY FAST option RO Tx FEC Code Rate This read only entry displays the Tx FEC Code Rate See the table provided in Sect 6 2 1 3 5 CONFIG Tx Mod Chapter 6 FRONT PANEL OPE...

Страница 418: ...ff On RTI 10 s timeout Off External Off BUC delay RTI 1 s timeout RTI 2 s timeout RTI 4 s timeout RTI 7 s timeout N POCO Use the arrow keys to select Disabled or Enabled RO Tx Submux This read only en...

Страница 419: ...RO Rx Demod Type This read only entry displays VFEC BPSK QPSK 8 QAM FAST option 16 QAM FAST option ULL BPSK QPSK VF2L or VF2S BPSK QPSK 8 ARY FAST option 16 ARY FAST option 32 ARY FAST option RO Rx F...

Страница 420: ...r a value from 1 to 200 kHz I Rx Data Invert Typical for either entry Use the arrow keys to select Normal or Inverted J Rx Data Clock Invert K Rx Ternary Code Use the arrow keys to select AMI B8zs B6z...

Страница 421: ...se the arrow keys to select Off On Normal APC CBand Side A APC XBand Side A APC KuBand Side A APC KaBand Side A APC CBand Side B APC XBand Side B APC KuBand Side B APC KaBand Side B B CnC Search Min D...

Страница 422: ...or the Minimum and Maximum Tx ModCod settings This submenu contains the following options Hot Key Dialog Window Option Entry A ACM Min Tx Mod Cod Enter a minimum value from 0 to 11 B ACM Max Tx Mod Co...

Страница 423: ...e for the Maximum Tx ModCod settings This submenu contains the following options Hot Key Dialog Window Option Entry A ACM Max Tx Mod Cod Enter a maximum value from 0 to 37 B ACM Action on Remote Demod...

Страница 424: ...y Dialog Window Option Entry A Drop Type Typical for either entry Use the arrow keys to select T1D4 T1 ESF E1 CCS or E1CAS B Insert Type C Tx Terrestrial Alarm Mask Use the arrow keys to select Alarm...

Страница 425: ...a new value and then press ENTER to accept the change or ESC to return to the D I page Hot Key E D I Table The D I Table dialog window shows the current value for the table To edit the table value pre...

Страница 426: ...SECT 8 5 5 Bulk Configuration Strings Refer to this section for correct syntax see the DNI Command Query Description of Arguments column Hot Key G D I Quad Table The D I Quad Table dialog window show...

Страница 427: ...r Enable B BUC 10 MHz Reference Use the arrow keys to select Off or On C BUC RF Output Use the arrow keys to select Off or On D BUC Low Current Limit Enter a low limit value from 0 to 4000 mA E BUC Hi...

Страница 428: ...r Use the arrow keys to select Off On 13V On 18V or On 24V B LNB 10 MHz Reference Use the arrow keys to select Disable or Enable C LNB Low Current Limit Enter a low limit value from 0 to 500 mA D LNB...

Страница 429: ...ct Disable or Enable B Antenna Handover Enable Use the arrow keys to select Disable or Enable C Antenna Handover Mode Use the arrow keys to select Manual or Auto D Antenna Handover DPD Use the arrow k...

Страница 430: ...CDM 425 Advanced Satellite Modem Revision 0 Telnet Command Line Interface CLI Operation 9 40 MN CDM 425 9 3 3 11 Home Modem Utilities Appendix D CARRIER ID DVB CID METACARRIER...

Страница 431: ...e Degrees J Carrier ID Longitude Minutes K Carrier ID Longitude Direction Use the arrow keys to select East or West L Carrier ID Phone Number M Carrier ID Message N RTC Time Enter a value in the form...

Страница 432: ...Pattern Mark BERT Pattern 11 BERT Pattern 12 BERT Pattern 63 BERT Pattern 511 1 BERT Rx Pattern BERT Pattern 2047 BERT Pattern 2047 R BERT Pattern MIL188 BERT Pattern 2 15 BERT Pattern 2 20 BERT Patte...

Страница 433: ...is read only entry displays the AUPC ACM Mode C AUPC ACM Tx Power Max Increase Enter a value from 0 to 9 dB E AUPC Action On Max Power Use the arrow keys to select No Action Generate Tx Alarm Max Powe...

Страница 434: ...2 C LAN ARP Configure LAN ARP operation and table entries 9 3 4 3 D VLAN Configure VLAN operation and table entries 9 3 4 4 E Routes Enter static routes into the IP Packet Processor to route IP traffi...

Страница 435: ...l feature 9 3 4 10 K SNTP Configure use of SNTP Simple Network Time Protocol feature set RTC Real Time Clock time and date 9 3 4 11 L MAC Table View the MAC Addresses that the modem has discovered on...

Страница 436: ...MN CDM 425 9 3 4 1 Home Network Ethernet Ports Open the scrollable Ethernet Ports page from the Network submenu This page lists the current configuration settings for Ethernet Ports 1 through 4 Use t...

Страница 437: ...ing options Hot Key Dialog Window Option Entry A Ethernet Ports Speed Use the arrow keys to select Auto Full 100 Mbps Half 100 Mbps Full 10 Mbps Half 10 Mbps B Ethernet Ports Pause Flow Control Use th...

Страница 438: ...ix Enter a value from 8 to 30 E Switch MAC Learning Use the arrow keys to select Off or On F L2 QoS Use the arrow keys to select Off VLAN Prio Only Port Prio Only or VLAN and Port Prio G L3 QoS Use th...

Страница 439: ...om the Network submenu This page contains the following options Hot Key Dialog Window Option Entry A ARP Table Use the arrow keys to select a table see Sect 9 3 4 3 1 B Flush Dynamic ARP Entries Use t...

Страница 440: ...g ARP Entry 1 and press ENTER to view in a standalone window a specific ARP Entry page as shown in this example This window displays the ARP Type for the specific ARP Entry It contains the following...

Страница 441: ...s submenu contains the following options Hot Key Dialog Window Option Entry A VLAN Table Use the arrow keys to select a table see Sect 9 3 4 3 1 B VLAN Mode Enable Use the arrow keys to select Disable...

Страница 442: ...tandalone window a specific VLAN page as shown in this example Each available VLAN page contains the following options Hot Key Dialog Window Option Entry A VLAN Entry VID Enter a value from 1 to 4095...

Страница 443: ...from the Network submenu This page contains the following options Hot Key Dialog Window Option Entry A Route Table Use the arrow keys to select an index see Sect 9 3 4 5 1 B Delete All Route Entries...

Страница 444: ...ey Dialog Window Option Entry A Route Description Enter a description here B Route Destination Address Mask Enter an IP Address Range in the form XXX XXX XXX XXX XX C Route Interface Use the arrow key...

Страница 445: ...ions Hot Key Dialog Window Option Entry A Header Compression Use the arrow keys to select Disable Layer 2 Only or Layer 2 and 3 B Payload Compression Use the arrow keys to select Disable or Enable RO...

Страница 446: ...indow displays the message No IGMP Groups B Multicast Traffic Lists the Multicast Routes that are active on the modem If none exist this window displays the message No IGMP Multicast Entries C IGMP Ve...

Страница 447: ...Caching page from the Network submenu This page contains the following options Hot Key Dialog Window Option Entry A DNS Caching Feature Use the arrow keys to select Disable or Enable B DNS Caching Fl...

Страница 448: ...Relay page from the Network submenu This page contains the following options Hot Key Dialog Window Option Entry A DHCP Relay Feature Use the arrow keys to select Disable or Enable B DHCP Relay IP Addr...

Страница 449: ...Open the PTP page from the Network submenu This page contains the following options Hot Key Dialog Window Option Entry A PTP Feature Use the arrow keys to select Disable or Enable B PTP Grandmaster Us...

Страница 450: ...an IP Address in the form XXX XXX XXX XXX C SNTP Backup Server R O SNTP Primary Last Update This read only entry displays the date timestamp of the last update otherwise if no updates have occurred th...

Страница 451: ...le Open the MAC Table page from the Network submenu Use this page to review status information on the recognized MAC Addresses Use the arrow keys to scroll through the available indices You may also p...

Страница 452: ...nfiguration Page Function Sect A QoS Configure Quality of Service operation 0 B Compression Configure Router Mode compression refresh rates 9 3 5 2 C Encryption Configure Managed Switch Mode Encryptio...

Страница 453: ...to DiffServ This submenu contains the following options Hot Key Dialog Window Option Entry A QoS Max Pri Min Max Table visible only when Advanced QoS mode is set to Max Priority or Min Max See Sect 9...

Страница 454: ...Pri Min Max Table Open the scrollable QoS Table Max Pri Min Max Table from the QoS submenu Use the arrow keys to scroll through the available entries You may also select a header e g Index 1 and press...

Страница 455: ...a value from 0 to 100000000 Kbps D AF3 Service Rate G AF2 Service Rate J AF1 Service Rate B AF4 Medium Drop Precedence Level Typical for each entry Enter a value from 20 to 90 E AF3 Medium Drop Prece...

