Comtech EF Data C5 - Manual (Page 15)

C5/K1/K3 Integrated Satellite Terminal System Table of Contents
Rev. 0 xi
A.2.1.5 ASYNC Remote Operation ..................................................................................................... A–14
A.2.1.5.1 Configuration #1 (Local EIA-232 to Remote EIA-232)...................................................... A–17
A.2.1.5.2 Configuration #2 (Local EIA-232 to Remote EIA-485 [2-Wire])....................................... A–18
A.2.1.5.3 Configuration #3 (Local EIA-485 [2-Wire] to Remote EIA-232)....................................... A–19
A.2.1.6 ASYNC/AUPC Modem Defaults ............................................................................................ A–21
A.2.2 Decoder ............................................................................................................................................ A–22
A.2.2.1 Sequential Decoder.................................................................................................................. A–22
A.2.2.1.1 Theory of Operation............................................................................................................ A–23
A.2.2.2 Viterbi Decoder ....................................................................................................................... A–24
A.2.2.2.1 Specifications ...................................................................................................................... A–25
A.2.2.2.2 Theory of Operation............................................................................................................ A–25
A.2.2.3 Reed-Solomon Decoder........................................................................................................... A–26
A.2.3 Asymmetrical Loop Timing ............................................................................................................. A–27
A.3 Reed-Solomon Option ........................................................................................................................ A–31
A.3.1 Reed-Solomon Codec....................................................................................................................... A–31
A.3.1.1 Specifications .......................................................................................................................... A–32
A.3.1.2 Theory of Operation ................................................................................................................ A–33
A.3.1.3 Reed-Solomon Encoder........................................................................................................... A–33
A.3.1.4 Reed-Solomon Decoder........................................................................................................... A–36
A.3.1.5 Reed-Solomon Specifications (Optional) ................................................................................ A–37
A.3.1.6 Unpacking ............................................................................................................................... A–38
A.3.1.7 Installation ............................................................................................................................... A–38
APPENDIX B. REMOTE CONTROL OPERATION................................................... B–1
B.1 General ...................................................................................................................................................B–1
B.2 Message Structure .................................................................................................................................B–1
B.2.1 Remote Control ...................................................................................................................................B–2
B.2.2 Monitored Signals ...............................................................................................................................B–2
B.2.3 Faults Monitored .................................................................................................................................B–3
B.2.4 Start Character.....................................................................................................................................B–3
B.2.5 Device Address ...................................................................................................................................B–3
B.2.6 Command/Response ............................................................................................................................B–4
B.2.7 End Character......................................................................................................................................B–4
B.3 Configuration Commands/Responses ..................................................................................................B–5
B.3.1 Modulator............................................................................................................................................B–5
B.3.2 Demodulator........................................................................................................................................B–7
B.3.3 Interface ..............................................................................................................................................B–9
B.4 System...................................................................................................................................................B–13
B.5 Automatic Uplink Power Control (AUPC) Configuration Commands...........................................B–15
B.6 Status Commands/Responses..............................................................................................................B–17
B.7 Stored Faults ........................................................................................................................................B–25
GLOSSARY .................................................................................................................g-1