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Comtech EF Data SLM-5650C CyberLynx, Инструкция по установке и эксплуатации

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SLM-5650C / SLM-5650C-ODU Satellite Modem 

 

Revision 1 

 

Appendix B 

B–9 

MN-SLM-5650C 

Modulation 

Type 

Overhead 

R-S Code 

Word 

R-S 

Depth 

Data Rate (kbps) 

Symbol Rate (ksps) 

Min 

Max 

Min 

Max 

QPSK 7/8 

IESS-309 

126,112 

4, 8, 16 

64 

8448 

43.886 

5792.914 

QPSK 7/8 

IESS-309 

219,201 

4, 8, 16 

64 

8448 

42.503 

5610.385 

QPSK 7/8 

IESS-309 

194,178 

4, 8, 16 

64 

8448 

42.516 

5612.112 

QPSK 7/8 

IESS-309 

225,205 

4, 8, 16 

64 

8448 

42.818 

5561.624 

QPSK 7/8 

IESS-309 

208,192 

4, 8, 16 

64 

8448 

42.463 

5604.181 

OQPSK 1/2 

None 

Off 

N/A 

64 

30000 

64 

30000 

OQPSK 1/2 

None 

126,112 

4, 8, 16 

64 

26666.666 

72 

29999.999 

OQPSK 1/2 

None 

219,201 

4, 8, 16 

64 

27534.246 

69.371 

29999.999 

OQPSK 1/2 

None 

194,178 

4, 8, 16 

64 

27525.773 

69.573 

30000 

OQPSK 1/2 

None 

225,205 

4, 8, 16 

64 

27333.333 

70.243 

29999.999 

OQPSK 1/2 

None 

208,192 

4, 8, 16 

64 

27559.809 

69.667 

30000 

OQPSK 1/2 

IESS-309 

Off 

N/A 

64 

8448 

68.267 

901.2 

OQPSK 1/2 

IESS-309 

126,112 

4, 8, 16 

64 

8448 

76.8 

10137.6 

OQPSK 1/2 

IESS-309 

219,201 

4, 8, 16 

64 

8448 

74.38 

9818.173 

OQPSK 1/2 

IESS-309 

194,178 

4, 8, 16 

64 

8448 

74.403 

9821.196 

OQPSK 1/2 

IESS-309 

225,205 

4, 8, 16 

64 

8448 

74.927 

9890.341 

OQPSK 1/2 

IESS-309 

208,192 

4, 8, 16 

64 

8448 

74.311 

9809.067 

OQPSK 3/4 

None 

Off 

N/A 

64 

20000 

42.666 

30000 

OQPSK 3/4 

None 

126,112 

4, 8, 16 

64 

40000 

48 

30000 

OQPSK 3/4 

None 

219,201 

4, 8, 16 

64 

41301.369 

46.487 

29999.999 

OQPSK 3/4 

None 

194,178 

4, 8, 16 

64 

41288.65 

46.502 

30000 

OQPSK 3/4 

None 

225,205 

4, 8, 16 

64 

41000 

46.829 

30000 

OQPSK 3/4 

None 

208,192 

4, 8, 16 

64 

41339.713 

46.444 

30000 

OQPSK 3/4 

IESS-309 

Off 

N/A 

64 

8448 

45.511 

6007.467 

OQPSK 3/4 

IESS-309 

126,112 

4, 8, 16 

64 

8448 

51.2 

6758.4 

OQPSK 3/4 

IESS-309 

219,201 

4, 8, 16 

64 

8448 

49.587 

6545.449 

OQPSK 3/4 

IESS-309 

194,178 

4, 8, 16 

64 

8448 

49.602 

6547.464 

OQPSK 3/4 

IESS-309 

225,205 

4, 8, 16 

64 

8448 

49.951 

6593.561 

OQPSK 3/4 

IESS-309 

208,192 

4, 8, 16 

64 

8448 

49.541 

6539.378 

OQPSK 7/8 

None 

Off 

N/A 

64 

20000 

36.571 

29622.857 

OQPSK 7/8 

None 

126,112 

4, 8, 16 

64 

46666.666 

41.143 

30000 

OQPSK 7/8 

None 

219,201 

4, 8, 16 

64 

48184.931 

39.846 

29999.999 

OQPSK 7/8 

None 

194,178 

4, 8, 16 

64 

48170.103 

38.859 

30000 

OQPSK 7/8 

None 

225,205 

4, 8, 16 

64 

47833.333 

40.139 

29999.999 

OQPSK 7/8 

None 

208,192 

4, 8, 16 

64 

48229.665 

39.81 

29999.999 

OQPSK 7/8 

IESS-309 

Off 

N/A 

64 

8448 

39.01 

4827.428 

OQPSK 7/8 

IESS-309 

126,112 

4, 8, 16 

64 

8448 

43.886 

5792.914 

Содержание SLM-5650C CyberLynx

Страница 1: ... Installation and Operation Manual Part Number MN SLM 5650C Revision 1 IMPORTANT NOTE The information contained in this document supersedes all previously published information regarding this product Product specifications are subject to change without prior notice ...

Страница 2: ...d SLM 5650C ODU features to Section 1 1 Added LNB voltage feature to Section 1 3 Added Section 3 3 3 for SLM 5650C ODU Ethernet connectors Added Note to Table 3 6 for SLM 5650C ODU Remote Connector DB 9F pinout Added information for SLM 5650C LNB voltage to Section 6 4 2 12 for ODU Controls Revised description for Item Number 5 in Table A 3 for SLM 5650C ODU Connectors and Indicators Updated manua...

Страница 3: ...s vi CHAPTER 1 INTRODUCTION 1 1 1 1 Overview 1 1 1 2 Functional Description 1 3 1 3 SLM 5650C SLM 5650C ODU Features 1 4 1 3 1 Physical Description 1 5 1 3 1 1 Dimensional Envelopes 1 5 1 3 2 Operational Features 1 7 1 3 2 1 Operating Modes 1 7 1 3 2 2 Secure Management Interfaces 1 7 1 3 2 3 Data Interfaces 1 7 1 3 2 3 1 10 100 1000BASE T Gigabit Ethernet 1 7 1 3 2 4 Independent Tx and Rx Functio...

Страница 4: ...MWARE 4 1 4 1 Updating Firmware 4 1 4 1 1 About Firmware Files Naming and Versions 4 1 4 2 Obtain Modem IP Address 4 2 4 3 Bulk Firmware Update Ethernet FTP Upload Procedure 4 2 CHAPTER 5 ETHERNET BASED MANAGEMENT 5 1 5 1 Introduction 5 1 5 2 Ethernet Management Interfaces Protocols 5 1 5 2 1 Secure Ethernet Management Interfaces 5 2 5 3 HTTP HTTPS Web Server Interfaces 5 3 5 4 SNMP Interface 5 4 ...

Страница 5: ... 4 1 Start of Packet 7 3 7 4 2 Target Address 7 4 7 4 3 Address Delimiter 7 4 7 4 4 Instruction Code 7 4 7 4 5 Instruction Code Qualifier 7 5 7 4 6 Optional Message Arguments 7 6 7 4 7 End Of Packet 7 6 7 5 Remote Commands Queries 7 7 7 5 1 Table Indexes 7 7 7 5 2 Initial Setup Priority Commands Queries 7 11 7 5 3 Modulator Tx Commands Queries 7 12 7 5 4 Demodulator Rx Commands Queries 7 17 7 5 5 ...

Страница 6: ...igher Rates B 5 B 1 5 IESS 308 Mode Extended B 8 B 1 6 IESS 309 Mode Extended Closed Network B 10 B 1 7 IESS 310 Mode Extended Rates B 11 B 1 8 Turbo Code Mode B 11 B 1 9 16 QAM Mode B 12 B 1 10 AUPC Mode B 12 B 1 11 AUPC Mode Sequential B 13 B 1 12 AUPC Mode Turbo B 14 B 1 13 NON SPREAD LDPC Mode Ultra Low Latency ULL B 14 B 1 14 NON SPREAD LDPC Mode Low Latency LL B 15 B 1 15 NON SPREAD LDPC Mod...

Страница 7: ...eed Solomon BER Performance 1 16 Table 1 15 LDPC ULL Decoder BER Performance 1 16 Table 1 16 LDPC LL Decoder BER Performance 1 17 Table 1 17 LDPC HP Decoder BER Performance 1 17 Table 3 1 SLM 5650C Connectors 3 2 Table 3 2 SLM 5650C ODU Connectors 3 3 Table 3 3 Indoor Unit L Band IF Interface Connectors 3 4 Table 3 4 Outdoor Unit L Band IF Interface Connectors 3 4 Table 3 5 SLM 5650C Remote Connec...

Страница 8: ...e 6 10 Figure 6 10 Admin FAST Page 6 11 Figure 6 11 Admin Upgrade Page 6 12 Figure 6 12 Configuration Modem Page 6 13 Figure 6 13 Configuration Utils Page 6 16 Figure 6 14 Configuration LoadStore Page 6 21 Figure 6 15 Configuration Spreading Page 6 22 Figure 6 16 Configuration AUPC Page 6 23 Figure 6 17 Configuration ODU Page 6 24 Figure 6 18 Configuration TRANSEC Page 6 25 Figure 6 19 Status Stat...

