Comtech EF Data CDM-Qx Installation And Operation Manual page 10

CDM-Qx Satellite Modem
Table of Contents
APPENDIX B. FLASH UPGRADING ................................................................................. B-1
B.1 Ethernet FTP upload procedure: .............................................................................. B-1
APPENDIX C. REMOTE CONTROL................................................................................... C-1
C.1 RS-485 .......................................................................................................................... C-1
C.2 RS-232 .......................................................................................................................... C-2
C.3 Basic Protocol ............................................................................................................. C-2
C.4 Packet Structure.......................................................................................................... C-3
C.4.1 Start Of Packet ...................................................................................................... C-3
C.4.2 Address ................................................................................................................. C-3
C.4.3 Instruction Code .................................................................................................... C-4
C.4.4 Instruction Code Qualifier...................................................................................... C-4
C.4.5 Message Arguments ............................................................................................. C-6
C.4.6 End Of Packet ....................................................................................................... C-6
C.5 Remote Commands .................................................................................................... C-6
C.5.1 TX Remote Commands......................................................................................... C-9
C.5.2 RX Remote Commands ...................................................................................... C-12
C.5.3 Common Remote Commands for Tx or Rx or Modem ........................................ C-16
C.5.4 Query Commands ............................................................................................... C-25
C.5.5 Bulk Commands .................................................................................................. C-34
C.5.6 BUC Commands ................................................................................................. C-36
C.5.7 LNB Commands .................................................................................................. C-38
C.5.8 Built-in BERT commands (BER Tester) .............................................................. C-40
C.5.9 Spectrum Analyzer Commands........................................................................... C-41
C.5.10 Drop & Insert Commands (E1 CCS Only) for D&I++....................................... C-42
APPENDIX D. CARRIER-IN-CARRIER
D.1 Carrier-in-Carrier
D.2 Degradation Due To Carrier Spacing ....................................................................... D-2
D.3 Selecting The Adjacent Carrier Curve...................................................................... D-5
D.4 Carrier-in-Carrier
D.5 Symbol Rate Ratio ..................................................................................................... D-8
D.6 CnC Carrier Offset...................................................................................................... D-8
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D.7 1 CnC Example: Adjacent Carriers, CnC Ratio and Rain Fade ............................ D-8
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PERFORMANCE CHARACTERIZATION ........ D-1
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Description.................................................................................. D-1
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Ratio (CnC Ratio)........................................................................ D-6
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MN/CDMQx.IOM