Table of Contents
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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
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
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
OFFSET QPSK OPERATION .........................................................................8-1
OPEN NETWORK OPERATIONS ..................................................................9-1
iv
Revision 2
MN/CDM600.IOM
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