Single-Source Multiple Modems Daisy Chain | Premier Mounts CDM-600

CDM-600 Satellite Modem

Clock Modes and Drop and Insert (D&I)

MODEM

MODEM

Revision 7

MN/CDM600.IOM

MODEM

DDI
DDI	DDO		IDI IDO

				Multiple Modem Drop & Insert Application: This application shows how the loop is extended
		Terrestrial Trunk		to one or more additional modems.
		Terrestrial Trunk		DDO- IDI connection may be made internally using Loop = Y under D&I menu.

Figure 10-6. Single-Source Multiple Modems (Daisy Chain)

10–11

Image 153

Premier Mounts CDM-600 specifications Single-Source Multiple Modems Daisy Chain

Contents

Revision CDM-600Page Errata a APP= APP? APP# Errata B Errata C +40 dBc maximum composite, up to -10 dBm, absolute max Input power range CDM-570 Desired Carrier -30 to -60 dBm Filename Terrata BER=10-8 DB 4.2 dB DB 6.8 dB DB 7.9 dB BER=10-5 DB 4.0 dB DB 6.6 dB DB 7.7 dB Comtech Turbo Product Codec AGC Voltage Errata F \tpubs\manuals\releasedword\modems\cdm600rev7\errata f.doc Errata G \tpubs\manuals\releasedword\modems\cdm600rev7\errata g.doc \tpubs\manuals\releasedword\modems\cdm600rev7\errata g.doc This page intentionally left blank Part Number MN/CDM600.IOM MN/CDM600.IOM Table of Contents CDM-600 Satellite Modem External Frequency Reference Connector J12Preface MN/CDM600.IOM Front Panel Operation Forward Error Correction Options 10-1 10.110.2 10-3 12.2.3 Alarm 12-3 12.2.4 Buffer Enabled, Rxtx TX Terrestrial or External Clock10.3 10-3 10.4 10-6 15.1 Modulator 15-1 15.2 13.515-3 15.3 Appendix D. ODU Operation Tables Figures Preface Customer Service Conventions and References Metric Conversion About this ManualRecommended Standard Designations Reporting Comments or Suggestions Concerning this Manual Electrical Safety FusesEnvironmental Telecommunications Terminal Equipment Directive Installation EMC Electromagnetic Compatibility Limitations of Warranty Warranty PolicyExclusive Remedies Disclaimer CDM-600 Introduction Aupc Standard Features Software Flash Upgrading VerificationData Interfaces Assembly Description Major AssembliesFast Options and Hardware Options Order to operate in Turbo TPC Mode Fast Accessible Options Fast System TheoryImplementation Hardware Options Compatibility Supporting Hardware and Software New in this Release This page is intentionally blank Unpacking Installation Optional Mounting Kit , KT/6228-2 Mounting Installation of the Optional Mounting Bracket, KT/6228-2 Configuration Select Internal if LoopConnect External Cables Functional Description CDM-600 Modem Block Diagram Physical IntroductionFront Panel IEC Line Input Connector Name Ref Des Connector Type FunctionRear Panel Overhead Data Connector P3A Rx and Tx if Connectors J1 and J2Data Interface Connector P3B External Reference Connector J9 IDR Alarm connector P5A Remote Control connector P4BForm C Traffic Alarm Connector P5B Auxiliary Serial Connector P6 12 IDI, DDO Connectors J10A and J11A External Frequency Reference Connector J12Unbalanced G.703 Tx/Rx J10B and J11B Dimensional Envelope Dimensional Envelope Connector