Страница 9: ... Spread Spectrum 1 2 Eb No Energy per Bit Eb to the Spectral Noise Density No EIA Electronic Industries Association Preface ii EVM Error Vector Magnitude A 7 FCS Frame Check Sequence 6 32 FDMA Frequency Division Multiple Access 1 2 FEC Forward Error Correction 1 2 FIFO First In First Out 6 18 FPGA Field Programmable Gate Array 6 31 FTP File Transfer Protocol 4 1 GbE Gigabit Ethernet 1 7 HP High Pe...

Страница 10: ...2 N O Normally Open 1 2 NMS Network Management System 5 1 OID Object Identifier 5 3 PC Personal Computer 1 2 PEM Privancy enhanced Electronic Mail 6 5 QO Query Operator 7 5 RF Radio Frequency 1 4 SLL Secure Socket Layer 5 2 SNMP Simple Network Management Protocol 1 2 SWaP Size Weight and Power 1 1 TEK Transmission Encryption Keys TRANSEC Transmission Security B 1 TPC Turbo Product Coding 1 2 UART ...

Страница 11: ...us degrees Hz Hertz kHz kilo Hertz dB decibel dBc Decibels relative to the carrier dBm Decibel milliwatts F Fahrenheit degrees Kbps Kilobit per second kg kilogram ksps Kilo symbols per second lbs pounds mA Milli amp Mbps Megabit per second MHz Megahertz mm millimeter ms millisecond Msps Mega symbols per second mW milliwatt in inch ųF micro farads W Watt V Volt ...

Страница 12: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Table of Contents TOC 10 BLANK PAGE ...

Страница 13: ...or the operation and maintenance for both of the SLM 5650C modems Conventions and References Patents and Trademarks See all of Comtech EF Data s Patents and Patents Pending at http patents comtechefdata com Comtech EF Data acknowledges that all trademarks are the property of the trademark owners Related Documents The following documents are referenced in this manual Department of Defense DOD MIL S...

Страница 14: ...N indicates a hazardous situation that if not avoided may result in minor or moderate injury CAUTION may also be used to indicate other unsafe practices or risks of property damage A NOTE gives you important information about a task or the equipment A REFERENCE directs you to important operational information or details furnished elsewhere either in the manual or in adjunct Comtech EF Data publica...

Страница 15: ...andard Electrical Installation Connect the unit to a power system that has separate ground line and neutral conductors Do not connect the unit without a direct connection to ground Class I Pluggable Equipment Type A Protective Earthing The cable distribution system telecommunication network of this product relies on protective earthing and the integrity of the protective earthing must be ensured I...

Страница 16: ... AMBIENT TEMPERATURES LESS THAN 10 C 14 F OR MORE THAN 50 C 122 F FOR THE INDOOR UNIT AND LESS THAN 32 C 26 F OR MORE THAN 65 C 149 F FOR THE OUTDOOR UNIT PRECIPITATION CONDENSATION OR HUMID ATMOSPHERES OF MORE THAN 95 RELATIVE HUMIDITY FOR THE INDOOR UNIT UNPRESSURIZED ALTITUDES OF MORE THAN 3000 METRES 9842 FEET EXCESSIVE DUST FOR INDOOR UNIT FLAMMABLE GASES CORROSIVE OR EXPLOSIVE ATMOSPHERES Pr...

Страница 17: ...t to the buyer of the repaired or replaced parts Limitations of Warranty The warranty does not apply to any part of a product that has been installed altered repaired or misused in any way that in the opinion of Comtech EF Data Corporation would affect the reliability or detracts from the performance of any part of the product or is damaged as the result of use in a way or with equipment that had ...

Страница 18: ...ta Corporation s products the aforementioned warranty and shall indemnify and hold harmless Comtech EF Data Corporation from any claims or liability of such purchaser lessee or user based upon allegations that the buyer its agents or employees have made additional warranties or representations as to product preference or use The remedies provided herein are the buyer s sole and exclusive remedies ...

Страница 19: ... Modem Outdoor Unit The SLM 5650C CyberLynxTM Satellite Modem is offered in two unique packages The SLM 5650C indoor unit referred to as the SLM 5650C shown in Figure 1 1 uses conductive cooling and provides for mounting in any orientation via either the thermal mounting rails or directly to the top or bottom surface The SLM 5650C outdoor unit referred to as the SLM 5650C ODU shown in Figure 1 2 i...

Страница 20: ...SS waveform and Comtech EF Data CEFD proprietary Low Density Parity Check LDPC Forward Error Correction FEC in three block sizes Ultra Low Latency ULL Low Latency LL High Performance HP and Turbo Product Code TPC FEC 3 4 5 16 21 44 17 18 and 7 8 code rates Is compliant with the provisions of Department of Defense DoD Standard MIL STD 188 165A Interoperability of SHF Satellite Communications PSK Mo...

Страница 21: ...it DAC 20MHz Clock Distribution 5V Threaded Locking Connector M C Config IP RX RGMII Figure 1 3 SLM 5650C SLM 5650C ODU Block Diagram Figure 1 3 depicts the functional block diagram for the SLM 5650C and SLM 5650C ODU Both modems have been designed to accommodate a wide range of currently required features and to support both near and long term advances in software defined radio technology as well...

Страница 22: ...t Ethernet Bridge Full featured built in Bit Error Rate BER test set Adaptive Equalizer for high order modulation types 8 kbps to 155 52 Mbps Modulation code rate and interface dependent BPSK QPSK OQPSK 8PSK 8QAM and 16QAM FEC Rates 5 16 1 3 1 2 2 3 3 4 5 6 7 8 21 44 7 8 17 18 378 451 541 Uncoded Viterbi Viterbi Reed Solomon and Sequential coding TPC codec LDPC coding in three block sizes ULL LL a...

Страница 23: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Introduction 1 5 MN SLM 5650C 1 3 1 Physical Description 1 3 1 1 Dimensional Envelopes Figure 1 4 SLM 5650C Indoor Unit Dimensional Envelope ...

Страница 24: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Introduction 1 6 MN SLM 5650C Figure 1 5 SLM 5650C ODU Dimensional Envelope ...

Страница 25: ...000BASE T GbE INTERFACE The 10 100 1000BASE T Gigabit Ethernet or GbE interface performs a simple bridge function and passes IP packets unaltered in each direction between the Local Area Network LAN 10 100 1000BASE T interface and Wide Area Network WAN modulator demodulator IP packet traffic is framed via High level Data Link Control HDLC encapsulation by the modem logic and the modem is both the ...

Страница 26: ...ator output to the demodulator input When normal operation is again selected all of the previous receive frequency is restored 1 3 2 6 Updating Modem Firmware Chapter 4 UPDATE FIRMWARE Both modems store their firmware in flash memory which allows the modems to upload firmware downloads from an external PC once Ethernet connectivity has been established Firmware updates may be obtained free from CE...

Страница 27: ...ndent Refer to Appendix B INT REF Stability 6 x 10 8 Scrambling V 35 and Synchronous Built in Test BIT Fault and status reporting BER performance monitoring IF Loop back programmable test modes built in Fireberd emulation with all comprehensive BER measurements Monitor and Control EIA 232 10 100 1000BASE T Ethernet with HTTP HTTPS Telnet and SNMP Table 1 3 Summary of Modulator Specifications Modul...

Страница 28: ...to 10 log10 SR 32000 75 dBM SR 3 2 Msps where SR is in symbols per second Maximum Composite 20 dBm or 40 dBc Input Impedance 50 Ω Input Connectors Indoor SMA Outdoor N Type Carrier Acquisition Range 30 kHz selectable Input Return Loss 9 dB L Band Table 1 5 Summary of Coding Options Coding Options Parameter Specifications Uncoded Viterbi Viterbi RS Per MIL STD 188 165A Sequential Closed Network Tur...

Страница 29: ...n is achieved as follows after a period of up to 15 minutes of the absence of signal when the carrier returns to within 500 Hz of its original frequency For baseband data rates between 64 kbps and 128 kbps the maximum reacquisition time shall be 45 seconds For baseband data rates between 128 kbps and 1544 kbps the maximum reacquisition time shall be 20 seconds For baseband data rates greater than ...

Страница 30: ... 7 Operating with 8PSK modulation and rate 2 3 pragmatic Trellis coding without Reed Solomon outer coding both modems vs Eb No performance is less than or equal to the values shown in Table 1 10 when tested in an IF back to back configuration Operating with 8PSK modulation rate 2 3 pragmatic Trellis coding and Reed Solomon 219 201 outer coding both modems vs Eb No performance is better than or equ...

Страница 31: ...tion formats indicated Sequential Mode Performance Both modems operating in the Sequential Mode provides back to back BER vs Eb No performance better than or equal to the values shown in Table 1 14 when using the modulation formats indicated LDPC Coding Mode Performance Both modems operating in an LDPC Mode provides back to back BER vs Eb No performance better than or equal to the values shown in ...

Страница 32: ...11 6 10 7 6 5 7 8 9 0 12 4 10 8 7 1 8 3 9 5 13 0 BPSK QPSK Offset QPSK Viterbi Decoding and Reed Solomon Table 1 9 BSPK QPSK OQPSK Viterbi with Reed Solomon Decoder BER Performance Eb No dB Specifications Viterbi Decoder with Reed Solomon BER 1 2 3 4 7 8 10 6 4 1 5 6 6 7 10 7 4 4 6 0 7 1 10 8 5 0 6 3 7 5 8PSK Trellis Decoder Table 1 10 8PSK Trellis Decoder BER Performance Eb No dB Specifications T...