Страница 456: ...ontains the following options Hot Key Dialog Window Option Entry A Header Comp RTP Refresh Rate Enter a value from 1 to 600 B Header Comp UDP Refresh Rate Enter a value from 1 to 600 C Header Comp Def...

Страница 457: ...ncrypted Rx Use the arrow keys to select Drop or Allow B Encryption Feature Use the arrow keys to select Disable or Enable C Encryption Key Select Use the arrow keys to select Key1 through Key8 or Ran...

Страница 458: ...ion 9 68 MN CDM 425 Hot Key Dialog Window Option Entry K Encryption Key 8 L Decryption Key 1 Typical for each key entry Enter a 32 character decryption code M Decryption Key 2 N Decryption Key 3 Press...

Страница 459: ...may use the Telnet CLI ODU Outdoor Unit submenus and pages to control and monitor a CSAT 5060 Outdoor Unit that is connected via FSK to the CDM 425 2 Comtech EF Data KST 2000A B Transceivers and LPOD...

Страница 460: ...follows Hot Key Dialog Window Option Entry A Traffic IP Address Enter an IP address in the form XXX XXX XXX XXX B Traffic IP Network Prefix Enter a value from 8 to 30 C Redundancy 1 for N Mode Use th...

Страница 461: ...submenu contains the following options Hot Key Information Page Sect A Modem Status 9 3 8 1 B Modem Information 9 3 8 2 C MAC Table 9 3 8 3 D Block Upconverter BUC 9 3 8 4 E Low Noise Block Downconve...

Страница 462: ...M 425 Advanced Satellite Modem Revision 0 Telnet Command Line Interface CLI Operation 9 72 MN CDM 425 9 3 8 1 Home General Information Modem Status Press ESC to return to the General Information subme...

Страница 463: ...ation Modem Information Open the Modem Information page from the General Information submenu This page contains the following option Hot Key Dialog Window Option Entry A Circuit ID Enter an identifyin...

Страница 464: ...DM 425 Advanced Satellite Modem Revision 0 Telnet Command Line Interface CLI Operation 9 74 MN CDM 425 9 3 8 3 Home General Information MAC Table Press ESC to return to the General Information submenu...

Страница 465: ...rface CLI Operation 9 75 MN CDM 425 9 3 8 4 Home General Information Block Upconverter BUC Press ESC to return to the General Information submenu 9 3 8 5 Home General Information Low Noise Block Downc...

Страница 466: ...Home Logs Open the Logs submenu from the Home menu This page contains the following options Hot Key Dialog Window Sect A Base Modem 9 3 9 1 B Packet Processor 9 3 9 2 Press a hot key to access a subm...

Страница 467: ...All Stored Events Typical for either entry Use the arrow keys to select Cancel or Clear D Clear All Stored Statistics E Alarm Mask Tx AIS Typical for each entry Use the arrow keys to select Active or...

Страница 468: ...m the Base Modem page Use the arrow keys to scroll through the available entries The date time and description are provided for each event Events are numbered in the order logged from the time the eve...

Страница 469: ...Statistic Table from the Base Modem page Use the arrow keys to scroll through the available entries The date time and description are provided for each statistic Statistics are numbered in the order...

Страница 470: ...e Dialog Window Description Option Entry A Stored Event Table See Sect 9 3 9 2 1 B Logging Use the arrow keys to select Enable or Disable C Logging Level Use the arrow keys to select Errors Only Error...

Страница 471: ...essor page Use the arrow keys to scroll through the available entries You may also select a header e g Event 1 and press ENTER to select and then view in a standalone window a specific stored event as...

Страница 472: ...N Management received transmitted and errored packets statistics 9 3 10 3 D WAN Router Mode Review Router Mode WAN Interface Satellite received transmitted and errored packets and counters statistics...

Страница 473: ...Hot Key Page Dialog Window Description Option Entry A Rx Statistics See Sect 9 3 10 1 1 B Tx Statistics See Sect 9 3 10 1 2 C Error Statistics See Sect 9 3 10 1 2 D Clear IP Statistics Use the arrow k...

Страница 474: ...hernet Rx Open the scrollable Rx statistics page from the nested Ethernet submenu Use the arrow keys to scroll through the available entries You may also select a header e g Port 1 and press ENTER to...

Страница 475: ...hernet Tx Open the scrollable Tx statistics page from the nested Ethernet submenu Use the arrow keys to scroll through the available entries You may also select a header e g Port 1 and press ENTER to...

Страница 476: ...net Errors Open the scrollable Error statistics page from the nested Ethernet submenu Use the arrow keys to scroll through the available entries You may also select a header e g Port 1 and press ENTER...

Страница 477: ...M 425 9 3 10 2 Home Statistics Router Open the Router statistics page from the Statistics submenu Hot Key Dialog Window Option Entry A Router Clear Stats Use the arrow keys to select Cancel or Clear P...

Страница 478: ...3 10 3 Home Statistics Managed Switch Open the Managed Switch statistics page from the Statistics submenu Hot Key Dialog Window Option Entry A Router Clear Stats Use the arrow keys to select Cancel or...

Страница 479: ...n 0 Telnet Command Line Interface CLI Operation 9 89 MN CDM 425 9 3 10 4 Home Statistics WAN Router Mode Open the scrollable WAN Router Mode statistics page from the Statistics submenu Otherwise press...

Страница 480: ...Statistics WAN Managed Switch Mode Open the scrollable WAN Managed Switch Mode statistics page from the Statistics submenu Hot Key Dialog Window Option Entry A Clear Stats Use the arrow keys to selec...

Страница 481: ...ompression statistics page from the Statistics submenu Hot Key Page Dialog Window Option Entry Description A Compression Clear Counters Use the arrow keys to select Cancel or Clear B View Statistics T...

Страница 482: ...ble View Open the scrollable Compression statistics table from the nested Compression submenu Use the arrow keys to scroll through the available entries You may also select a header e g Route Index 1...

Страница 483: ...pen the QoS statistics page from the Statistics submenu Hot Key Page Dialog Window Option Entry Description A QoS Clear Counters Use the arrow keys to select Cancel or Clear B View Statistics Table Se...

Страница 484: ...oS Table View Open the scrollable QoS statistics table from the nested QoS submenu Use the arrow keys to scroll through the available entries You may also select a header e g QoS Index 1 and press ENT...

Страница 485: ...95 MN CDM 425 9 3 10 8 Home Statistics PTP Open the PTP statistics page from the Statistics submenu Hot Key Page Description A LAN Details See Sect 9 3 10 8 1 B WAN Details See Sect 9 3 10 8 2 Press a...

Страница 486: ...te Modem Revision 0 Telnet Command Line Interface CLI Operation 9 96 MN CDM 425 9 3 10 8 1 Home Statistics PTP LAN Details Open the LAN Details statistics page from the PTP page Otherwise press ESC to...

Страница 487: ...te Modem Revision 0 Telnet Command Line Interface CLI Operation 9 97 MN CDM 425 9 3 10 8 2 Home Statistics PTP WAN Details Open the WAN Details statistics page from the PTP page Otherwise press ESC to...

Страница 488: ...ite Modem Revision 0 Telnet Command Line Interface CLI Operation 9 98 MN CDM 425 9 3 10 9 Home Statistics CPU Open the CPU statistics page from the Statistics submenu Otherwise press ESC to return to...

Страница 489: ...3 10 10 Home Statistics Clear All Counters Open the Clear All Counters page from the Statistics submenu Hot Key Dialog Window Option Entry A Clear All Counters Use the arrow keys to select Cancel or...

Страница 490: ...ision 0 Telnet Command Line Interface CLI Operation 9 100 MN CDM 425 9 3 11 Home Contact For all product support please call 1 240 243 1880 outside USA and Canada 1 866 472 3963 toll free USA and Cana...

Страница 491: ...0 MHz or L Band operation you may fully monitor and control ODU operations in the following ways By using the CDM 425 front panel keypad and VFD The Front Panel ODU menu branch allows you to configure...

Страница 492: ...s issued via serial remote control or with the Telnet Command Line Interface CLI The address of the ODU is set up as follows For Local End ODUs o Use the Modem s RC Address 1 for a Standalone Unit or...

Страница 493: ...es detailed information for any CDM 425 menu operations or selections not otherwise specified here 10 3 1 Front Panel Operation Overview Chapter 6 FRONT PANEL OPERATION Use the front panel keypad and...

Страница 494: ...10 1 identifies the front panel menu hierarchies allocated to the configuration monitor and control of a Comtech EF Data ODU More specifically menu branches that incorporate ODU operations are shown...

Страница 495: ...UC 10 3 3 1 2 2 CONFIG Mask LNB Test 6 2 2 Use to configure the modem into one of several Test modes and configures monitors the BER Tester Monitor 6 2 3 Use to monitor the current status of the modem...