Overview Connector Overhead Interface Connector P3A BNC ConnectorsBNC Connectors Overhead Interface Connector Pin Assignments RR B Data Interface Connector Pin Assignments Remote Control Interface Connector P4B Audio Interface Connector P4AAudio Interface Connector Pin Assignments Remote Control Interface Connector Pin Assignments Unit Alarms P5B IDR Backward Alarms Connector P5AIDR Alarm Interface Connector Pin Assignments Alarm Interface Connector Pin Assignments Auxiliary Serial Connector USB Type B Socket 10. Balanced G.703 Interface Connector Pin AssignmentsPin # Signal Function Name Direction AC Power Connector Ground ConnectorAC Power Specifications This page is intentionally left blank Description Front Panel Front Panel LED Indicators LEDColor Condition Enter Function of these keys is as followsClear Selection Menu Trees Main Menu Opening ScreenComtech CDM-600 Open Network Modem Turbo TPC/LDPC VER Comtech CDM-600E Open Network Modem Turbo TPC/LDPC VER Config Config Mode Config ALLMode TX=RS422NONE ALL = Start STOP, Start Config TX TX-IF Config TXTX-IF Power Encoder MOD Data Scrambler TX-IF Carrier = on ON,OFF,RTI Output Power Mode = Manual MANUAL,AUPC Config TX PowerOutput Power Level = -20.0 dBm Output Power Mode = Aupc MANUAL,AUPC TPC Turbo Hardware option Config TX Encoder REED-SOLOMON Encoding = ON200/180 Config TX Encoder REED-SOLOMON on Config TX Modulation MODULATION= Qpsk B,Q,OQ-PSKFEC Rate = 1/2 1/2,3/4,7/8 Config TX Scrambler Config TX DataData Invert = OFF ON,OFF TX Scrambler = on ON,OFF Frame Scrambler Config RX RX-IF Config RX Config RX Decoder REED-SOLOMON Decoding = ON200/180 Config RX Decoder REED-SOLOMON on Config RX Data Config RX DemodulationDemodulation = QPSKB,Q,OQ,8PSK,16QAM FEC Rate = 1/2 3/4,7/8 RX Descrambler = on ON,OFF Frame Descrambler Config RX Descrambler Config Clocks Config RX EbNoConfig Clocks TX Clock Clocking TX-CLOCK Configclocks RX BUFFER/CLOCK CLK= RX-SAT RX-SAT,TX-TERR,EXT-CLK,INSBUFFER-SIZE = 00016bytes00002ms Center Config Clocks EXT-BASEBAND-CLOCK Config Clocks RX BUFFER/CLOCK CenterConfig Clocks EXT-FREQ-REF Config Clocks Internal Reference Config Drop & Insert Drop Channel Timeslots Config Drop & InsertDRP-TYPE= T1-D4 CHAN/TS LOOP=Y Y/N INS-TYPE= T1-D4 CHAN/TS DRP-CH 1 2 3 TS 01 02 03 Config Edmac Config Drop & Insert Insert Channel TimeslotsConfig Misc Edmac Mode = Master IDLE/MASTER/SLAVE Edmac Address = Config Misc IDR-ESC-TYPE Config Misc G.703 CodeConfig Misc Adpcm Audio Volume VOLUME= Config Misc WARM-UP Config Misc HIGH-RATE-ESCHIGH-STAB Reference POWER-UP WARM-UP No DELAYINSTANT-ON INSTANT-ON,DELAY Onfig Remote Control Interface Config Remote Control Config Mask Config Remote Control Char FormatConfig Mask AIS Configure Alarm Mask AIS Buffer Rxif SAT-ALM TERR-ALM Config Mask RX-IF Config Mask Buffer SlipConfig Mask Satellite Alarms Config Mask Satellite Alarms TX Config Mask TERR-ALM Config Mask Satellite Alarms RXConfig Impedance Config Statistics Test Modem Test Mode = Normal NORM,TX-CW,TX-1/0,IF↓,RF↓,DIG↓,I/O↓ Loopback Modes Information Info