Advantech AMT-73 Installation And Operation Manual page 9

Amt-70 series. l-band satellite modem 32k - 40 msymbol bpsk, qpsk, oqpsk, 8psk, 16qam
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8.10 RS-485 Connector Pin-Outs .................................................................................................112
8.11 EIA/TIA-449 AMT-73L Connector Pin-Outs .........................................................................112
8.12 RJ-45 RS232 Pin-Out (AMT-73L) ..........................................................................................113
8.13 SSPB/Modem Cabling Requirements ..................................................................................113
8.14 Alarms Connector Description.............................................................................................114
8.15 L-Band Transmit Cable .........................................................................................................114
8.16 L-Band Receive Cable ...........................................................................................................114
8.17 DB15 - DB15 - Switch Cable................................................................................................115
Turbo Code Details ................................................................................116
9.1
Turbo Product Code Overview.............................................................................................116
9.2
AMT7X family TPC Overview ................................................................................................117
CRCs and Scrambling........................................................................................................117
9.2.1
Framing ..............................................................................................................................118
9.2.2
9.3
Calculating the Code Rate ....................................................................................................118
BUC AND ADVANTECH SSPB ..............................................................120
10.1 SSPB (BUC) Interface Connections.....................................................................................120
10.2 LNB Interface Connections ..................................................................................................120
10.3 RS-232 M&C Interface Connections ....................................................................................120
10.4 AMT-70 Modem Configuration .............................................................................................120
10.5 TX Carrier Enable...................................................................................................................121
REDUNDANCY........................................................................................122
11.1 Hardware Installation ............................................................................................................122
11.1.1 ASI Interface.......................................................................................................................122
11.1.2 RS-530 / HSSI interface .....................................................................................................124
11.1.2.1
Front panel push buttons .......................................................................................127
11.1.2.2
LED indicators ........................................................................................................127
11.2 Software Configuration.........................................................................................................128
11.3 Messages................................................................................................................................131
APPENDIX A SYSTEM CONSIDERATIONS ..........................................132
Typical AMT-70L/AMT-73L Interconnections ................................................................132
A.1
A.1.1
Setting the transmit levels ..................................................................................................133
A.2
LNB, BUC & Antenna Installation ........................................................................................134
A.2.1
Choosing the LNB & BUC ..................................................................................................134
A.2.2
LNB Physical Installation....................................................................................................134
A.2.3
Antenna Alignment .............................................................................................................134
A.2.4
Satellite Position.................................................................................................................134
A.2.5
Antenna Pointing Angles....................................................................................................135
A.2.6
Pointing the Antenna ..........................................................................................................137
A.2.7
Input Level Range Versus Symbol Rate ............................................................................138
APPENDIX B S/N TO Eb/No CONVERSION ..........................................140
APPENDIX C EMBEDDED ROUTER......................................................144
APPENDIX D Turbo product Code Performance ................................147
APPENDIX E DVB-S2 Theoretical Performance .................................160
AMT-70/AMT-73/AMT-75 Installation and Operation
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