Страница 33: ... Table 1 12 16QAM Viterbi Decoder with Reed Solomon BER Performance Eb No dB Specifications Viterbi Decoder with Reed Solomon BER 3 4 7 8 10 6 8 2 9 5 10 7 8 4 9 8 10 8 8 6 10 1 10 9 8 8 10 3 10 10 9 0 10 6 Turbo Product Code TPC Decoding Table 1 13 TPC Decoder BER Performance Eb No dB Specifications Turbo Product Code Decoder BER BPSK QPSK OQPSK 8PSK 16QAM 21 44 5 16 21 44 3 4 7 8 17 18 3 4 7 8 1...

Страница 34: ...ER BPSK QPSK OQPSK 1 2 1 2 3 4 7 8 Sequential 64 kbps 10 5 4 8 4 8 5 8 7 0 10 6 5 2 5 2 6 4 7 5 10 7 5 6 5 6 6 9 8 0 Sequential 1544 kbps 10 5 5 2 5 2 5 9 7 2 10 6 5 7 5 7 6 5 7 7 10 7 6 1 6 1 7 0 8 3 Sequential RS 225 205 10 6 4 4 4 4 5 0 5 6 10 7 4 6 4 6 5 3 6 0 10 8 4 8 4 8 5 6 6 4 LDPC ULL Decoding Table 1 15 LDPC ULL Decoder BER Performance Eb No dB Specification BER BPSK QPSK 1 2 1 2 2 3 3 4...

Страница 35: ... 5 8 6 8 6 3 7 0 8 2 10 8 2 1 2 3 2 5 2 7 3 3 3 9 4 9 5 3 5 9 7 0 6 4 7 1 8 3 LDPC HP Decoding Table 1 17 LDPC HP Decoder BER Performance Eb No dB Specification BER BPSK O QPSK 8QAM 16QAM 1 3 1 2 1 2 2 3 3 4 2 3 3 4 3 4 10 5 2 0 2 0 2 0 2 4 3 0 4 7 5 7 6 8 10 6 2 1 2 1 2 1 2 5 3 1 4 8 5 8 6 9 10 7 2 2 2 2 2 2 2 6 3 2 4 9 5 9 7 0 10 8 2 3 2 3 2 3 2 7 3 3 5 0 6 0 7 1 BER Performance with Adjacent Ca...

Страница 36: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Introduction 1 18 MN SLM 5650C BLANK PAGE ...

Страница 37: ...threaded holes on the top bottom and five on the side of each ear There are also four through holes in the body of the enclosure See Figure 1 4 for mounting hole locations The threaded mounting holes are 6 32 At least 0 25 inches of thread should be engaged for mounting The through holes are sized for 8 hardware Critical items to consider when designing the installation are Drawing heat away from ...

Страница 38: ...ed connector may also be used 2 4 Configuration If there is any problem with installation or initial operation read Appendix A TROUBLESHOOTING for possible solutions Chapter 1 INTRODUCTION All configurations are implemented locally via the unit s loaded firmware Step Task 1 Read Chapter 1 INTRODUCTION before continuing 2 Connect the power cable 3 Turn power ON 4 Do a check for the correct transmit...

Страница 39: ...d for this rate e Data 8 bit f Parity None g Stop 1 h Flow Control None 4 Change the modems IP address Enter the following commands a What is the IP Address Input 0 IPA Displays 0000 IPA 192 168 001 011 24 b Change the IP address Input the new IP address 0 IPA 192 168 001 021 24 c Confirm IP address Input 0 IPA Displays 0000 IPA 192 168 001 021 24 5 Verify high security setting for SNMP V3 is turn...

Страница 40: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Installation 2 4 MN SLM 5650C BLANK PAGE ...

Страница 41: ...INOUTS 3 1 Overview 3 1 1 SLM 5650C Connector Overview The SLM 5650C connectors Figure 3 1 provide all necessary external connections between the modem and other equipment Table 3 1 summarizes the connectors grouped according to service function Note that the indoor unit does not support an On Off switch Figure 3 1 SLM 5650C Connectors ...

Страница 42: ...strial Data Sect 3 3 MANAGEMENT RJ 45 female 10 100Base T Remote Control TRAFFIC RJ 45 female 10 100 1000Base T Utility Sect 3 4 REMOTE 9 pin Type D female2 Serial Remote Interface RS232 Analog Automatic Gain Control AGC Voltage and Constellation Monitor Power Ground Sect 3 5 5 VDC POWER IN Coaxial 5 5mm 2 5mm DC Power Jack Modem Power The DB9 connector provided on the rear panel features threaded...

Страница 43: ...onnectors Table 3 2 SLM 5650C ODU Connectors Connector Group Name Connector Type Function IF Sect 3 2 Tx N Type female L Band IF Output Rx N Type female L Band IF Input Terrestrial Data Sect 3 3 MANAGEMENT RJ 45 female 10 100Base T Remote Control TRAFFIC RJ 45 female 10 100 1000Base T Utility Sect 3 4 REMOTE 9 pin Type D male Serial Remote Interface RS232 Analog AGC Voltage Summary Alarm External ...

Страница 44: ... Note The RF spectrum must fit within the L Band range 3 2 2 SLM 5650 ODU Tx Rx L Band IF Interface Connectors The L Band IF Interfaces use standard 50 Ω N Type female connectors Table 3 4 Outdoor Unit L Band IF Interface Connectors Note The RF spectrum must fit within the L Band range L Band IF Connector Description Direction Tx 950 2000 MHz Transmit Output Rx 950 2000 MHz Receive Input L Band IF...

Страница 45: ... Management Connector RJ 45 The Management Ethernet connection is an 8 pin type RJ 45 10 100 1000Base T connector Remote control of the modem is provided using SNMP HTTP HTTPS or Telnet with this port Auto Negotiate only 3 3 3 SLM 5650C ODU Ethernet Connectors The SLM 5650C ODU incorporates sealed RJ45 Ethernet connectors Connectors Samtec RPBE series Mating Connectors Samtec RCE series AcclimateT...

Страница 46: ...erminal it provides a means to monitor the real time I and Q samples from the demodulator constellation monitor and it provides a receive signal strength indicator that can be used to aid in peaking an antenna The DB9 connector is not a standard RS 232 serial port pinout Table 3 5 SLM 5650C Remote Connector DB 9F Pinout Pin Signal Function Name 7 Not Connected NC 3 Receive Data RS232 input RD 8 Re...

Страница 47: ...onnector is not a standard RS 232 serial port pinout Table 3 6 SLM 5650C ODU Remote Connector DB 9F Pinout Pin Signal Function Name 7 Receive I Channel Constellation Monitor RXI_MON 3 Receive Data RS232 input RD 8 Summary Fault NO FAULT Normally Closed SUMMARY FAULT NC 1 AGC Monitor 0 to 5V AGC 6 External Mute EXT MUTE 2 Transmit Data RS232 output TD 4 Receive Q Channel Constellation Monitor RXQ_M...

Страница 48: ...tor A MIL C 26482 series circular poer receptacle Male 4 Pin connector provide the input for the 11 VDC to 33 VDC input voltage See Table 3 8 for specifications Table 3 8 SLM 5650C ODU Power Connector Table 3 9 SLM 5650C ODU Power Connector Pinout Pin Signal Function Range A DC Voltage Psostive 11 VDC to 33 VDC B DC Voltage Psostive 11 VDC to 33 VDC C Ground D Ground DC Voltage 5V Nominal 6V maxim...

Страница 49: ...n external user PC once Ethernet connectivity has been established with the modem This chapter outlines the complete firmware updating process as follows Perform the update without opening the modem by connecting the unit to the Ethernet port of the user PC Obtain the firmware update via email from customer support and extract it to the user PC Transfer the firmware update via File Transfer Protoc...

Страница 50: ...o parity and 1 stop bit 4 Issue the IPA remote command see Chapter 7 REMOTE CONTROL for command syntax 5 Open a DOS command window on the user PC and ping the modem using the IP Address returned in step 4 Syntax is ping xxx xxx xxx xxx 6 Issue the MIS remote command see Chapter 7 REMOTE CONTROL for command syntax 7 If Secure mode is ON turn it OFF using the MIS command and reboot the modem 8 Estab...

Страница 51: ...es Ethernet based remote M C of the modem through the following management protocols Web Server HTTP or HTTPS Interface The non secure HTTP or secure HTTPS interface requires a compatible user supplied web browser such as Internet Explorer FireFox or Google Chrome Simple Network Management Protocol SNMP with Public and Private Management Information Base MIB The non secure SNMPv1 v2c or secure SNM...

Страница 52: ...on When Management Security is disabled i e SNMPv1 v2c is selected o HTTP may be used o Telnet protocol may be used o FTP protocol may be used for firmware upgrade or Secure Socket Layer SSL certificate upload o SNMP v1 v2c protocol may be used When Management Security is enabled i e SNMPv3 is selected o HTTPS protocol may be used o Telnet protocol is disabled o FTP protocol is disabled o SNMP v3 ...

Страница 53: ...HTTPS depending on the modem s security level setting See Chapter 6 MODEM CONFIGURATION All Web Server Interfaces are accessible by typing depending on the interface and or management mode http xxx xxx xxx xxx or https xxx xxx xxx xxx into the browser s Address box where xxx xxx xxx xxx is the IP address of the modem or optional installed interface See Chapter 4 UPDATE FIRMWARE Sect 4 2 for instru...