Страница 496: ...the bottom line As you edit the IF frequency the Satellite frequency updates accordingly Satellite frequency LO IF frequency where the sign is determined by the LO mix setting High sided mix includes...

Страница 497: ...BUC mask should be configured as Attach to Tx alarm Yes 2 The more common redundancy setup is Two modems in parallel one BUC If a fault occurs on the active modem switchover is desired But if a fault...

Страница 498: ...LNB mask should be configured as Attach to Rx alarm Yes 2 The more common redundancy setup is Two modems in parallel one LNB If a fault occurs on the active modem switchover is desired But if a fault...

Страница 499: ...ix alarm types are provided across two screens The last two alarm types on the second screen pertain to ODU operation as shown in the preceding examples Use the arrow keys to navigate between these re...

Страница 500: ...nce and for Power supply control and alarm limits FSK control 10 3 3 3 3 Frequency Shift Keying control Provides menus to monitor and control CSAT 5060 OR KST 2000A B or BUC settings and LPOD settings...

Страница 501: ...select BUC LO Local Oscillator Frequency for the upconversion or Mix to set the polarity for the upconversion mix in the BUC On the top line To set the BUC LO Frequency use the arrow keys to select a...

Страница 502: ...tion Setting Voltage Select Off 13V or 18V 10MHz Set the 10MHz Reference as Off or On Alarm Limits Use the arrow keys to select a digit to edit and then use the arrow keys to change that digit Valid r...

Страница 503: ...e remote M C the ODU address is set up as follows For Local End ODUs o Use the Modem s RC Address 1 for a Standalone Unit or the Online Unit in a 1 1 Redundancy System o Use the Modem s RC Address 2 f...

Страница 504: ...eys to navigate to the bottom line and then use the arrow keys to select where appropriate CSAT 2CSATs or KST Press ENTER when done Sect 10 3 3 3 3 1 ODU FSK control CSAT Sect 10 3 3 3 3 2 ODU FSK con...

Страница 505: ...ade ODU FSK control CSAT ODU FSK control 2CSATs CSAT 1 ODU FSK control 2CSATs CSAT 2 You are directed to a common submenu branch CSAT 5060 050 V1 02 Configuration Monitor Alarms Info For clarity this...

Страница 506: ...r On Mute Mute setting Muted i e Tx off or Unmuted i e Tx on Slope Manual 0 0 to 1 0 in increments of 0 1 or Calibrated Press ENTER to save or CLEAR to cancel and return to the previous menu 10 3 3 3...

Страница 507: ...CSAT provides LNA Power via the Receive RF Cable Calibrate LNA Current Select YES and press ENTER to calibrate the LNA current for use with the Current Window function Default is NO Current Window A v...

Страница 508: ...5 or 10 MHz reference independent of the state of this selection This selection determines whether or not the Summary Fault Relay activates if the CSAT loses lock with the external reference Ref Adj S...

Страница 509: ...f Tune 03 0 VDC LNA 00 05 mA Fan 550 mA ODU FSK control CSAT 2CSATs CSAT X Monitor Power Supplies 24V 24 1 VDC 12V 12 5VDC 5V 5 4VDC 20V 21 2 VDC 10V 10 2VDC 5V 5 3VDC 10 3 3 3 3 1 3 ODU FSK control C...

Страница 510: ...ys to select between the log entries and the Clear All option To view a log entry With the cursor on the entry number use the arrow keys to view through the entries Up to 99 entries are stored Each en...

Страница 511: ...o Model Model CSAT 5060 025 V2 19 S N 010300346 Use this screen to view the CSAT model number its operating firmware and the unit serial number ODU FSK control CSAT 2CSATs CSAT X Info Tx Info Tx Off 6...

Страница 512: ...nnected via the Rx IF port and the ODU Redundancy Controller Box 1 1 Monitor Control CSAT 1 CSAT 2 Redundancy Box Use the arrow keys to select CSAT 1 CSAT 2 or Redundancy Box and then press ENTER 10 3...

Страница 513: ...this mode as Auto or Manual AUTO mode When the Online ODU faults the switchover is done automatically to replace the faulty unit If the ODU Redundancy system is in AUTO mode a forced switch over can...

Страница 514: ...Configuration Miscellaneous HPA Off Fault Logic Summary LNA OFF Fault Logic Summary Cal No Use the arrow keys to select HPA HPA Fault Logic Summary LNA LNA Fault Logic Summary or Cal and then use the...

Страница 515: ...This screen displays the KST and HPA model numbers 10 3 3 3 3 3 1 6 ODU FSK control KST Information Tx Rx Param Info Tx Off 13955MHz 10dB Rx 11950MHz 20dB Ref 087 This screen displays the Tx and Rx s...

Страница 516: ...n press ENTER A detailed status screen similar to the following examples is then shown Up Converter Comms OK L Synth OK Over Temp OK Ku Synth OK Reference Warm 72M Lock OK Range NA Source IntT Xref Lo...

Страница 517: ...figuration BUC Tx On Off On Addr 01 1 15 Use the arrow keys to select Tx or Addr On the top line For Tx use the arrow keys to select Off or On On the bottom line For Addr use the arrow keys to select...

Страница 518: ...NTER 10 3 3 3 3 4 3 1 1 ODU FSK control BUC Advanced FSK LPOD 2LPODs Online Offline LPOD Cnfg Configuration settings Amplifier LNB Mask Misc Use the arrow keys to select Amplifier LNB Mask or Misc and...

Страница 519: ...arm Enable Disable or Enable the current window alarm Cal Calibrate LNB Current Select Yes and press ENTER to calibrate the LNB current Default is No Note LNB Current Source must be Enabled before the...

Страница 520: ...the oscillator LowFwdPower Threshold This sets the threshold for the low forward power alarm fault An alarm fault is triggered if the forward power drops below the specified value Set this setting to...

Страница 521: ...D Monitor Misc Fan1Speed 100 0 Fan2Speed 100 0 LNB Current Draw 005 5mA ODU FSK control BUC Advanced FSK LPOD 2LPODs Online Offline LPOD Monitor Power Supplies1 P24V1 024 1 P24V2 024 0 LNVBT 022 1 P13...

Страница 522: ...d Events As events are compiled the Stored Events screen appears as shown here Reading Stored Events Please Wait Once all events are compiled the Stored Events screen appears as shown here Stored Even...

Страница 523: ...ow keys to select Config or Stored Statistics and then press ENTER ODU FSK control BUC Advanced FSK LPOD 2LPODs Online Offline LPOD Statistics Config Stats Logging Enabled Interval 10 min Averaging Di...

Страница 524: ...screen displays this data as shown here Stats001 000 0C 040 0C 20 45dBm 10 00dB 10 01 10 12 52 08 On On Off 001 0 002 3V Use the arrow keys to scroll backwards or forwards through the statistics log...

Страница 525: ...o return to the previous menu ODU FSK control BUC Advanced FSK LPOD 2LPODs Online Offline LPOD Information Model PS1032 1375145 K REF BUC V1 2 2 S N 101101068 VER 1 3 1 This screen displays the LPOD m...

Страница 526: ...creen displays the Auto Fault Recovery state the Internal 10MHz Reference setting and the Low Forward Power Threshold setting 10 3 3 3 3 4 3 1 6 ODU FSK control BUC Advanced FSK LPOD 2LPODs Online Off...

Страница 527: ...rol Online LPOD Offline LPOD Use the arrow keys to select Online LPOD or Offline LPOD and then press ENTER ODU FSK control BUC Advanced FSK 2LPODs Online LPOD ODU FSK control BUC Advanced FSK 2LPODs O...

Страница 528: ...nfigurations from the CDM 425 s Web Server Interface This embedded web application is designed for and works best with Microsoft s Internet Explorer Version 7 0 or higher 10 4 1 Web Server Interface a...

Страница 529: ...specific to ODU operation appear dimmed and are explicitly defined in Chapter 7 ETHERNET BASED REMOTE PRODUCT MANAGEMENT Click a navigation tab to continue Pages marked with double asterisks are oper...

Страница 530: ...MHz Ref Enable and Output Power Enable Use the drop down lists to turn these functions ON or OFF BUC Low and High Current Limit Assign a value in mA ranging from 0 to 4000 Tx LO Low Oscillator Frequen...

Страница 531: ...B Control LNB DC Power and LNB Reference Enable Use the drop down lists to turn either function ON or OFF LNB Low and High Current Threshold Assign a value in mA ranging from 0 to 500 for either funct...

Страница 532: ...dem Page Events Log Unread Events Displays the total number of unread stored events in the scrollable events window As you display stored event groups this number decrements accordingly Read Next Five...

Страница 533: ...clean the stored statistics log Initialize Statistics Pointer Click to reset the log s internal pointer Unread Statistics Displays the total number of unread stored statistics in the scrollable statis...

Страница 534: ...CDM 425 must be configured for 70 140 MHz operation in order to fully access the ODU Config ODU Status and ODU Utilities pages If the CDM 425 is otherwise configured for L Band operation and selectio...

