Comtech EF Data CDM-600L Installation And Operation Manual page 12

CDM-600L Satellite Modem
Preface
5.1 CONNECTOR OVERVIEW............................................................................................5-1
5.2 OVERHEAD INTERFACE CONNECTOR (P3A) ...........................................................5-3
5.3 DATA INTERFACE CONNECTOR (P3B) ......................................................................5-4
5.4 AUDIO INTERFACE CONNECTOR (P4A) ....................................................................5-5
5.5 REMOTE CONTROL INTERFACE CONNECTOR (P4B).............................................5-5
5.6 IDR BACKWARD ALARMS CONNECTOR (P5A) .........................................................5-6
5.7 AUXILIARY SERIAL CONNECTOR (P6).......................................................................5-6
5.8 BALANCED G.703 INTERFACE CONNECTOR (P7)....................................................5-7
5.9 BNC CONNECTORS .....................................................................................................5-7
5.10 UNIT ALARMS (P5B) .................................................................................................5-8
5.11 AC POWER CONNECTOR OPTION .........................................................................5-8
5.12 DC POWER CONNECTOR OPTION .........................................................................5-9
5.13 GROUND CONNECTOR ...........................................................................................5-9
CHAPTER 6. FRONT PANEL OPERATION.........................................................................6-1
6.1 DESCRIPTION...............................................................................................................6-1
6.2 OPENING SCREEN.......................................................................................................6-5
6.3 MAIN MENU...................................................................................................................6-5
6.3.1 CONFIG ..................................................................................................................6-6
6.3.2 TEST.....................................................................................................................6-28
6.3.3 INFORMATION.....................................................................................................6-30
6.3.4 MONITOR .............................................................................................................6-34
6.3.5 STORE/LOAD.......................................................................................................6-39
6.3.6 UTILITIES .............................................................................................................6-40
6.3.7 ODU ......................................................................................................................6-42
FAST.....................................................................................................................6-46
6.3.8
CHAPTER 7. FORWARD ERROR CORRECTION OPTIONS.............................................7-1
7.1 INTRODUCTION............................................................................................................7-1
7.2 VITERBI .........................................................................................................................7-1
7.3 SEQUENTIAL ................................................................................................................7-2
7.4 REED-SOLOMON OUTER CODEC ..............................................................................7-3
7.5 TRELLIS CODING (FAST OPTION) ..............................................................................7-5
7.6 TURBO PRODUCT CODEC (HARDWARE OPTION)...................................................7-6
7.7 TPC AND LOW DENSITY PARITY CHECK (LDPC) CODING......................................7-6
7.7.1 Introduction .............................................................................................................7-6
7.7.2 LDPC versus TPC...................................................................................................7-7
7.7.3 End-to-End Processing Delay.................................................................................7-9
7.8 UNCODED OPERATION (NO FEC) ............................................................................7-11
CHAPTER 8. OFFSET QPSK OPERATION .........................................................................8-1
CHAPTER 9. OPEN NETWORK OPERATIONS ..................................................................9-1
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Revision 2
MN/CDM600.IOM