Страница 54: ...called Object Identifiers OIDs Each OID provides remote management of a particular function These MIB files should be compiled in a user supplied MIB Browser or SNMP Network Monitoring System server The following MIB files are associated with the modem MIB File Name x indicates revision letter Description Fwxxxxx xx mib ComtechEFData MIB file CEFD MIB file gives the root tree for ALL CEFD products...

Страница 55: ...ree Community Strings for SNMP access Read Community default public Write Community default private Trap Community default comtech Note Maximum number of characters for community strings shall not exceed 20 All printable ASCII characters except and are allowed No trailing spaces for community strings For proper SNMP operation the modems MIB files must be used with the associated version of the mod...

Страница 56: ...SNMPv2 notifications Table 5 1 Alarms and Faults SNMPv1 Traps slm5650UnitAlarmV1 62471211 slm5650TxTrafficAlarmV1 62471212 slm5650RxTrafficAlarmV1 62471213 Table 5 2 Alarms and Faults SNMPv2c SNMPv3 Notification slm5650UnitAlarmV2 1 3 6 1 4 1 6247 121 2 1 1 slm5650TxTrafficAlarmV2 1 3 6 1 4 1 6247 121 2 1 2 slm5650RxTrafficAlarmV2 1 3 6 1 4 1 6247 121 2 1 3 ...

Страница 57: ...nterface Chapter 7 REMOTE CONTROL A Telnet interface is provided for the purpose of Equipment M C via the standard Remote Control protocol The Telnet interface requires login at the Administrator and Read Write User Access Levels An example of the login process is shown below Figure 5 1 Telnet Login Screen ...

Страница 58: ...n 1 Ethernet Based Management 5 8 MN SLM 5650C Once logged into the Telnet interface the standard remote control interface as defined in Chapter 7 REMOTE CONTROL is accessible as shown in this next example Figure 5 2 Telnet Remote Control Interface ...

Страница 59: ...edded web applications are designed for and work best with Microsoft s Internet Explorer Version 7 0 or higher See the Remote Commands Specifications tables found in Chapter 7 REMOTE CONTROL for detailed descriptions of the configuration parameters featured on the individual web pages shown in this chapter 6 2 1 User Login Chapter 2 INSTALLATION All Web Server Interfaces are accessible by typing d...

Страница 60: ...e and Password whether via an integrated Web page or a dialog box like the one shown to the right For all interfaces the default for both is comtech Figure 6 2 Windows Security Screen Once the valid User name and Password is accepted the browser window displays the SLM 5650C as the Base Modem Web Interface Home page for both the SLM 5650C and the SLM 5650C ODU Figure 6 3 Web Interface Home Page ...

Страница 61: ...do not take effect until a selection has been saved to non volatile memory There may be one execution button per page or multiple execution buttons within a page section The label for each of these buttons is generally self explanatory e g Submit Clear Refresh etc All execution buttons serve the same purpose to save the configuration changes to non volatile memory or to execute an update of the ac...

Страница 62: ... Interface Menu Tree The following menu tree illustrates the options available via the Modem Web Interface Home Admin Configuration Status Home Access Modem Status Contact SNMP Utils Info Upgrade LoadStore EventLog Spreading ModemStatistics AUPC PortStatistics ODU ConfigLog TRANSEC Firmware This interface provides access to four navigation tabs shown in blue Home Admin Configuration Status Beyond ...

Страница 63: ... a directory list with a single entry that says README TXT 6 Open another My Computer Windows Explorer not Internet Explorer window and navigate to the directory that includes the PEM file The first eight characters of the PEM file must contain the letters 5650C 7 Click on the file and drag it to the My Computer Windows Explorer not Internet Explorer window that displays the README TXT and drop it...

Страница 64: ...face Page Descriptions 6 4 1 Home Page Select the Home tab to continue Home Home From any location within the Modem Web Interface click the Home top navigation tab to return back to this top level page Use this page to identify the product and its current operating firmware version Figure 6 5 Home Home Page ...

Страница 65: ... SLM 5650C ODU Satellite Modem Revision 1 Modem Configuration 6 7 MN SLM 5650C Home Contact The Contact page provides information on how to contact CEFD for sales or service support Figure 6 6 Home Contact Page ...

Страница 66: ...ired to communicate with the Modem Web Interface The Admin pages are available only to users who have logged in using the Administrator Name and Password Click the Access or Remote hyperlink to continue Admin Access Figure 6 7 Admin Access Page Click Submit Admin once the desired configuration settings have been made on this page The Host IP is the Network Interface IP and mask of the configuratio...

Страница 67: ...M 5650C Admin SNMP Chapter 5 ETHERNET BASED MANAGEMENT Use this page to set and return administration information for the SNMP feature Figure 6 8 Admin SNMP Page Click Submit to save any changes made on this page Click Reboot Now to reboot the modem to apply any SNMP Version change ...

Страница 68: ...llite Modem Revision 1 Modem Configuration 6 10 MN SLM 5650C Admin Time Use this page to set the SNTP Server Address local time and modem time and date Figure 6 9 Admin Time Page Click Submit to save any changes made on this page ...

Страница 69: ...register specific 20 character FAST access code in sequence and then click Enter when done Up to three FAST Codes can be entered simultaneously A message will display at the top of this section that states whether or not the codes are accepted or if the upgrade is successful Demo Time Remaining FAST Options Demo Mode allows access to all modem options for 30 calendar days This section displays the...

Страница 70: ...e Use this page to REFLASH the modem and change the active firmware image Figure 6 11 Admin Upgrade Page There are two firmware slots in the modem One is operational and the other is for the older firmware To upgrade the firmware follow the procedures shown in Figure 6 11 FW xxxxxxx ZIP FW xxxxxxx ZIP ...

Страница 71: ...SEC tabs to continue Configuration Modem Use this page to configure modem configuration parameters including Modem Frequency Band Transmit Receive and Tx Power Level The Configuration Pages may change slightly depending on the modem type selected Not all modem parameters are valid and could be hidden when certain modem types are selected Figure 6 12 Configuration Modem Page Click Submit as needed ...

Страница 72: ...ead Adding overhead will add a small percentage of data to the symbol rate of the modem Automatic Uplink Power Control AUPC is used to manage the modem Tx power level when the System is impaired by adverse weather conditions FEC Type The FEC Type selection is dependant on the Modem Type Selecting Turbo as a Modem Type will change the FEC Type to Turbo Reed Solomon Encoder Reed Solomon Is available...

Страница 73: ...n called the Chip Rate Polyn Polynomial 1 is compatible with the SLM 5650B It is not backwards compatible with the SLM 5650A Polynomial 0 is backwards compatible with the SLM 5650A and SLM 5650B GSN The GSN sets or returns the Tx Spreading Equation in the form abbbb where a 0 for Polynomial 0 or 1 for Polynomial 1 For Polyn 0 the GSN can be any number between 0 9999 For Polyn 1 the GSN can be any ...

Страница 74: ...ration Utils Use this page to configure modem operating parameters including Real Time Clock Test Modes Tx Miscellaneous Rx Miscellaneous Circuit ID Built in BERT 20 MHz Reference Adjust and AGC Monitor Figure 6 13 Configuration Utils Page Click Submit as needed in each section to save any changes ...

Страница 75: ... Modem Type An amber TEST indicator on the far right of the Web page will turn on and off to indicate that a test test mode is on The BERT functions are included in Test Modes Turn all test modes off during normal operation Tx Misc GBEI Flow Control GBEI Flow Control manages Ethernet Flow by sending out pause frames when the Ethernet stream becomes congested The directly attached Network device mu...

Страница 76: ...e GBEI WAN Buffer Length The GBEI WAN Buffer Length is the setting for the Tx Buffer for Ethernet data It does not directly add to the processing delay for the Tx Ethernet data However setting this too small will cause packet drops View the Status Port Statistics Tx First In First Out FIFO Full to determine if the buffer needs to be larger The Tx FIFO will overflow and count packet drops if the GB...

Страница 77: ...sked RxData events can also be set to report all ones for no data Eb No Alarm Point The Eb No Alarm point can be set to a specific value to report an event if the Eb No falls below a desired value Modem Events are reported under the Status Event Log Tab Click on the Code value to read the event Circuit ID The modem operator can designate a Circuit ID for the modem Use only numbers and capital lett...

Страница 78: ...erator can insert 1 error to confirm BERT operation 20 MHz Reference Adjust This adjustment affects the Carrier frequency BUC reference and the LNB reference The demodulator may not lock if the 20 MHz Reference is not adjusted properly when the modem has DSSS spreading turned on Make sure the Frequency Counter reference is extremely accurate before adjusting Oscillator stability 6 x 10 8 AGC Monit...

Страница 79: ... Use this page to load or store modem configurations Figure 6 14 Configuration LoadStore Page Click Submit to save any changes made on this page Description Parameters Load Store Modem Configuration There are 10 slots for saved configurations They are used when there is a need to recall many modem configurations ...

Страница 80: ...alculator is used to determine the Chip Rate and Occupied bandwidth when DSSS spreading is used It can be used to calculate or configure the Tx or Rx of the modem Spreading is used in LDPC mode BPSK View Load Store Configuration This is used to confirm that there is a stored modem configuration in one of the ten slots and to load and store a configuration To view Change the Configure Number and se...