Страница 535: ...e 10 8 ODU Error Connection Message Page Take steps to troubleshoot the ODU setup before attempting to enable ODU operations from this page See your pertinent ODU Installation and Operation Manual for...

Страница 536: ...page between the Online and Offline units Use the drop down list to select CSAT 1 or CSAT 2 and then click Select ODU A message in the right hand column of this section identifies which unit is ONLIN...

Страница 537: ...from the drop down list Unit Parameters Mute Mode From the drop down list select Muted after freq change or Unmuted after freq change Auto Fault Recovery Cold Start and Ext Reference Fault Logic From...

Страница 538: ...ters Figure 10 11 ODU Config Page KST 2000A B Up Converter Frequency Enter a value in MHz Attenuation Enter a value in dB Output From the drop down list select On or Off Down Converter Frequency Enter...

Страница 539: ...Off LNA Fault Logic From the drop down list select Summary or No Summary Unit AGC Automatic Gain Control From the drop down list select On or Off Reference Oscillator Adjust Enter a value from 0 255 C...

Страница 540: ...DU Status CSAT 5060 Figure 10 12 shows the ODU Status page as it appears when you configure the Comtech EF Data CSAT 5060 as the ODU Use this page to review read only status reports pertaining to the...

Страница 541: ...EF Data KST 2000A B as the ODU Figure 10 13 ODU Status Page KST 2000A B ODU Type HPA Type The section identifies the installed equipment types The remainder of this page provides configuration and op...

Страница 542: ...appears when you configure the Comtech EF Data CSAT 5060 as the ODU Figure 10 14 ODU Utilities Page CSAT 5060 ODU Selection If you use ODUs in redundancy you may toggle this page between the Online a...

Страница 543: ...to 59 Click Enter Date Time once you enter the desired date and time in this section ODU Stored Events This section includes a scrollable window which provides a visual record of the ODU stored event...

Страница 544: ...ODU Utilities page as it appears when you configure the Comtech EF Data KST 2000A B as the ODU Figure 10 15 ODU Utilities Page KST 2000A B ODU Type HPA Type This section identifies the installed equi...

Страница 545: ...monitoring and control of a CSAT 5060 Transceiver ODU installed in standalone or 1 1 Redundancy configurations using a user supplied terminal emulator 1 The CDM 425 Telnet Command Line Interface CLI i...

Страница 546: ...TY Example 10 5 1 ODU Operations using the Telnet CLI 1 ODU Comms must be Enabled and the CDM 425 must be configured for 70 140 MHz operation in order to fully use the Telnet CLI ODU menus 2 The Comte...

Страница 547: ...n submenu D WAN Access WAN configuration submenu E Outdoor Unit ODU Access ODU comms CSAT 5060 configuration submenus F Redundancy Access 1 1 or 1 N redundancy configuration submenu G General Informat...

Страница 548: ...monitor the CSAT 5060 Outdoor Unit that is connected via FSK to the CDM 425 Open the ODU submenu from the Home menu This submenu contains the following options Hot Key Dialog Window Option Entry A ODU...

Страница 549: ...ettings 1 2 Configure a Down Converter 10 5 1 2 1 2 E Down Converter Settings 2 2 F Unit Settings 1 2 Configure an ODU 10 5 1 2 1 3 G Unit Settings 2 2 H LNA Settings Configure a Low Noise Amplifier 1...

Страница 550: ...UC operating settings and to view the BUC operational status Open the Up Converter Settings 1 2 page or the Up Converter Settings2 2 page from the nested CSAT 5060 submenu The Up Converter Settings 1...

Страница 551: ...4 00 to 0 00 dBm Typical for either page press a hot key to open a dialog window Otherwise press ESC to return to the nested CSAT 5060 submenu 10 5 1 2 1 2 Home Outdoor Unit ODU CSAT 5060 Down Conver...

Страница 552: ...ter a value from 0 0 to 1 0 units The Down Converter Settings 2 2 page contains the following options Hot Key Dialog Window Option Entry A Rx Mute Use the arrow keys to select Disabled or Enabled B Rx...

Страница 553: ...abled or Enabled C Unit Cold Start Use the arrow keys to select Disabled or Enabled The Unit Settings 2 2 page contains the following options Hot Key Dialog Window Option Entry A Unit Ext Ref Fault Lo...

Страница 554: ...contains the following options Hot Key Dialog Window Option Entry A Unit LNA Current Window Enter a value as follows Range 1 20 to 50 Range 2 99 to 99 B Unit LNA Current Window Use the arrow keys to...

Страница 555: ...the nested CSAT 5060 submenu This page provides the following information Item Description Online State Identifies the unit as Online or Offline Maintenance Parameters Info needed Unit Faults Lists th...

Страница 556: ...try Use the arrow keys to select No or Yes B Clear Event Log Press a hot key to open a dialog window Stored Events The page additionally provides a listing of the latest five stored events Each event...

Страница 557: ...anual or Auto Press a hot key to open a dialog window Otherwise press ESC to return to the nested CSAT 5060 submenu 10 5 1 2 1 8 Home Outdoor Unit ODU CSAT 5060 Utilities Open the Utilities page from...

Страница 558: ...CDM 425 Advanced Satellite Modem Revision 0 ODU Transceiver BUC LNB Operation 10 68 MN CDM 425 Notes...

Страница 559: ...for connection between the CDM 425 Advanced Satellite Modem Rear Panel Remote Control port and any serial port on the User PC 1 The Electronic Industries Association EIA designations supersede the Re...

Страница 560: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix A A 2 MN CDM 425 Figure A 1 EIA 530 to EIA 422 449 DCE Conversion Cable CEFD P N CA WR0049...

Страница 561: ...0 Appendix A A 3 MN CDM 425 A 1 2 EIA 530 to V 35 DCE Conversion Cable Use this EIA 530 to V 35 DCE Conversion Cable for connections between the CDM425 Advanced Satellite Modem and the user data Figur...

Страница 562: ...e updates in the absence of an Ethernet based connection You may also use this cable for serial based M C of the CDM 425 Advanced Satellite Modem Connect this cable from the CDM 425 Advanced Satellite...

Страница 563: ...nations of modulation and coding that maintain the same coding gain performance as Comtech EF Data s legacy LDPC while significantly reducing latency The existing LDPC approach and DVB S2 short block...

Страница 564: ...a Rate CCM mode Mbps 00 BPSK 0 488 0 49 2 2 4 26 18 5 7 01 QPSK 0 533 1 07 4 1 2 2 53 20 10 02 QPSK 0 631 1 26 4 1 2 7 59 23 10 03 QPSK 0 706 1 41 4 1 3 4 62 26 10 04 QPSK 0 803 1 61 4 1 3 8 66 28 12...

Страница 565: ...1 This puts the performance of VersaFEC at or near the DVB S2 performance with 16 kbit blocks Figure B 1 VersaFEC Codes versus Shannon Capacity Note that SNR is used in place of Eb No a convention fo...

Страница 566: ...Min Data Rate CCM mode Max Data Rate CCM mode 8 QAM 0 576 1 73 4 5 dB 87 32 kbps 11 Mbps 16 QAM 0 644 2 58 6 5 dB 121 47 kbps 11 Mbps B 1 1 2 Ultra Low Latency ULL Codes Four additional ultra short b...

Страница 567: ...e limits latency is no longer an issue and Long Block is preferred Spectral efficiency up to 4 15 bps Hz for Short Block VersaFEC 2 CCM and point to point ACM are supported in both modes In CCM links...

Страница 568: ...Codec Rate 0 488 BPSK 1E 9 1E 8 1E 7 1E 6 1E 5 1E 4 1E 3 1E 2 1E 1 1 2 3 4 5 6 7 8 9 10 11 12 Eb No in dB Uncoded BPSK QPSK Comtech VersaFEC Codec Rate 0 488 BPSK 1 2 3 4 5 6 7 8 9 10 11 12 BER Rate...

Страница 569: ...E 9 1E 8 1E 7 1E 6 1E 5 1E 4 1E 3 1E 2 1E 1 1 2 3 4 5 6 7 8 9 10 11 12 Eb No in dB Uncoded BPSK QPSK Comtech VersaFEC Codec Rate 0 533 0 631 0 706 and 0 803 QPSK 1 2 3 4 5 6 7 8 9 10 11 12 BER Rate 0...

Страница 570: ...1E 9 1E 8 1E 7 1E 6 1E 5 1E 4 1E 3 1E 2 1E 1 1 2 3 4 5 6 7 8 9 10 11 12 Eb No in dB Uncoded BPSK QPSK Comtech VersaFEC Codec Rate 0 642 0 711 0 780 8 QAM 1 2 3 4 5 6 7 8 9 10 11 12 BER Rate 0 711 8 Q...

Страница 571: ...7 1E 6 1E 5 1E 4 1E 3 1E 2 1E 1 1 2 3 4 5 6 7 8 9 10 11 12 Eb No in dB Rate 0 780 16 QAM Uncoded BPSK QPSK Typical Performance shown guaranteed performance curves are 0 3dB to the right Rate 0 731 16...

