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Comtech EF Data CDM-425, Installation And Operation Manual

The Comtech EF Data CDM-425 is a high-performance satellite modem designed for reliable communication. For detailed instructions on installation and operation, download the free manual from manualshive.com. Ensure seamless integration and optimal performance with this comprehensive user guide.

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CDM-425 Advanced Satellite Modem 

 

Revision 0 

 

Introduction 

1–32 

MN-CDM-425 

Table 1-6. The VersaFEC-2 ModCod Set – Long Block 

ModCod  Modulation  Code 

Rate 

Spectral 

efficiency, 

bps/Hz 

Block 

size, 

bits 

Typical * 

Es/No 

(SNR), for 

BER  = 1 x 10

-8 

(dB)

 

Latency 

at 

128 kbps 

(ms) 

Min. 

Data Rate, 

CCM Mode 

(kbps) 

Max. 

Data Rate, 

CCM Mode 

(Mbps) 

Min Sym 

Rate, ACM 

Mode 

(ksps) 

Max Sym 

Rate, ACM 

Mode 

(Msps) 

00 

BPSK 

0.489 

0.489 

4800 

-1.3 

79 

18.0 

6.1 

37 

12.5 

01 

QPSK 

0.489 

0.977 

9600 

1.5 

153 

18.0 

12.2 

37 

12.5 

02 

QPSK 

0.537 

1.075 

10560 

2.0 

170 

19.3 

13.4 

37 

12.5 

03 

QPSK 

0.586 

1.173 

11520 

2.6 

185 

21.1 

14.7 

37 

12.5 

04 

QPSK 

0.611 

1.221 

12000 

2.8 

193 

22.0 

15.3 

37 

12.5 

05 

QPSK 

0.635 

1.270 

12480 

3.2 

200 

22.9 

15.9 

37 

12.5 

06 

QPSK 

0.660 

1.319 

12960 

3.5 

208 

23.7 

16.5 

37 

12.5 

07 

QPSK 

0.684 

1.368 

13440 

3.7 

215 

24.6 

17.1 

37 

12.5 

08 

QPSK 

0.733 

1.466 

14400 

4.4 

231 

26.4 

18.3 

37 

12.5 

09 

8-ARY 

0.521 

1.564 

15360 

5.1 

246 

28.1 

19.5 

37 

12.5 

10 

8-ARY 

0.537 

1.612 

15840 

5.4 

254 

29.0 

20.2 

37 

12.5 

11 

8-ARY 

0.562 

1.686 

16560 

5.6 

265 

30.3 

21.1 

37 

12.5 

12 

8-ARY 

0.586 

1.759 

17280 

5.8 

276 

31.7 

22.0 

37 

12.5 

13 

8-ARY 

0.611 

1.832 

18000 

6.0 

287 

33.0 

22.9 

37 

12.5 

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 

25.0 

37 

11.8 

18 

8-ARY 

0.733 

2.199 

21600 

7.5 

345 

39.6 

25.0 

37 

11.4 

19 

16-ARY 

0.586 

2.345 

23040 

8.1 

368 

42.2 

25.0 

37 

10.7 

20 

16-ARY 

0.611 

2.443 

24000 

8.6 

383 

44.0 

25.0 

37 

10.2 

21 

16-ARY 

0.635 

2.541 

24960 

8.9 

398 

45.7 

25.0 

37 

9.8 

22 

16-ARY 

0.660 

2.638 

25920 

9.2 

413 

47.5 

25.0 

37 

9.5 

23 

16-ARY 

0.684 

2.736 

26880 

9.6 

429 

49.3 

25.0 

37 

9.1 

24 

16-ARY 

0.708 

2.834 

27840 

10.0 

444 

51.0 

25.0 

37 

8.8 

25 

16-ARY 

0.733 

2.932 

28800 

10.5 

459 

52.8 

25.0 

37 

8.5 

26 

16-ARY 

0.757 

3.029 

29760 

10.9 

474 

54.5 

25.0 

37 

8.3 

27 

16-ARY 

0.782 

3.127 

30720 

11.4 

489 

56.3 

25.0 

37 

8.0 

28 

32-ARY 

0.660 

3.298 

32400 

12.0 

517 

59.4 

25.0 

37 

7.6 

29 

32-ARY 

0.684 

3.420 

33600 

12.5 

535 

61.6 

25.0 

37 

7.3 

30 

32-ARY 

0.708 

3.542 

34800 

12.9 

554 

63.8 

25.0 

37 

7.1 

31 

32-ARY 

0.733 

3.664 

36000 

13.3 

573 

66.0 

25.0 

37 

6.8 

32 

32-ARY 

0.757 

3.787 

37200 

13.7 

592 

68.2 

25.0 

37 

6.6 

33 

32-ARY 

0.782 

3.909 

38400 

14.2 

610 

70.4 

25.0 

37 

6.4 

34 

32-ARY 

0.801 

4.007 

39360 

14.7 

625 

72.1 

25.0 

37 

6.2 

35 

32-ARY 

0.831 

4.153 

40800 

15.2 

648 

74.8 

25.0 

37 

6.0 

36 

32-ARY 

0.855 

4.275 

42000 

16.0 

667 

77.0 

25.0 

37 

5.8 

37 

32-ARY 

0.879 

4.397 

43200 

16.7 

685 

79.2 

25.0 

37 

5.7 

Summary of Contents for CDM-425

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 743: ......

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

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