Страница 81: ... 5650C Configuration AUPC Use this page to set the AUPC parameters Figure 6 16 Configuration AUPC Page Description Parameters AUPC Params This can be used by selecting overhead type as AUPC when the Modem type is set at either AUPC or LDPC AUPC overhead adds 6 6665 to the symbol rate ...

Страница 82: ... ODU Control The LNB voltage is selectable at 13 VDC or 18 VDC LNB DC Power Only turn on when connected to an LNB otherwise leave it off to avoid damage to other modems or test equipment LNB Current Threshold Set to a low and high value limits to report modem events when the LNB current is out of range LNB Status The LNB Status reports the LNB current and voltage of the LNB For the SLM 5650C the L...

Страница 83: ...cters upper and lower case only Set the Frame Length The frame length can be set to any integer number between 1 and 16 The frame length must match The frame length can be changed when on or off line 2 Click on Generate keys 3 Confirm the key signatures match 4 Select Operating Mode in Encryption Parameters a Primary or b Secondary The Current Transmission Encryption Key TEK increment is initiated...

Страница 84: ...to set the Future Key 1 Enter the Future Key seed key and passphrase 2 Generate the Future Key The key signature must match on both modems Encryption Parameters Frame Length Large frame sizes use less overhead and are more efficient However a greater number of information bits in the packet are impacted in noisy operating conditions Small frame sizes use more overhead but fewer bits are impacted w...

Страница 85: ...s Event Log Modem Statistics Ethernet Port Statistics Network Processor Statistucs Configuration Log and Firmware Information Select the Status Info EventLog ModemStatistics PortStatistics ConfigLog or Firmware tabs to continue Status Status Use this read only page to view the modem s current configuration and operation parameters Alarms Rx Parameters Symbol Rates BERT Chip Rates General Status In...

Страница 86: ... SLM 5650C ODU Satellite Modem Revision 1 Modem Configuration 6 28 MN SLM 5650C Status Info Use this read only page to view general information about the modem and installed options Figure 6 20 Status Info Page ...

Страница 87: ...he log Once the log is cleared the next time Refresh is clicked any new events are logged and numbered beginning with 1 Description Parameters Event Log Event Date Time The first three columns display the event by the order in which it was logged along with the date and time the event was recorded Type The event is identified by its type in this column Four event types are classified Info Unit Tx ...

Страница 88: ...umns display the statistic by the order in which it was logged along with the date and time the event was recorded Min Eb No Avg Eb No Click Refresh to update the display with the most recently logged statistics Click Clear Log to clear the log of all visible statistics Once the log is cleared the next time Refresh is clicked any new statistics will be logged beginning with the number 1 Modem Stat...

Страница 89: ... LAN WAN and Field Programmable Gate Array FPGA Figure 6 23 Status Port Statistics Page Description Parameters Port Statistics The Port Statistics page consists of a table of 64 bit counters Table 6 1 defines the individual counters RX Frame Errors and Rx discards are normal when the Internal BERT is turned on The errors occur as the internal BERT is overwriting the normal Ethernet Frame ...

Страница 90: ...have a Multicast destination Medium Access Control MAC address Broadcast out The number of packets sent that have a Broadcast destination MAC address Unicast Out The number of packets sent that have a Unicast destination MAC address Octets Out The number of bytes sent FCS Errors in Total packets received with a CRC error not counted in Fragments In Jabber In or Rx Errors In Rx Errors in Total pack...

Страница 91: ...he page The selections are Logging Off Front Panel n a No Front panel Serial Remote Web SNMP Telnet NP Mailbox n a No Network Processor plug in card TransecMailbox n a Transec is not a plug in card When selecting the logging level the modem will log changes from the current level and all prior levels For example selecting Web will enable logging for the WEB pages and Serial Remote The visible disp...

Страница 92: ...LM 5650C SLM 5650C ODU Satellite Modem Revision 1 Modem Configuration 6 34 MN SLM 5650C Description Parameters Change the Loopback to OFF and then back ON These are the commands initiated for that change ...

Страница 93: ...C SLM 5650C ODU Satellite Modem Revision 1 Modem Configuration 6 35 MN SLM 5650C Status Firmware Use this read only page to view information about the boot firmware and bulk firmwares programmed into the modem ...

Страница 94: ...lite Modem Revision 1 Modem Configuration 6 36 MN SLM 5650C Status Constellation Use this read only page to view information about the boot firmware and bulk firmwares programmed into the modem Figure 6 25 Status Constellation Page ...

Страница 95: ...d in packets of variable length in accordance with the structure and protocol defined in later sections 7 2 EIA 232 This is a much simpler configuration in which the Controller device is connected directly to the Target via a two wire plus ground 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 dire...

Страница 96: ...he transmission of data Targets are only permitted to transmit when they have been specifically instructed to do so by the Controller All bytes within a packet are printable ASCII characters less than ASCII code 127 In this context the Carriage Return and Line Feed characters are considered printable All messages from Controller to Target require a response This will be either to return data which...

Страница 97: ...35 TFQ 70 2345 CR Target to Controller Start of Packet Target Address Address Delimiter Instruction Code Code Qualifier Optional Arguments End of Packet ASCII code 62 1 character 4 characters ASCII code 47 1 character 3 characters or ASCII codes 61 63 33 or 42 1 character From 0 to n characters Carriage Return Line Feed ASCII codes 13 10 2 characters Example 0654 RSW 32 CR LF 7 4 1 Start of Packet...

Страница 98: ...e Controller does not have its own address 7 4 3 Address Delimiter This is the forward slash character ASCII code 47 7 4 4 Instruction Code This is a three character alphabetic sequence which identifies the subject of the message Wherever possible the instruction codes have been chosen to have some significance e g TFQ for transmit frequency RMD for receive modulation type etc This aids in the rea...

Страница 99: ...to a particular value then providing the value sent is valid the Target will acknowledge the message by replying with TFQ with no message arguments ASCII code 63 If the Controller sends an instruction to set a parameter to a particular value then if the value sent is not valid the Target will acknowledge the message by replying for example with TFQ with no message arguments This indicates that the...

Страница 100: ... Remote mode it will not allow reconfiguration and will respond with TFQ 7 4 6 Optional Message Arguments Arguments are not required for all messages Arguments are ASCII codes for the characters 0 to 9 ASCII codes 48 to 57 period ASCII code 46 and comma ASCII code 44 7 4 7 End Of Packet Controller to Target This is the Carriage Return character ASCII code 13 Target to Controller This is the two ch...

Страница 101: ... 3 Modulator Tx Commands Queries CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE BEI X X 7 13 TCW X X 7 14 TFM X X 7 12 TRD X X 7 15 TSI X X 7 16 BTX X X 7 13 TDE X X 7 14 TFQ X X 7 14 TRS X X 7 15 TXF X 7 16 TBO X X 7 13 TDF X X 7 14 TFT X X 7 12 TSC X X 7 15 TXO X X 7 16 TCI X X 7 14 TDI X X 7 14 TMD X X 7 12 TSE X X 7 15 TCR X X 7 13 TDR X X 7 13 TPL X X 7 15 TSF X X 7 16 ...

Страница 102: ...T X X 7 28 CAS X 7 23 EBA X X 7 24 LOP X X 7 27 RNE X 7 29 EID X 7 25 LRS X 7 27 RNS X 7 29 FRB X 7 26 LUF X 7 27 SNO X 7 29 MIS X X 7 30 SSI X X 7 30 Sect 7 5 6 Bulk Configuration Commands Queries CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE CLD X 7 31 CST X 7 31 MGC X X 7 31 Sect 7 5 7 Automatic Uplink Power Control AUPC Commands Queries CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE CODE ...

Страница 103: ...es CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE CODE C Q PAGE BFR X X 7 37 LNH X X 7 37 LNR X X 7 37 LVO X 7 37 LNC X 7 38 LNL X X 7 37 LPS X X 7 37 NOTE Instruction Code Qualifiers as defined in the following sections are used as follows in the command query tables Response to Command columns Message ok Message ok but not permitted in current mode Received ok but invalid arguments found Message ok b...

Страница 104: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Serial Remote Control 7 10 MN SLM 5650C BLANK PAGE ...

Страница 105: ...ts for Command or Response to Query Description of Arguments Response to Command Query Instruction Code and Qualifier Response to Query Modem Operating Mode MOM 1 byte Command or Query Modem Operating Mode where 0 OM 73 1 Mil 165A 2 IESS 308 3 IESS 309 4 IESS 310 5 TURBO 6 16QAM 7 AUPC 8 RXBURST 9 TXBURST A TURBO FA B RXBRSTFA C LDPC Example MOM 0 sets OM 73 operating mode MOM MOM MOM MOM MOM MOM ...

Страница 106: ...byte Command or Query Tx Overhead Type where 0 None Unframed 1 IBS 2 IDR 4 AUPC Depending on Modem mode not all selections will be valid Example TFM 0 selects Unframed mode TFM TFM TFM TFM TFM TFM x see Description of Arguments Tx FEC Type TFT 1 byte Command or Query Tx FEC coding type where 0 None Uncoded 1 Viterbi 2 Turbo 3 Sequential 4 LDPC ULL Ultra Low Latency 5 LDPC LL Low Latency 6 LDPC HP ...