Страница 572: ...644 16 QAM 1E 9 1E 8 1E 7 1E 6 1E 5 1E 4 1E 3 1E 2 1E 1 1 2 3 4 5 6 7 8 9 10 11 12 Eb No in dB Uncoded BPSK QPSK Comtech VersaFEC Codec Extended CCM 0 576 8 QAM and 0 644 16 QAM 1 2 3 4 5 6 7 8 9 10...

Страница 573: ...1E 9 1E 8 1E 7 1E 6 1E 5 1E 4 1E 3 1E 2 1E 1 1 2 3 4 5 6 7 8 9 10 11 12 Eb No in dB Uncoded BPSK QPSK Comtech Ultra Low Latency ULL Codec Rate 0 493 BPSK QPSK 0 654 and 0 734 QPSK 1 2 3 4 5 6 7 8 9 10...

Страница 574: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix B B 12 MN CDM 425 BLANK PAGE...

Страница 575: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix B B 13 MN CDM 425 Figure B 8 VersaFEC 2 Short Block...

Страница 576: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix B B 14 MN CDM 425 Figure B 9 VersaFEC 2 Short Block...

Страница 577: ...EDMAC EDMAC 2 or EDMAC 3 D I ESC Framed QDI If IP ACM mode is selected no additional framing is required The remote modem constantly sends back information about the demodulator Eb No using reserved b...

Страница 578: ...e minimum value to enter is 0 0 dB If the Eb No falls below this value the AUPC control will increase the Tx output power but will never exceed the value determined by the parameter MAX RANGE The maxi...

Страница 579: ...all times Several features ensure that the AUPC system does overshoot or oscillate Corrections for which the output power can be made are fixed at the rate of once every four seconds This takes into a...

Страница 580: ...or AUPC or via the remote control interface The resolution of the reading is 0 2 dB For all values greater than or equal to 16 dB a value of 16 0 dB will be displayed As long as framing is enabled the...

Страница 581: ...uence containing identifying information about a host carrier that is spread using Direct Sequence Spread Spectrum DSSS and then combined at a low power level directly underneath that host carrier The...

Страница 582: ...f the MetaCarrier is determined based purely on symbol rate and is totally independent of modulation and coding resulting in two 2 discrete sizes of MetaCarrier being combined with the host carrier Th...

Страница 583: ...ser Use of the serial based remote control interface the Telnet based remote control interface and the Etherned based SNMP interface are recommended only for advanced users Comtech EF Data strongly en...

Страница 584: ...hen press ENTER CarrierID Longitude 111056 28 W Edit the longitude in the form shown degrees and decimal minutes East or West of the location where the CDM 425 Advanced Satellite Modem is located usin...

Страница 585: ...E 2 Transmit Clocking There are five transmit clocking modes in the CDM 425 Advanced Satellite Modem EIA 422 449 signal mnemonics will be used for illustration but the description applies equally to...

Страница 586: ...n accurate and stable clock is present on ST rather than a clock that may jitter and wander in a random fashion G 703 and IP Does not apply E 2 4 RX Loop Timed RX TX Asymmetric Loop Timing The CDM 425...

Страница 587: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 3 MN CDM 425 Figure E 1 TX Clock Modes...

Страница 588: ...here is still a minimum buffer in use to de jitter the effects of removing overhead framing G 703 Applicable E 3 2 Buffer Enabled TX RX TX Terrestrial or Int SCT Clock In this instance it is required...

Страница 589: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 5 MN CDM 425 Figure E 2 RX Clock Modes...

Страница 590: ...Int These settings instead force RT to be a copy of ST In either case it is SD that has an uncertain phase relationship to the clock due to round trip delays so the modem s TX clock invert feature ma...

Страница 591: ...12 13 14 15 16 17 18 19 20 21 22 23 24 E1 CCS Common Channel Signalling 2048 kbps E1 Frame Maximum channels to drop 30 1920 kbps n x 64 kbps n 1 2 3 4 5 6 8 10 12 15 16 20 24 30 Time Slot No Time Slot...

Страница 592: ...d For T1 you can select any timeslot TS from 1 to 24 You may also select N A to leave a satellite channel unused The configuration menu allows timeslots to be selected for transmission or reception up...

Страница 593: ...nt permits you to choose between fully independent operation of the incoming and outgoing E1 T1 signal or to use the same T1 E1 signal for both Dropping and Inserting looped mode If Loop has been sele...

Страница 594: ...d into the selected timeslots of this new blank frame and output on the IDO port E 10 Single Source Multiple Modems Two ways to connect a single T1 or E1 stream to several modems are by looming or dai...

Страница 595: ...lock extension modes Details of how to set up the modems for these various operating modes are given in Chapter 6 FRONT PANEL OPERATION E 11 1 Clock Extension Mode 1 Figure E 7 shows Clock Extension M...

Страница 596: ...maximum transition density in the AMI signal This scheme is sufficiently flexible to permit an E1 signal to be used at the local end and a T1 signal to be reproduced at the distant end or vice versa E...

Страница 597: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 13 MN CDM 425 Figure E 7 G 703 Clock Extension Mode 1 CDM 425 CDM 425...

Страница 598: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 14 MN CDM 425 Figure E 8 G 703 Clock Extension Mode 2 CDM 425 CDM 425...

Страница 599: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 15 MN CDM 425 Figure E 9 G 703 Clock Extension Mode 3 CDM 425 CDM 425...

Страница 600: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 16 MN CDM 425 BLANK PAGE...

Страница 601: ...However for any fractional value of n the incoming E1 to that port must have TS0 framing so that the selected timeslots to be dropped can be identified Recent improvements to Quad E1 operation allow t...

Страница 602: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 18 MN CDM 425 BLANK PAGE...

Страница 603: ...er used Therefore a satellite circuit should be designed for optimal utilization to use a similar share of transponder bandwidth and power The traditional approach to balancing a satellite circuit onc...

Страница 604: ...ferent objectives Summary When carriers share common bandwidth up to 50 savings in transponder utilization is possible F 1 2 Application Requirements The following conditions are necessary in order to...

Страница 605: ...th the electronics in the CDM 425 Advanced Satellite Modem itself CnC tracks and compensates for this frequency offset and drift 3 Atmospheric effects Fading and scintillation can affect amplitude pha...

Страница 606: ...al data source e g Firebird or internal BER tester when testing Carrier in Carrier performance To prevent self locking in case the desired carrier is lost it is recommended that the two carriers have...

Страница 607: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix F F 5 MN CDM 425 Figure F 2 Conventional FDMA Link...

Страница 608: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix F F 6 MN CDM 425 Figure F 3 Same Link Using CDM 425 Advanced Satellite Modem and DoubleTalk Carrier in Carrier Figure F 4 Duplex Link Optimization...

Страница 609: ...troubleshooting a system that utilizes the DoubleTalk Carrier in Carrier technique for signal suppression One possible way to mitigate false peaks is to narrow the correlation window For example if t...

Страница 610: ...lay frequency phase and amplitude of the sampled uplink signal resulting in excellent cancellation performance When a full duplex satellite connection is established between two sites separate satelli...

Страница 611: ...imate of the unwanted signal can be extremely accurate Unwanted interfering signal suppression of 30 dB or more has been achieved in commercial products with minimal degradation of the demodulator per...

Страница 612: ...olves finding the FEC and modulation combination that provides optimal bandwidth utilization Just like conventional link design it is an iterative process that involves trying different FEC and modula...

Страница 613: ...k is shown in Figure F 7 Figure F 7 Symmetric Data Rate Traditional Link Carrier in Carrier link design involved trying different Modulation FEC Code Rates to find the optimal combination 8 QAM LDPC 2...

Страница 614: ...Modem Revision 0 Appendix F F 12 MN CDM 425 Link parameters and LST summary for QPSK LDPC 2 3 with Carrier in Carrier is shown in Figure F 8 Figure F 8 Link Parameters and LST Summary for QPSK LDPC 2...

Страница 615: ...40 Table F 5 HPA Power Reduction HPA Power Traditional Link QPSK TPC 3 4 CnC Link QPSK LDPC 2 3 HPA Power Reduction HPA 4 6 m 0 7 W 0 5 W 40 HPA 2 4 m 1 5 W 1 1 W 36 F 2 5 2 Asymmetric Data Rate Link...

Страница 616: ...Table F 7 Asymmetric Data Rate Link Savings Summary Item Original Link With Carrier in Carrier and LDPC Savings Hub to Remote Remote to Hub Total Hub to Remote Remote to Hub Total Data Rate kbps 3000...

Страница 617: ...PSK TPC 3 4 Switching to VersaFEC and using a lower order modulation e g QPSK VersaFEC 0 803 increases the total occupied bandwidth while reducing the total power equivalent bandwidth Now using Double...

