Comtech EF Data SDM-300A Installation And Operation Manual page 9

SDM-300A
A.3.1 Overhead Interface PCB Installation................................................................................................ A-69
A.3.1.1 Installation ............................................................................................................................... A-70
A.3.2 Hardware Upgrades.......................................................................................................................... A-72
A.3.2.1 Main PCB ................................................................................................................................ A-72
A.3.2.2 Overhead Interface PCB.......................................................................................................... A-73
A.3.3 8-Channel Multiplexer Option ......................................................................................................... A-74
A.3.3.1 Installation ............................................................................................................................... A-75
A.3.3.2 Specifications Summary.......................................................................................................... A-77
A.3.4 Flex Mux .......................................................................................................................................... A-79
A.3.4.1 Installation ............................................................................................................................... A-83
A.3.4.2 Pin Assignment........................................................................................................................ A-85
APPENDIX B. REMOTE CONTROL OPERATION ................................................... B-1
B.1 General ...................................................................................................................................................B-1
B.2 Message Structure .................................................................................................................................B-2
B.2.1 Start Character.....................................................................................................................................B-2
B.2.2 Device Address ...................................................................................................................................B-2
B.2.3 Command/Response............................................................................................................................B-4
B.2.4 End Character......................................................................................................................................B-4
B.3 Configuration Commands/Responses ..................................................................................................B-5
B.3.1 Modulator Configuration Commands .................................................................................................B-5
B.3.2 Demodulator Configuration Commands .............................................................................................B-7
B.3.3 Interface Configuration Commands ....................................................................................................B-9
B.3.4 System Configuration Commands.....................................................................................................B-15
B.3.5 Automatic Uplink Power Control (AUPC) .......................................................................................B-16
B.3.6 MUX PCB Configuration Commands (MUX PCB Installed Only)..................................................B-18
B.3.7 Flex Mux Configuration Commands (Flex Mux PCB Installaed Only)............................................B-19
B.4 Status Commands/Responses .............................................................................................................B-22
B.4.1 Modulator Configuration Status........................................................................................................B-22
B.4.2 Demodulator Configuration Status....................................................................................................B-26
B.4.3 Error Performance .............................................................................................................................B-33
B.5 Stored Faults ........................................................................................................................................B-36
B.6 Flex Mux Configuration Commands (Flex Mux PCB Installed Only) ...........................................B-54
APPENDIX C. SPECIFICATIONS.............................................................................. C-1
C.1 Specifications......................................................................................................................................... C-1
C.1.1 General Specifications.........................................................................................................................C-1
C.2 Modulator Specifications ..................................................................................................................... C-4
C.2.1 Digital Data Rate.................................................................................................................................C-4
C.2.2 Modulation and Encoding Types ........................................................................................................C-6
C.2.3 Scrambling Types................................................................................................................................C-7
C.2.4 Differential Encoder............................................................................................................................C-7
C.2.5 BPSK Bit Ordering .............................................................................................................................C-7
C.2.6 Interleaver (Reed-Solomon Codec).....................................................................................................C-7
C.2.7 Transmit Frequency (IF) .....................................................................................................................C-8
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Preface
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