ModeInfoall Info ID Info RX Info TXTop Line Bottom line Info Edmac Info ClocksInfo Drop Type Info Insert Type Info Alarms Mask Info RemoteInfo Misc Live UNIT= None NET= Alarms RECV=DEMOD Lock XMT= Monitor LIVE-ALARMSHi-Stab Freq Ref Module Ref Activity Fault Monitor Stored Events Clear ALL no NO,YES #199 FT-FRAME Sync Monitor Stored Events23/07/01 Network Monitor Statistics Configuration 0 Load Store Available AUPC-PARAMS Remote EbNo=6.8dB Transmit Power INCREASE=1.2dBMonitor RX Parameters Monitor AUPC-PARAMS Utilities STORE/LOAD Override ConfigurationUtilities SET-RTC Utilities Brightness Utilities 11 Manual Switch Utilities LampUtilities Circuit ID Fast 7 ODUFast SET Fast View Viterbi Forward Error Correction Options Sequential Viterbi Decoding SummaryFor Against Sequential Decoding Summary Reed-Solomon Outer Codec Concatenated RS Coding Summary Code Rate Mode PSK/TCM Coding Summary Trellis Coding Fast Option TPC and Low Density Parity Check Ldpc coding Introduction Turbo Product Codec Hardware Option Ldpc versus TPC Available TPC and Ldpc Modes TPC Code Rate/Modulation Data Rate RangeLdpc Code Rate/Modulation Data Rate Range End-to-End Processing Delay Turbo Product Coding Processing Delay ComparisonFEC Mode 64 kbps data rate End-to-end delay, ms Qpsk Rate 1/2 Viterbi TPC and Ldpc Summary Uncoded Operation No FEC MN/CDM600.IOM Viterbi Sequential Decoding Sequential Sequential Decoding 2048 kbps Viterbi with With PSK/TCM Rate 2/3 Performance with CDM-600 Firmware Version Or higher Rate 3/4 QPSK/OQPSK Rate 7/8 QPSK/OQPSK Rate 1/2 QPSK/OQPSK Comtech Turbo Product Codec Rate 21/44 Bpsk 220,200 RS Differential Encoding LDPC, BPSK, Qpsk QPSK/OQPSK/8-PSK QPSK/OQPSK Ldpc Rate 3/4 PSK/16-QAM This page is intentionally blank Offset Qpsk Operation CDM-600 Satellite Modem Revision Offset Qpsk Operation IBS Open Network Operations IBS Engineering Service Channel IBS Clock/data recovery and De-jitterIBS Framing IBS Scrambling 2 D&I Framing 1 D&I Primary Data Interfaces Ccitt G.721 IDR IDR Primary Data Interfaces IDR Engineering Service Channel This page is intentionally blank Clock Modes and Drop and Insert D&I Transmit ClockingInternal Clock Rx Loop-Timed, RX=TX Tx TerrestrialRx Loop-Timed, Rxtx Asymmetric Loop Timing External Clock Buffer Enabled, TX=RX TX Terrestrial or External Clock Buffer Disabled RX SatelliteBuffer Enabled, Rxtx TX Terrestrial or External Clock Receive Clocking Tx Clock Modes Rx Clock Modes 10-6 Supported T1 and E1 Framing formats Frame Formats Time Slot Selection Drop and Insert Clocking Drop and Insert Clocking Rx Buffer Clock = Insert D&I only Single-Source Multiple ModemsReceive Transmit Single-Source Multiple Modems Daisy Chain 10-12 Theory Of Operation Edmac Channel 11.2 M&C Connection Setup Summary Drop & Insert ++ Automatic Uplink Power Control Setting Aupc Parameters Target Eb/NoMax Range Alarm Demod UnlockCompensation Rate Monitoring Overhead Details ESC++ Effect on Eb/No performance Available Baud Rates Flash Upgrading CDM-600 Satellite Modem Revision Flash Upgrading Modulator