Страница 107: ... TCR TCR TCR TCR x see Description of Arguments Tx Data Rate TDR 10 bytes Command or Query Tx Data rate in kbps in the form xxxxxx xxx Resolution 1 bps Example TDR 002047 999 selects 2047 999 kbps TDR TDR TDR TDR TDR TDR xxxxxx xxx see Description of Arguments Insert Tx BERT Error BEI None Command only Insert single bit error in Tx BERT Example BEI BEI BEI BEI BEI N A N A Tx BERT State BTX 1 byte ...

Страница 108: ... t care if RS is Off under TRS TCW TCW TCW TCW TCW TCW x see Description of Arguments Tx Differential Encoding TDE 1 byte Command or Query Tx Differential Encoding where x Tx Differential Encoding 0 Off 1 On Depending on FEC type or Modulation Type not all selections will be valid Example TDE 1 selects Tx Differential Encoding On TDE TDE TDE TDE TDE TDE x see Description of Arguments Tx Data Fault...

Страница 109: ...is Off under TRS TRD TRD TRD TRD TRD TRD x see Description of Arguments Tx Reed Solomon Encoding TRS 1 byte Command or Query Tx RS encoding where 0 Off 1 On Depending on Modem mode not all selections will be valid Example TRS 0 RS encoding is Off TRS TRS TRS TRS TRS TRS x see Description of Arguments Tx Scrambler TSC 1 byte Command or Query Tx Scrambler state where 0 Off 1 OM 73 Scrambler 2 V 35 S...

Страница 110: ...rmal 1 Tx Spectrum Inverted Example TSI 0 selects normal TSI TSI TSI TSI TSI TSI x see Description of Arguments Live Tx Faults N A 8 bytes Query only Live Tx Faults are returned as a 32 bit Hexadecimal value Bit values are defined as follows 80000000 Modulator Symbol Clock not locked 40000000 Modulator RF Synthesizer not locked 20000000 Modulator No IQ Activity 10000000 Modulator Nyquist Filter Cl...

Страница 111: ... 1 byte Command or Query Rx Overhead Type where 0 None Unframed 1 IBS 2 IDR 4 AUPC Depending on Modem mode not all selections will be valid Example RFM 0 selects Unframed mode RFM RFM RFM RFM RFM RFM x see Description of Arguments Rx FEC Type RFT 1 byte Command or Query Rx FEC coding type where 0 None Uncoded 1 Viterbi 2 Turbo 3 Sequential 4 LDPC ULL Ultra Low Latency 5 LDPC LL Low Latency 6 LDPC ...

Страница 112: ...CR x see Description of Arguments Rx Data Rate RDR 10 bytes Command or Query Rx Data rate in kbps in the form xxxxxx xxx Resolution 1 bps Example RDR 002047 999 selects 2047 999 kbps N A RDR RDR xxxxxx xxx see Description of Arguments Rx BERT BER N A 6 bytes Query only Unit returns the value of the BERT BER in the form a b x 10 c where First three bytes are the value Last two bytes are the exponen...

Страница 113: ...ption of Arguments Rx BERT Errors N A 7 bytes Query only Read the total number of Bit Errors Example ERR 9999999 N A ERR N A Rx BPSK Data Ordering RBO 1 byte Command or Query Invert Receive BPSK Data Ordering in the form x where 0 Standard 1 Non Standard Example RBO 1 selects Inverted BPSK Ordering RBO RBO RBO RBO RBO RBO x see Description of Arguments Rx Clock Invert RCI 1 byte Command or Query I...

Страница 114: ...rted Example RDI 1 selects Inverted RX Data RDI RDI RDI RDI RDI RDI x see Description of Arguments Rx Descrambler RDS 1 byte Command or Query Rx Scrambler state where 0 Off 1 OM 73 Scrambler 2 IESS V 35 Scrambler 3 Modified V 35 Comtech EF Data Closed Network 4 Reed Solomon Synchronous Scrambler 5 IBS Overhead Synchronous Scrambler 6 TURBO Scrambler Depending on Modem mode FEC type overhead type a...

Страница 115: ... RRS RRS x see Description of Arguments Rx Spreading Equation RSE 5 bytes Command or Query Rx Spreading Equation where a Equation 0 or 1 bbbb GSN 0 9999 eq 0 or GSN 0 4095 eq 1 Example RSE 00000 Rx Equation 0 GSN 0000 RSE RSE RSE RSE RSE RSE abbbb See Description of Arguments Rx Spreading Factor RSF 4 bytes Command or Query Rx Spreading Factor where xxxx is value from 1 to 512 Values other than 1 ...

Страница 116: ...of Arguments Live Rx Faults N A 8 bytes Query only Live Rx Faults are returned as a 32 bit Hexadecimal value Bit values are defined as follows 80000000 Demodulator IF not locked 40000000 Demodulator Data Decoder not locked 20000000 Demodulator RF Synthesizer not locked 10000000 Demodulator No IQ Activity 08000000 Interface De Multiplexers not locked 04000000 Interface Buffer Clock PLL not locked 0...

Страница 117: ...ear All Stored Statistics CAS None Command only Forces the software to clear the software statistics log Note This command takes no arguments Example CAS CAS CAS CAS CAS N A N A Configured FAST Options N A 16 bytes Query only Unit returns information concerning the Configured FAST Options and the option field in the form abcdefghxxxxxxxx where a QOS 0 Not Installed 1 Installed b Reserved c Spectru...

Страница 118: ... xxxxxxxxxxxxxxxx see Description of Arguments Circuit ID String CID 24 bytes Command or Query Sets or queries the user defined Circuit ID string which is a fixed length of 24 characters Valid characters include Space 0 9 and A thru Z CID CID CID CID CID CID x see Description of Arguments Carrier Only Test Modes COM 1 byte Command or Query Test Mode where 0 Normal Mode no test 1 Tx CW 2 Tx Alterna...

Страница 119: ...tification and the option field in the form aaaabcdefghijklmx where aaaa defines the modem model number 565C b Advanced FEC 0 None 1 TPC 2 TPC LDPC c Advanced FEC Data Rate 0 Base 5 000 kbps 1 10 000 kbps 2 20 000 kbps 3 51 840 kbps 4 155 520 kbps 5 2 500 kbps d Data Interface 2 GigaBit Ethernet e Data Rate Asymmetric Tx Option 0 Base 5 000 kbps 1 10 000 kbps 2 20 000 kbps 3 51 840 kbps 4 155 520 ...

Страница 120: ... SLM 5650C with no options installed Force Modem Reboot FRB None Command only Reboot the modem Example FRB FRB FRB N A N A Initialize Events Pointer IEP None Command only Resets internal pointer to allow RNE queries to start at the beginning of the stored events log IEP IEP N A N A Software Image IMG 1 bytes Command or Query Next Reboot Image where 1 Bulk Image 1 2 Bulk Image 2 Example IMG 1 Image...

Страница 121: ...te Query Only Local Remote status where 3 Serial Ethernet Remote Control LRS LRS x see Description of Arguments Modem Alarm Mask MSK 6 bytes Command or Query Alarm mask conditions in the form abcdef where a spare must be set to 0 b spare must be set to 0 c spare must be set to 0 d spare must be set to 0 e Demod Faults 0 unmasked 1 masked f Eb No Threshold Alarm 0 unmasked 1 masked Example MSK 0000...

Страница 122: ...ain Unread in the form xxx Note This means unread over the remote control Example NUE 126 N A NUE NUE xxx see Description of Arguments Number of Unread stored Statistics N A 3 bytes Query only Unit returns the Number of stored Statistics which remain Unread in the form xxx Note This means unread over the remote control Example NUS 126 N A NUS NUS xxx see Description of Arguments BERT Pattern PAT 1...

Страница 123: ...NE N A RNE RNE CR Axxxxxxxxddmmyyhhmmss CR Axxxxxxxxddmmyyhhmmss CR Axxxxxxxxddmmyyhhmmss CR Axxxxxxxxddmmyyhhmmss CR Axxxxxxxxddmmyyhhmmss see Description of Arguments Retrieve next 5 unread Stored Statistics N A 105 bytes Query only Unit returns the oldest 5 Stored Statistics which have not yet been read over the remote control Reply format CR Sub body CR Sub body CR Sub body CR Sub body CR Sub ...

Страница 124: ...e Description of Arguments RTC Time TIM 6 bytes Command or Query A time in the form hhmmss indicating the time from midnight where hh hours 00 to 23 mm minutes 00 to 59 ss seconds 00 to 59 Example TIM 231259 23 hours 12 minutes 59 seconds TIM TIM TIM TIM TIM TIM hhmmss see Description of Arguments Temperature N A 3 bytes Query only Unit returns the value of the internal temperature in the form of ...

Страница 125: ...ses the modem to retrieve a previously stored configuration from Configuration Memory location defined by the one byte argument 0 to 9 Example CLD 4 retrieve modem configuration from location 4 CLD CLD CLD CLD N A N A Configuration Save CST 1 byte Command only Command causes the modem to store the current configuration in Configuration Memory location defined by the one byte argument 0 to 9 Exampl...

Страница 126: ... Target where xx x AUPC Eb No Target 3 2 to 16 0 dB Example AET 13 4 AET AET AET AET AET AET xx x see Description of Arguments AUPC Minimum Power Level AMN 5 bytes Command or Query Minimum Tx Output power level where s sign xx x Tx Output power level 10 0 and 40 0 dBm Example AMN 13 4 AMN AMN AMN AMN AMN AMN sxx x see Description of Arguments AUPC Maximum Tracking Rate AMT 3 bytes Command or Query...