Страница 618: ...VersaFEC Savings Hub to Remote Remote to Hub Total Hub to Remote Remote to Hub Total Data Rate kbps 2048 2048 2048 2048 Modulation 8 PSK 8 PSK QPSK QPSK FEC TPC 3 4 TPC 3 4 0 803 0 803 Occupied BW MH...

Страница 619: ...cord Receive Signal Level RSL at Site B 2 Turn OFF the carrier at Site A Turn ON the carrier at Site B CnC function is OFF at both sites Using a spectrum analyzer measure Co No No at the input to the...

Страница 620: ...ed Eb No Carrier in Carrier should be OFF Record the Eb No as displayed by the Modems Observe the 2 carriers on a spectrum analyzer and record the PSD ratio Example Link Full duplex 512 kbps QPSK LDPC...

Страница 621: ...fy that the PDS ration is within spec for the CDM 425 Advanced Satellite Modem 3 Calculate the Allocated Bandwidth BW and Power Equivalent Bandwidth PEB for the duplex link BWDuplex Link Greater of BW...

Страница 622: ...e Downlink EIRP and Symbol Rate to estimate the PSD Ratio from a link budget PSD Downlink EIRP 10 Log Symbol Rate Table F 11 PSD Ratio Example Carrier Downlink EIRP Symbol Rate Power Spectral Density...

Страница 623: ...Analyzer capable of integrating the signal power in a given bandwidth to estimate PSD Ratio or CnC Ratio CnC Ratio in dB PowerC1 in dBm PowerC2 in dBm PSD Ratio in dB PowerC1 10 log BWC1 in Hz PowerC...

Страница 624: ...side can cause many carriers to simultaneously increase power beyond their authorized maximums leading to intermod problems adjacent channel interference ACI issues and in some extreme cases saturatio...

Страница 625: ...ose agreement the power changes are implemented It may not always be possible to drive the powers to an optimum point The calculations take into account The minimum and maximum power levels possible i...

Страница 626: ...two sides the modem will revert to Home State which is a known safe condition that will not cause TCP to be exceeded Once the link conditions have improved so that communication is re established CnC...

Страница 627: ...w as possible The overhead rate is fixed at 0 5 causing the symbol rate of the carrier to grow by an almost imperceptible amount no need to re calculate channel spacing and causing a loss of Eb No per...

Страница 628: ...e use of CnC APC framing provides the means to eliminate the self locking problem Rather than having an identical framing structure for the local and distant sides of the link by designating each side...

Страница 629: ...dinate the change of CnC from normal to CnC APC mode Alternately if an IP connection is available to the distant end that does not depend on the satellite link for primary connectivity the setup can b...

Страница 630: ...sible until this error has been corrected If different satellite bands are selected on each side for instance Side A is Ku Band while Side B is C Band the modem will display an APC Band Mismatch fault...

Страница 631: ...pproaching its lower limit OK P LocalPwr Max Partial re balance limited by local power approaching its upper limit OK P LocalPwr Lim Partial re balance limited by local power approaching TPLImax OK P...

Страница 632: ...he minimum for the operating symbol rate If the message shown begins with OK then after approximately 5 seconds the display changes as per the following example The CnC Mode APC Side A C Band Off On A...

Страница 633: ...Following the changes you should re activate CnC APC Be aware that the re activation will be preceded with a new re balance operation F 4 7 CnC APC Redundancy Support Notes Chapter 6 FRONT PANEL OPER...

Страница 634: ...ute power ratio CnC Ratio 7dB 10 log Outbound desired symbol rate 10 dB Maximum Symbol Rate Ratio 3 1 TX RX or RX TX Inbound Outbound frequency uncertainty Within the normal acquisition range of the d...

Страница 635: ...ircuit with 8PSK Modulation FEC Rate 3 4 and 1 4 Spacing requires Allocated BW DR SE CSF Data Rate Spectral Efficiency Carrier Spacing Factor Allocated BW 6 222 MHz 10 2 25 1 4 For a 36 MHz transponde...

Страница 636: ...in dB PowerC1 in dBm PowerC2 in dBm Eb No Ratio of Energy per bit Eb to Noise density No unit in dB Eb No C No 10log DR where DR is the Data Rate Eb No Es No 10log SE where SE is Spectral Efficiency E...

Страница 637: ...is the signal power per unit bandwidth dBW Hz or dBm Hz For example Signal power 20 dBm Signal bandwidth 5 MHz PSD 20 10 log 5 000 000 46 99 dBm Hz PSD Ratio Ratio of Power Spectral Density PSD of th...

Страница 638: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix F F 36 MN CDM 425 BLANK PAGE...

Страница 639: ...is measurement Use a vertical scale of 1 or 2 dB division Set the Resolution Bandwidth of the Spectrum Analyzer to 20 of the symbol rate Use video filtering and or video averaging to reduce the varian...

Страница 640: ...0 of approximately 2 6 dB The exact relationship used to derive the table values is as follows Eb N0 10log10 10 Co No No 10 1 10log10 FEC Code Rate 10log10 bits symbol Where Eb N0 and Co No No are exp...

Страница 641: ...8 2 7 7 7 0 6 7 6 4 5 8 12 0 11 7 14 7 14 9 16 7 8 7 11 7 9 9 9 3 8 9 8 7 8 2 7 5 7 2 6 9 6 3 12 5 12 2 15 2 15 4 17 3 9 2 12 2 10 4 9 8 9 4 9 2 8 7 8 0 7 7 7 4 6 8 13 0 12 8 15 8 16 0 17 8 9 8 12 8 1...

Страница 642: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix G G 4 MN CDM 425 BLANK PAGE...

Страница 643: ...added This allows the demodulator to find and lock to the start of frame At regular intervals throughout the frame additional data bytes and flag bits are added a further 36 bits in total It is these...

Страница 644: ...rate exchange as the original EDMAC frame 21 20 5 at 2048 kbps and below 61 60 1 6 above 2048 kbps With EDMAC 3 however the EDMAC channel operates at 1 3 the rate of original EDMAC because most of the...

Страница 645: ...DMAC Master simply acts as forwarding service in a manner that is completely transparent This approach does not require any additional cabling connection is made using the normal M C remote port Furth...

Страница 646: ...e bus address for the distant end This should normally be set to the base 10 address 1 For example if the MASTER unit is set to 30 choose 31 for the distant end unit On the distant end unit enable fra...

Страница 647: ...depending on whether the optional IP Packet Processor is either not installed or installed but disabled or when the optional IP Packet Processor is installed and enabled Appendix J IP PACKET PROCESSOR...

Страница 648: ...Managed Switch I 2 2 Modes of Ethernet Operation The Ethernet interface is configurable for Managed Switch Mode when the optional IP Packet Processor is either not installed or installed but disabled...

Страница 649: ...ure to avoid connecting multiple ports of the CDM 425 Advanced Satellite Modem to the same external Ethernet switch as shown in Figure I 2 Figure I 3 Ethernet Networking Loop Example Simplified Figure...

Страница 650: ...wo or more hub sites where there are multi paths between each site care must be taken to ensure that no Ethernet Networking Loops occur Figure I 4 shows two hub sites connected with two or more modems...

Страница 651: ...raffic Using Routers Figure I 5 shows two hub sites connected with standard Ethernet traffic using routers instead of switches for the Ethernet connection The routers will block the broadcasts coming...

Страница 652: ...Standard Traffic Using Routers or Switches Figure I 6 shows a hub to remotes configuration using switches or routers with standard Ethernet traffic the routers switches will block broadcasts coming f...

Страница 653: ...Figure I 7 shows Point to Multipoint configuration using the optional IP Packet Processor When a working mode is configured as Router Multipoint Hub the modem is allowed to egress on the WAN interfac...

Страница 654: ...I 8 shows hub to remotes configuration using routers with standard and split path Ethernet traffic A Static ARP Entry is needed in the switch so that routing of the Tx side of the modems will be on t...

Страница 655: ...to Multipoint Using Switches With switches used the hub and remote are on the same subnet as shown in Figure I 9 meaning that broadcasts will be allowed to transverse the network Learning Mode must b...

Страница 656: ...int to Multipoint Router Multipoint Hub Mode Figure I 10 depicts a Point to Multipoint Router Multipoint Hub setup with the optional IP Packet Processor installed enabled in the CDM 425 Advanced Satel...

Страница 657: ...Mode drop down menu to select the mode as Router Multipoint Hub and then click Submit to accept this configuration change o Refer to Chapter 7 ETHERNET BASED PRODUCT MANAGEMENT Sect 7 5 4 3 3 1 Config...

Страница 658: ...ic for a Multicast Routing Network As shown in Figure I 11 there are two key components to this configuration the LAN Downstream Interface and the WAN Upstream Interface Note the following LAN Downstr...

Страница 659: ...es Add a multicast route using the page s Add New Route section making sure to select toWAN from the Interf drop down menu this defines the route as LAN WAN Click Add Entry once the route is created F...

Страница 660: ...Switch Mode with IP Packet Processor When the optional IP Packet Processor is installed and enabled The CDM 425 Advanced Satellite Modem uses Comtech EF Data s patented Streamline Encapsulation SLE F...