Summary of Specifications CDM-600 Satellite Modem Revision Summary of Specifications Comtech EF Data CDM-600 Transmit Power Spectral Density Referred to symbol rate 15-4 Codec BER CDM-600 Satellite Modem Revision Remote Control Data Interfaces Automatic Uplink Power Control Data Rate Ranges Front panel Miscellaneous 15-10 EIA-485 Remote Control Basic Protocol EIA-232 Packet Structure Start Of PacketAddress Instruction Code Qualifier Instruction Code End Of Packet Message Arguments Alphabetical list of Remote Commands TFQ= TFQ? TFQ=TFQ TFQ# TFT= TFT? TFT=TFT TFT# TCR= TCR? TCR=TCR TCR# TRS= TRS? TRS=TRS TRS# TXO= TXO? TXO=TXO TXO# PLI? REB?TCK= TCK= TCK? TTA= TTA? TTA=TTA TTA# TIP= TIP? TIP=TIP TIP# RFM= RFM? RFM=RFM =IBS RFM# =IDR =INSERT RMD= RMD? RMD==BPSK RMD =QPSK RMD# =OQPSK RDR= RDR? RDR=RDR RDR# REF= REF? REF=REF# RRS= IRD= IRD? IRD=IRD IRD# RVL= RVL? RVL=RVL RVL# RET= RET? RET=RET RET# ESC= ESC? ESC=ESC ESC# EFR= EFR? EFR=EFR EFR# CTD= CTD? CTD=CTD CTD# CID= CID? CID=CID CID# MGC= MGC? MGC=FFF.FFFFDDD MGC=MGC? DD.DDDGYRMVSPP MGC CST? CST=CST CST# SSI= SSI? SSI=SSI SSI# CAS? CAS=CAS CAS# CAE= RNE?CAE? CAE IEP# IEP=EBN? RSL? RED? BER?LRS= LRS= LRS? FCS? FCS=BootXXXXFPGA=ZZZZ TMP? EID=abbbcdefgh EID?Hardware Bytes HRV? FLT? DNI= DNI? DNI=DNI DNI# ITS= ITS? ITS=ITS ITS# OUS? OUS=xxxxxxFSW= Appendix A. Cable Drawings CDM-600 Satellite Modem Revision Cable Drawings MN/CDM600.IOM MN/CDM600.IOM Measurement Appendix B. Eb/No Example Bpsk Qpsk PSK This page is intentionally blank Activation Procedure Serial Number Appendix C. Fast Activation Procedure Enter Access Codes View currently installed features Functions are Appendix D. ODU Operation Modem Main Menu Menu Trees Enable 2 ODU3 ODU 5 ODU,ENABLE,11 4 ODU,ENABLE,11ODU,ENABLE,11 CSAT#2 ODU,ENABLE,STANDALONE Csat Redundancy BOX Configuration 6 ODU,ENABLE,11,CSAT#1AMP=OFF MUTE=UNMUTED Slope TX Slope MODE=MANUAL MANUAL,CAL SLOPE=0.3 RX Slope MODE=MANUAL MANUAL,CAL SLOPE=0.2 LNA State FAULT-LOGICCalibrate LNA-CURRENT XREF=NO REF-ADJUST=087 RTC=OFF Misc COLD-START=DISABLE ODU,ENABLE,11,CSAT#2 Monitor ODU,ENABLE,STANDALONE Csat 13 ODU,ENABLE,11,CSAT#1 Current Status TX RX = OK POWER-SUPPLY Alarms CURRENT-ALARMS STORED-ALARMS ODU,ENABLE,11,CSAT#2 Information ODU,ENABLE,STANDALONE Csat 21 ODU,ENABLE,11,CSAT#1Reading Stored Faults Please Wait Stored Alarms CLEAR-ALL no NO,YES Ampoff Info TxoffInfo Rxon Unmuted ENABLE,STANDALONE KST 28 ODU,ENABLE,STANDALONE KST Configuration27 ODU 29 ODU,ENABLE,STANDALONE KST,CONFIG 30 ODU,ENABLE,STANDALONE KST,CONFIG31 ODU,ENABLE,STANDALONE KST,CONFIG Misc 33 ODU,ENABLE,STANDALONE KST,INFO Model 32 ODU,ENABLE,STANDALONE KST Information34 ODU,ENABLE,STANDALONE KST,INFO TX+RX-PARAM 35 ODU,ENABLE,STANDALONE KST,INFO Misc 37 ODU,ENABLE,STANDALONE KST Alarms 36 ODU,ENABLE,STANDALONE KST,INFO Numbers Index Statistics Utilities MN/CDM600.IOM Comtech EF Data is an ISO 9001 Registered Company CDM-600 New Features/Changes Aupc Description of D&I with ESC and Aupc TSR= MN/CDM600.AA7 Metric Conversions 480 333 2200 Phone 480 333 2161 FAX