Страница 127: ...nly Resets internal pointer to allow RNA queries to start at the beginning of the stored statistics log IAP IAP N A N A AUPC Local Carrier Loss Action LCL 1 byte Command or Query Tx Output Power level setting when local carrier is lost where 0 Hold current output power level 1 Goto Nominal output power level 2 Goto Maximum output power level Example LCL 0 LCL LCL LCL LCL LCL LCL x see Description ...

Страница 128: ...C CEEE Eddmmyyhhmms s CR AA ABB BCCC CEEE Eddmm yyhhmmss see Description of Arguments AUPC Remote Carrier Loss Action RCL 1 byte Command or Query Tx Output Power level setting when remote carrier is lost where 0 Hold current output power level 1 Goto Nominal output power level 2 Goto Maximum output power level Example RCL 0 RCL RCL RCL RCL RCL RCL x see Description of Arguments Remote Modem Patter...

Страница 129: ...Arguments for Command or Response to Query Description of Arguments Response to Command Query Instruction Code and Qualifier Response to Query Remote Modem I O Loopback RPL 1 byte Command or Query Remote Modem I O Loopback Mode where 0 Off 1 On Example RPL 1 Turn on remote modem AUPC Control RPL RPL RPL RPL RPL RPL x see Description of Arguments ...

Страница 130: ...ommand or Response to Query Description of Arguments Response to Command Query Instruction Code and Qualifier Response to Query GBEI Flow Control GFC 1 byte Command or Query Used to Enable Disable Pause Frame flow control on the internal GBEI Interface where x is 0 Disabled 1 Enabled Example GFC 0 GFC GFC GFC GFC GFC GFC x see Description of Arguments GBEI Wan Buffer Length WBL 3 bytes Command or ...

Страница 131: ... LNR LNR LNR LNR x see Description of Arguments LNB Power Control LPS 1 byte Command or Query Used to set the LNB Power where 0 Off 0V 1 13V 2 18V 3 19V 4 24V Example LPS 0 LPS LPS LPS LPS LPS LPS x see Description of Arguments LNB Lower Current Limit LNL 3 bytes Command or Query Used to set the LNB Current Monitor lower limit where xxx is in the range from 0 mA to 500 mA Must be less than the cur...

Страница 132: ...ction Code and Qualifier Arguments for Command or Response to Query Description of Arguments Response to Command Query Instruction Code and Qualifier Response to Query LNB Current Monitor N A 3 bytes Query only Used to monitor the LNB current where xxx is in mA Example LNC 250 N A LNC LNC xxx see Description of Arguments ...

Страница 133: ...idge for data traffic IP traffic entering the GbE Interface is encapsulated in HDLC protocol for transmission over the satellite link HDLC CRC 16 verification is performed on all received from WAN HDLC frames The GbE user interface is a single IEEE 802 3ab 1000BASE T copper compliant female RJ 45 connector wired as described in Table 8 1 The interface is set to Auto Negotiate only 8 2 Physical Des...

Страница 134: ...BI_DB bidirectional 7 BI_DD bidirectional 8 BI_DD bidirectional 8 3 General Specifications Table 8 2 GbE Interface General Specifications General Specifications Data Framing 10 100 1000BASE T Interface RFC 894 Ethernet Data Framing Format WAN HDLC Standard Single Channel Connector RJ 45 female 100Ω Electrical Properties Per IEEE 802 3ab Packet Types Burst distributed or IPV4 Signal Types Serial da...

Страница 135: ...provides information pertaining to the modem s system checkout and fault isolation and identification A 2 Common Setup Issues Check the following items if you encounter setup issues Physical setup Test Mode left on TRANSEC encryption left on Modem type Modulator off A 3 System Check Chapter 6 MODEM CONFIGURATION Use Chapter 6 MODEM CONFIGURATION to perform the system checks located in this section...

Страница 136: ...tatus LEDs provide a visual indication for the status of the modem Tx PWR ON The middle LED Rx Lock The LED next to the Tx SMA connector PWR FAULT The LED next to the power connector There are LEDs on the Ethernet connectors indicating Ethernet connection status A 3 1 1 SLM 5650C Status Indicators Figure A 1 LM 5650C LED Status Table A 1 SLM 5650C Connectors and Indicators Item Number Description ...

Страница 137: ...inking No Receive Off occasional blink Green Red Blinking Tx off Green with demod lock Off Green blinking Tx off No receive Off occasional blink Off Red Blinking Momentary demodulator false lock A 3 1 2 SLM 5650C ODU Status Indicators Figure A 2 SLM 5650C ODU LED Status Table A 3 SLM 5650C ODU Connectors and Indicators Item Number Description 0 Power Switch and Indicator 1 Remote 2 Traffic 3 Manag...

Страница 138: ...s Table A 4 SLM 5650C ODU LED Conditions Comment LED Rx LOCK LED Tx PWR ON LED FAULT No faults Rx signal in Tx on Green Green Green blinking No Receive Off occasional blink Green Red Blinking Tx off Green with demod lock Off Green blinking Tx off No receive Off occasional blink Off Red Blinking Momentary demodulator false lock ...

Страница 139: ... Reset the modem configuration to Modem Type defaults a Change the Modem Type to a selection other than your desired test selection b Change the Modem Type to your desired test selection 3 Turn on IF loopback and the internal BERT 4 Go to the Status Status Page Figure A 3 and check for Eb No and the Internal BERT Note The internal BERT data overwrites the Ethernet stream so there will be faults wh...

Страница 140: ...form output of the Tx RF path for block up converters splitters or high powered amplifiers a The top of the waveform should not be distorted or have any slope in the operating frequency band Any distortion after the modem can be caused by overdriven system components or impedance mismatching in coupling equipment b BPSK will have a slight notch at the center frequency of the carrier Figure A 4 Tx ...

Страница 141: ... waveform displays the following when receiving a signal from a satellite system a A raised noise floor that obscures the low shoulders similar to Figure A 4 b A flat top without any slope or distortion Distortion can be caused by overdriven equipment impedance mismatches or faulty equipment 3 Check all Rx system equipment including the splitters if any slope or distortion is present ...

Страница 142: ...trieve the constellation information Typical constellation patterns are shown in Figure A 5 through Figure A 10 Error Vector Magnitude EVM is a measure of how far the points are from the ideal quadrature locations The smaller the dot the bigger the number Extremely high composite power will add to the noise received by the modem Frequency separation and balanced carriers are essential to satellite...

Страница 143: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Appendix A A 9 MN SLM 5650C Figure A 7 OQPSK Constellation Figure A 8 8QAM Constellation ...

Страница 144: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Appendix A A 10 MN SLM 5650C Figure A 9 16QAM Constellation Figure A 10 8PSK Constellation ...

Страница 145: ...lts are displayed on the Modem Status page and the Modem Event Log page They are in Hexadecimal format and are hyperlinked to a description Click on the fault code and a pop up will show the fault condition The Modem Status Tab displays the current faults The Event Log records the fault events over time ...

Страница 146: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Appendix A A 12 MN SLM 5650C BLANK PAGE ...

Страница 147: ... The Data Rates and Symbol Rates shown in the following tables all assume that Transmission Security TRANSEC is turned OFF To calculate the max data rate with TRANSEC ON the max data rate shown in the table becomes a max aggregate data rate The real data rate can be calculated by dividing the TRANSEC overhead rate from the aggregate data rate The TRANSEC overhead rate can be calculated for any TRA...

Страница 148: ...ype R S Code Word R S Depth Data Rate kbps Symbol Rate ksps Min Max Min Max BPSK 1 1 Off N A 64 8472 64 10000 BPSK 1 2 Off N A 64 15000 128 30000 BPSK 3 4 Off N A 64 22500 85 333 29999 999 BPSK 7 8 Off N A 64 26250 73 142 30000 QPSK 1 1 Off N A 64 20000 32 10000 QPSK 1 2 Off N A 64 30000 64 30000 QPSK 3 4 Off N A 64 45000 42 666 30000 QPSK 7 8 Off N A 64 51840 36 571 29622 857 OQPSK 1 1 Off N A 64...

Страница 149: ...46 487 29999 999 QPSK 3 4 225 205 4 8 64 41000 46 829 30000 QPSK 3 4 220 200 4 8 64 40909 090 46 933 30000 QPSK 7 8 126 112 4 8 64 46666 666 41 143 30000 QPSK 7 8 219 201 4 8 64 48184 931 39 846 29999 999 QPSK 7 8 225 205 4 8 64 47833 333 40 139 29999 999 QPSK 7 8 220 200 4 8 64 47727 272 40 229 30000 OQPSK 1 2 126 112 4 8 64 26666 666 72 29999 999 OQPSK 1 2 219 201 4 8 64 27534 246 69 371 29999 9...

Страница 150: ...22 72 2500 QPSK 1 2 219 201 4 8 64 2294 520 69 731 2500 QPSK 1 2 225 205 4 8 64 2277 777 70 243 2500 QPSK 1 2 220 200 4 8 64 2272 727 70 400 2500 QPSK 3 4 OFF N A 64 3750 42 667 2500 QPSK 3 4 126 112 4 8 64 3333 333 48 2500 QPSK 3 4 219 201 4 8 64 3441 780 46 487 2500 QPSK 3 4 225 205 4 8 64 3416 666 46 829 2500 QPSK 3 4 220 200 4 8 64 3409 090 46 933 2500 QPSK 7 8 OFF N A 64 4375 36 571 2500 QPSK...