Страница 661: ...e shelf Ethernet switch 1 N Redundancy is supported using a CRS 300 1 10 Redundancy Switch or a CRS 500 M N Redundancy System in 1 N mode in a wired thru or wired around configuration and is supported...

Страница 662: ...synchronization with a time server When the modem synchronizes its time it also synchronizes the time of all connected EDMAC devices such as slave LPODs or CSATs When all devices are synchronized admi...

Страница 663: ...cond range due to the presence in the network of variable delay components such as Quality of Service QoS buffer Rx Tx FIFOs Satellite Doppler etc The CDM 425 Advanced Satellite Modem bridges PTP from...

Страница 664: ...end modem WAN port is the slave Using the B front panel or its Web Server Interface set the PTP Grandmaster on this distant end modem as WAN Accordingly the third segment between the CDM 425 Advanced...

Страница 665: ...includes very low overhead Streamline Encapsulation SLE Header Compression Payload Compression Advanced Quality of Service QoS and Advanced Encryption Standard AES Encryption The IP Packet Processor e...

Страница 666: ...this kit J 1 2 CDM 425 CDM 425 Interoperability Compatibility Limitations A CDM 425 Advanced Satellite Modem that is equipped with the IP Packet Processor is not interoperable for IP Ethernet Traffic...

Страница 667: ...ombination of framing and interface type excluding IP itself A specific user selected ratio references the composite data rate to the modulator and from the demodulator to the primary non IP interface...

Страница 668: ...orates multi level QoS to ensure the highest quality of service with minimal jitter and latency for real time traffic priority treatment of mission critical applications and maximum bandwidth efficien...

Страница 669: ...an reduce the 40 byte IP UDP RTP header to as little as 1 byte for TCP IP the 40 byte header is reduced to as little as 3 bytes For applications such as Voice over IP VoIP header compression can provi...

Страница 670: ...user supplied Network Management System NMS and a user supplied Management Information Base MIB File Browser Telnet Interface This requires use of a user supplied terminal emulation program such as H...

Страница 671: ...THERNET BASED REMOTE PRODUCT MANAGEMENT Sect 7 4 Telnet Interface Chapter 8 SERIAL BASED REMOTE PRODUCT MANAGEMENT and Chapter 9 TELNET COMMAND LINE INTERFACE CLI OPERATION for Telnet Interface detail...

Страница 672: ...Subnets 950 Internet Standard Subnetting Procedure 951 Bootstrap Protocol BOOTP 959 File Transfer Protocol 1071 Computing the Internet Checksum 1112 Host Extensions for IP Multicasting 1350 The TFTP...

Страница 673: ...tions J 1 1 and J 1 2 in this appendix for a detailed description of the requirements and limitations of using the IP Packet Processor with the CDM 425 Advanced Satellite Modem J 5 2 Requirements for...

Страница 674: ...w your exact modem model Step Task 1 Turn off the CDM 425 Advanced Satellite Modem and disconnect the modem s power cord from its power source Next use the screwdriver to remove the top cover mounting...

Страница 675: ...f the fan into the chassis A Plug in of both the fan power cable B and IP Packet Processor Card C into the modem s framing board Assembly of the IP Packet Processor Card onto the chassis mounted card...

Страница 676: ...ith the provided mounting hardware 4X CEFD P N HW 4 40X3 4PH 4 40 x 3 4 pan head screws and 4X CEFD P N HW 440HXNUTLOC 4 40 locking hex nuts at the designated location IMPORTANT NOTE Refer to the arro...

Страница 677: ...le receptacle A into the mating connector on the modem s framing board B IMPORTANT NOTE 1 Note the orientation of the fan s power cable receptacle and wiring to the mating connector and its pins on th...

Страница 678: ...ed components Similarly be sure not to damage the bottom of the card on the chassis mounting bosses while plugging the card receptacle into its mating connector Installation is complete once the cable...

Страница 679: ...425 Step Task 8 Plug the front panel ribbon cable back into its mating connector on the modem s framing board 9 Use the screwdriver to reinstall the top cover onto the chassis with its existing mounti...

Страница 680: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix J J 16 MN CDM 425 The CDM 425 Advanced Satellite Modem IP Packet Processor upgrade is now complete You may turn on and resume use of the modem...

Страница 681: ...on Card and activated with the appropriate FAST codes ACM turns fade margin into increased link capacity gains of 100 or more are possible compared to traditional Constant Coding and Modulation CCM Th...

Страница 682: ...QPSK where modulation order 2 Symbol rate bit rate 0 666 Re arranging Bit rate symbol rate modulation order code rate So in changing to a higher modulation order or code rate the bit rate is increase...

Страница 683: ...t the start of each code block to signal the demodulator decoder how to configure for the correct modulation type and FEC code rate 2 A receiver that is capable of demodulating and decoding the signal...

Страница 684: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 4 MN CDM 425 BLANK PAGE...

Страница 685: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 5 MN CDM 425 Figure K 1 ACM over Satellite Generic Example...

Страница 686: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 6 MN CDM 425 BLANK PAGE...

Страница 687: ...its all solution Some of the disadvantages are as follows Excessive latency The so called short blocks are too long for low latency IP applications at low data rates This is exacerbated by the additio...

Страница 688: ...case The elimination of the need for pilot symbols for carrier tracking at low SNR by substitution of other modulation techniques This further reduces the complexity of the demodulator Reduction in th...

Страница 689: ...53 20 10 02 QPSK 0 631 1 26 4 1 2 7 59 23 10 03 QPSK 0 706 1 41 4 1 3 4 62 26 10 04 QPSK 0 803 1 61 4 1 3 8 66 28 12 05 8 QAM 0 642 1 93 6 1 4 6 89 35 12 06 8 QAM 0 711 2 13 6 1 5 2 93 39 12 07 8 QAM...

Страница 690: ...This may not seem obvious to some and it is beyond the scope of this appendix to provide a rigorous defense of this statement It is however a correct statement despite certain believers in non causal...

Страница 691: ...becomes clear that there is an unintended penalty besides demodulator complexity to having a constant number of bits per block Each time the ModCod is lowered and the throughput is reduced the latenc...

Страница 692: ...Rx IP ACM None 422 V35 G703s Audio LVDS HSSI IP ASI 3 SELECT CONFIG TX SYMB Enter the desired transmit symbol rate Note that this is a fundamental departure from the way in which the modem is typical...

Страница 693: ...from the CONFIG menu branch Proceeding from the CONFIG ACM submenu CONFIG All Mode Tx Rx Clocks ACM CnC EDMAC Misc Mask Remote IP ACM Config Min Max ModCod Unlock Action Target EbNo Margin Min Max Mod...

Страница 694: ...of hysteresis has been added The switch points and the hysteresis are shown in Figure K 3 Target Eb No Margin 1 0 dB 0 0 4 5 7 SELECT CONFIG IP Switch set up WAN Enter the desired size of the WAN Buf...

Страница 695: ...d increased by configuring the Target Eb No margin parameter which can vary from 0 to 4 5 dB in 0 5dB steps In a fading environment it is strongly recommended to add sufficient margin to maintain an a...

Страница 696: ...and any other supported FEC type in the other Example Rx VersaFEC 2 Tx TPC In ACM the range of rate bit rate adaptation is approximately 9 1 In ACM both sides need to be VersaFEC 2 but Tx and Rx can...

Страница 697: ...14 8 ARY 0 635 1 906 18720 6 2 299 34 3 23 8 37 12 5 15 8 ARY 0 660 1 979 19440 6 5 311 35 6 24 7 37 12 5 16 8 ARY 0 684 2 052 20160 6 9 322 36 9 25 0 37 12 2 17 8 ARY 0 708 2 125 20880 7 2 333 38 3...

Страница 698: ...611 1 832 3000 6 6 53 33 0 2 0 37 1 14 8 ARY 0 635 1 906 3120 6 9 55 34 3 2 0 37 1 15 8 ARY 0 660 1 979 3240 7 2 57 35 6 2 0 37 1 16 8 ARY 0 684 2 052 3360 7 5 59 36 9 2 0 37 1 17 8 ARY 0 708 2 125 3...

Страница 699: ...Appendix K K 19 MN CDM 425 Note that Es No SNR is used in place of Eb No a convention for comparing ACM ModCods SNR is defined as Es No Eb No 10 log10 Spectral Efficiency Figure K 4 VersaFEC 2 Codes v...

Страница 700: ...cally The following table shows a summary for both VersaFEC 2 Long and Short Block modes Table K 5 VersaFEC 2 End to End Latency 100 ksps Min Throughput 100 ksps Max Throughput 100 ksps End to end Lat...

Страница 701: ...bolRate 01000 000 ksps ACM Mode Data Invert Off Clock Invert Off The Transmit symbol rate is limited by the FAST code installed There are five options 37 ksps to 1200 ksps 37 ksps to 8000 ksps 37 ksps...