Страница 151: ...194 178 4 8 16 2048 2328 09 QPSK 1 2 IESS 308 194 178 4 8 16 6312 6975 371 QPSK 1 2 IESS 308 194 178 4 8 16 8448 9303 371 QPSK 1 2 IESS 308 219 201 4 8 16 1544 1778 269 QPSK 1 2 IESS 308 219 201 4 8 16 2048 2327 403 QPSK 1 2 IESS 308 219 201 4 8 16 6312 6973 254 QPSK 1 2 IESS 308 219 201 4 8 16 8448 9300 537 QPSK 1 2 IESS 308 225 205 4 8 16 1544 1790 634 QPSK 1 2 IESS 308 225 205 4 8 16 2048 2343 ...

Страница 152: ... 16 32064 23386 269 QPSK 3 4 IESS 308 219 201 4 8 16 34368 25059 821 QPSK 3 4 IESS 308 225 205 4 8 16 1544 1225 756 QPSK 3 4 IESS 308 225 205 4 8 16 2048 1594 537 QPSK 3 4 IESS 308 225 205 4 8 16 6312 4714 537 QPSK 3 4 IESS 308 225 205 4 8 16 8448 6277 463 QPSK 3 4 IESS 308 225 205 4 8 16 32064 23557 463 QPSK 3 4 IESS 308 225 205 4 8 16 34368 25243 317 QPSK 3 4 IESS 308 126 112 4 8 1 1544 1254 QPS...

Страница 153: ...PSK 7 8 IESS 308 219 201 4 8 16 32064 20059 087 QPSK 7 8 IESS 308 219 201 4 8 16 34368 21493 561 QPSK 7 8 IESS 308 219 201 4 8 16 44736 27948 691 QPSK 7 8 IESS 308 225 205 4 8 16 1544 1064 362 QPSK 7 8 IESS 308 225 205 4 8 16 2048 1380 46 QPSK 7 8 IESS 308 225 205 4 8 16 6312 4054 743 QPSK 7 8 IESS 308 225 205 4 8 16 8448 5394 397 QPSK 7 8 IESS 308 225 205 4 8 16 32064 20205 826 QPSK 7 8 IESS 308 ...

Страница 154: ... 8448 74 927 9890 341 QPSK 1 2 IESS 309 208 192 4 8 16 64 8448 74 311 9809 067 QPSK 3 4 None Off N A 64 45000 42 666 30000 QPSK 3 4 None 126 112 4 8 16 64 40000 48 30000 QPSK 3 4 None 219 201 4 8 16 64 41301 369 46 487 29999 999 QPSK 3 4 None 194 178 4 8 16 64 41288 65 46 502 30000 QPSK 3 4 None 225 205 4 8 16 64 41000 46 829 30000 QPSK 3 4 None 208 192 4 8 16 64 41339 713 46 444 30000 QPSK 3 4 IE...

Страница 155: ...SK 1 2 IESS 309 225 205 4 8 16 64 8448 74 927 9890 341 OQPSK 1 2 IESS 309 208 192 4 8 16 64 8448 74 311 9809 067 OQPSK 3 4 None Off N A 64 20000 42 666 30000 OQPSK 3 4 None 126 112 4 8 16 64 40000 48 30000 OQPSK 3 4 None 219 201 4 8 16 64 41301 369 46 487 29999 999 OQPSK 3 4 None 194 178 4 8 16 64 41288 65 46 502 30000 OQPSK 3 4 None 225 205 4 8 16 64 41000 46 829 30000 OQPSK 3 4 None 208 192 4 8 ...

Страница 156: ...999 BPSK 3 4 None 219 201 4 8 16 64 20650 684 92 975 29999 999 BPSK 3 4 IESS 309 Off N A 64 8448 91 022 12014 933 BPSK 3 4 IESS 309 219 201 4 8 16 64 8448 99 173 13090 898 QPSK 1 2 None Off N A 64 30000 64 30000 QPSK 1 2 None 219 201 4 8 16 64 27534 246 69 371 29999 999 QPSK 1 2 IESS 309 Off N A 64 8448 68 267 9011 2 QPSK 1 2 IESS 309 219 201 4 8 16 64 8448 74 38 9818 173 QPSK 3 4 None Off N A 64 ...

Страница 157: ...ESS 309 219 201 4 8 16 32064 17563 701 8 PSK 2 3 IESS 309 219 201 4 8 16 34368 18818 866 8 PSK 2 3 IESS 309 219 201 4 8 16 44736 24467 104 B 1 8 Turbo Code Mode Modulation Type Data Rate kbps Symbol Rate ksps Min Max Min Max BPSK 21 44 64 30545 454 134 095 63999 999 BPSK 5 16 64 20000 204 8 64000 QPSK 17 18 64 120888 888 33 882 63999 999 QPSK 21 44 64 61090 909 67 047 63999 999 QPSK 3 4 64 96000 4...

Страница 158: ...66 8472 BPSK 1 2 OFF N A 64 14062 500 136 533 30000 BPSK 3 4 OFF N A 64 21093 750 91 022 30000 BPSK 7 8 OFF N A 64 24609 375 78 019 30000 QPSK 1 1 OFF N A 64 18750 34 133 10000 QPSK 1 2 OFF N A 64 28125 68 266 30000 QPSK 3 4 OFF N A 64 42187 500 45 511 30000 QPSK 7 8 OFF N A 64 49218 750 39 009 30000 OQPSK 1 1 OFF N A 64 18750 34 133 10000 OQPSK 1 2 OFF N A 64 28125 68 266 30000 OQPSK 3 4 OFF N A ...

Страница 159: ...PC Mode Sequential Modulation Type R S Code Word R S Depth Data Rate kbps Symbol Rate ksps Min Max Min Max BPSK 1 2 OFF N A 64 1171 136 533 2498 133 QPSK 1 2 OFF N A 64 2048 68 266 2184 533 QPSK 3 4 OFF N A 64 2048 45 511 1456 355 QPSK 7 8 OFF N A 64 2048 39 009 1248 304 OQPSK 1 2 OFF N A 64 2048 68 266 2184 533 OQPSK 3 4 OFF N A 64 2048 45 511 1456 355 OQPSK 7 8 OFF N A 64 2048 39 009 1248 304 BP...

Страница 160: ...40 36 141 29274 352 OQPSK 21 44 64 26846 590 71 517 29999 998 OQPSK 3 4 64 42187 500 45 511 30000 OQPSK 7 8 64 49218 750 39 009 30000 8PSK 17 18 256 51840 96 376 19516 235 8PSK 3 4 256 51840 121 362 24576 8PSK 7 8 256 51840 104 025 21065 142 16QAM 3 4 256 51840 91 022 18432 16QAM 7 8 256 51840 78 019 15798 857 B 1 13 NON SPREAD LDPC Mode Ultra Low Latency ULL Modulation Type Data Rate kbps Symbol ...

Страница 161: ...6 9180 8QAM 7 8 256 000 5000 97 741 1909 023 4096 10728 16QAM 2 3 256 000 5000 96 140 1877 753 4092 10896 16QAM 256 000 5000 85 584 1671 568 4092 12240 16QAM 7 8 256 000 5000 73 234 1430 369 4092 14304 B 1 15 NON SPREAD LDPC Mode High Performance HP Modulation Type Data Rate kbps Symbol Rate ksps DR to SR Multiplier Min Max Min Max BPSK 1 3 32 000 15000 96 000 45000 16416 5472 BPSK 32 000 22500 64...

Страница 162: ...SLM 5650C SLM 5650C ODU Satellite Modem Revision 1 Appendix B B 16 MN SLM 5650C BLANK PAGE ...

Страница 163: ...h the SLM 5650C and the SLM 5650C ODU The modem has several optional features and functions that can add overhead This appendix describes The processing flow where overhead can be added The amount of overhead added by each feature when enabled The calculation of modem symbol rate and modem chip rate when optional spreading is enabled given the programmed modem bit rate ...

Страница 164: ...1 containing the following Operands Operand 1 MO Modulation Order 1 if BPSK 2 if QPSK 3 if 8PSK 4 if 16QAM Operand 2 CR Code Rate of the FEC e g CR 0 75 if stated FEC code rate 3 4 Operand 3 Fc AUPC Mode Framing Factor where o FC 15 16 if AUPC Mode is enabled o FC 1 if neither feature is enabled Only one of these two features AUPC Mode or ACPC Mode may be enabled at any given time Operand 4 FT TRA...

Страница 165: ...d at the expense of slightly longer TRANSEC frame acquisition times C 3 2 Total Framing Overhead There may be times where the framing overhead is of interest expressed as a percentage of framing overhead bits within the framed transport stream Identified as Operand 4 in Section H 2 this value can be expressed as Framing Overhead 1 FTFC 100 As per Equation 1 see Section C 2 since the factors FT and...

Страница 166: ...reduces the effective throughput of packet bits relative to the programmed modem data rate Packet Throughput in packet bits second is expressed as Equation 3 Packet Throughput Programmed Modem Data Rate FH HDLC Overhead referred to as Equation 4 is expressed as a percent overhead of the modem date rate HDLC OH 1 FH 100 1 62 L 3 63 62 L 3 100 The HDLC Overhead ranges from approximately 6 for L 64 t...

Страница 167: ......

Страница 168: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX ...

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