Страница 702: ...od 00 B 0 489 0 489 bps Hz Max Modcod 37 32 ARY 0 879 4 397 bps Hz In VersaFEC 2 the Minimum ModCod is fixed at 0 and the user cannot change it CAUTION The value of Max ModCod may be limited by other...

Страница 703: ...n X Y mode the Alarms connector provides analog voltages to monitor the constellation This has the advantage that it will show a change in modulation type instantaneously unlike the Constellation over...

Страница 704: ...d to 75 At this point normal operation in resumed by sending a Pause Frame with Pause time set to 0x0000 This mechanism has been shown to be very effective at mitigating packet loss when the ACM contr...

Страница 705: ...then it can change if needed directly from ModCod11 to ModCod0 VersaFEC example This gives the fastest possible response and helps keep the link intact under fast fading events While ACM can do remark...

Страница 706: ...atency set the WAN buffer to the smallest practical value This will depend on how well the connected equipment implements rate limiting and the variation in IP packet size The default setting is 20ms...

Страница 707: ...ptation Switch Point decreasing SNR Corresponds to SNR Es No that gives BER 5 x 10 8 margin set to 0 dB Switch Point Hysteresis 0 3 dB Max Fading Rate Approximately 1 dB second higher if Target Eb No...

Страница 708: ...1 07 2 2 dB 39 6 kbps 4 38 Mbps QPSK 0 631 1 26 2 7 dB 46 7 kbps 5 16 Mbps QPSK 0 706 1 41 3 4 dB 52 2 kbps 5 78 Mbps QPSK 0 803 1 61 3 8 dB 59 6 kbps 6 60 Mbps 8 QAM 0 642 1 93 4 6 dB 71 5 kbps 7 91...

Страница 709: ...argin set to 0 dB Switch Point Hysteresis 0 3 dB Max Fading Rate Approximately 1 dB second higher if Target Eb No margin 1 dB Max ModCod Update Rate 1 update every 1 7 seconds Configurable Parameters...

Страница 710: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 30 MN CDM 425 BLANK PAGE...

Страница 711: ...raffic is one fifty ninth the primary 1 39 IP traffic is one thirty ninth the primary 1 19 IP traffic is one nineteenth the primary 1 9 or 9 IP traffic is one ninth the primary or 9 times the primary...

Страница 712: ...e vs Composite Rate Chapter 6 FRONT PANEL OPERATION Without Sub Mux the CONFIG Tx and CONFIG Rx front panel menu screens display the modem s transmit and receive data rates which refer to the terrestr...

Страница 713: ...installed but disabled Layer 2 QoS is based on OSI model Layer 2 header parameters such as IEEE 802 1q VLAN priority field and is also based on the CDM 425 s physical Ethernet port Layer 3 QoS require...

Страница 714: ...ity queues Three modes of Layer 2 QoS are available Port based VLAN based Port and VLAN based M 2 1 Modem Tx Data Rate vs QoS Tx Data Rate Modem Tx data rate can be set in 1 Kbps step size resolution...

Страница 715: ...irrespective of traffic type all traffic ingress on a particular port is treated with the priority assigned to that port In the event any port is overdriven with ingress traffic if there is insuffici...

Страница 716: ...ndwidth is set to 3 Mbps Since the modem Tx bandwidth and QoS output data rates are not the same after Layer 2 QoS prioritization the modem will further limit the output data rate to the Tx bandwidth...

Страница 717: ...1 bit VLANid 12 bits VLAN Tag Figure M 1 IEEE 802 1q VLAN priority Table M 2 802 1q to Layer 2 QoS Priority Conversion 802 1q VLAN Priority Field Layer 2 QoS Priority 7 b111 Priority 4 6 b110 5 b101...

Страница 718: ...dth of 1 Mbps the QoS output bandwidth is set to 1 Mbps Total Input data rate is 4X 500 Kbps 2 Mbps Based on Table M 2 the VLAN Priorities 7 5 3 and 1 are mapped respectively to L2 QoS Priorities 4 3...

Страница 719: ...n Table M 1 for a modem Tx bandwidth of 4 Mbps the QoS output bandwidth is set to 4 Mbps Since the modem Tx bandwidth and QoS output data rates are the same there is no need for normalization Based on...

Страница 720: ...ity number the higher the priority For example a Priority 1 queue schedules and drains before a Priority 2 queue similarly Priority 2 packets will schedule and drain before Priority 3 packets etc Laye...

Страница 721: ...99 3 N N 4 Def 0 4094 255 0 65535 0 65535 99999 9 N N The input data streams are as follows Stream Protocol VLAN Range TOS Src IP Dest IP Src Port Dest Port Steam Data Rate 1 UDP 0 4094 255 1024 2 TCP...

Страница 722: ...er 3 QoS provides the ability to filter the packet completely QoS Example 7 SETUP Min Max Layer 3 QoS mode is selected Modem Tx bandwidth is set to 20 Mbps The Min Max QoS rules are configured as foll...

Страница 723: ...was set to 4000 Kbps and minimum bandwidth has already taken 2500 bytes it will use 1500 Kbps more before reaching the maximum clipping The leftover 3500 Kbps 5000 1500 3500 is again given to the mai...

Страница 724: ...tal output data rate and what are the individual port output data rates ANSWER The Layer 3 QoS system first drains Priority 1 traffic Since the management data stream is only 200 Kbps after serving Pr...

Страница 725: ...00 100 Kbps Data 4 7 ASFD3 b011010 1 Mbps NA 400 100 Kbps Data 5 7 ASFD2 b010010 1 Mbps NA 500 100 Kbps Data 6 7 ASFD1 b001010 1 Mbps NA 800 100 Kbps Data 7 8 BE bXXXXXX 2 Mbps NA 0 Kbps Total 14 Mbps...

Страница 726: ...ffServ modes ASFD classes the QoS system operates as normal since the minimum has been met the available bandwidth is shared among all other same priorities in round robin fashion When the available d...

Страница 727: ...000 800 Kbps 9 0 Mbps 800 Kbps Voice 3 EXFD b101110 1 Mbps 8 0 Mbps 1Mbps Video 3 CS5 b101000 4 Mbps 4 0 Mbps 4 Mbps Data 1 4 CS4 b100000 550 Kbps 3450 Kbps 550 Kbps Data 2 5 CS3 b011000 1450 2000 Kbp...

Страница 728: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix M M 16 MN CDM 425 Notes...

Страница 729: ...ted cases tighter rolloffs do not provide an obvious benefit If on the other hand the assumptions of linearity and or frequency stability are not true then you should be aware of the potential degrada...

Страница 730: ...between six different values of Tx it now becomes important to match the Rx Alpha Rx accordingly Comtech EF Data has analyzed the effect of mismatching Tx and Rx and has concluded that there is littl...

Страница 731: ...mmand Line Interface CLI Remote Authentication Dial In User Service RADIUS is a networking protocol that provides centralized access authentication authorization and management for CDM 425 Advanced Sa...

Страница 732: ...The CDM 425 Advanced Satellite Modem RADIUS client recognizes the following value fields as assigned to the service type attribute in RADIUS Access Accept messages received from the RADIUS server and...

Страница 733: ...the HTTP GET request the CDM 425 Advanced Satellite Modem checks whether the user has been authenticated If not the modem returns HTTP 401 Unauthorized message to the User PC 3 The User PC transmits...

Страница 734: ...e to the User PC C Upon receiving the RADIUS Access Challenge message it transmits the PAP CHAP challenge response message to the Radius Server 7 Upon receiving the HTTP 201 OK message the user can br...

Страница 735: ...SNMP access can be disabled using System Admin access Configuration of RADIUS features is possible only through the HTTP Web Server Interface Admin Access page or by issuance of remote commands via Te...

Страница 736: ...ou log in using the Administrator Name and Password Refer to Chapter 7 ETHERNET BASED REMOTE PRODUCT MANAGEMENT for instructions on using RADIUS Configuration of RADIUS features is possible only using...

Страница 737: ...dem to Modem Configuration procedure assuming that a The Source Modem A and Target Modem B modems are running the latest available firmware versions see Chapter 4 UPDATING FIRMWARE b The Source Modem...

Страница 738: ...x xxx at the command line prompt where xxx xxx xxx xxx is the Source Modem Traffic Management IP Address The response should confirm whether the Source Modem is properly connected and communicating Fi...

Страница 739: ...ou would by using the Front Panel SELECT Store Ld Store screen Make sure that you are in the folder containing the Modem Configuration File config_file created in Sect Q 2 1 Use a text editor such as...

Страница 740: ...fault for both is comtech before you can continue There are otherwise no restrictions on FTP operations for CDM 425 Base Modem users Type put config_file config without quotes at the Command line ftp...

Страница 741: ...arrow keys to change that digit Press ENTER when done The IP Address that appears here is provided as an example only Make sure that you re use the Traffic Management IP Address that was assigned to...

Страница 742: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix P P 6 MN CDM 425 Notes...

Страница 743: ......

Страница 744: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...

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