Comtech EF Data SDM-300A - Manual (Page 12)

SDM-300A Satellite Modem Revision 6
Preface MN/SDM300A.IOM
viii
10.4.9 D&I Framing Formats.......................................................................................................................10–20
10.4.10 D&I Modem Defaults ........................................................................................................................10–23
10.4.11 D&I Primary Data Interface ..............................................................................................................10–24
10.4.12 D&I Framing .....................................................................................................................................10–24
10.5 G.703 ........................................................................................................................................................10–25
CHAPTER 11. ASYNCHRONOUS INTERFACE/AUPC...................................................................................11–1
11.1 Asynchronous Interface/AUPC................................................................................................................11–1
11.2 AUPC..........................................................................................................................................................11–4
11.2.1 AUPC - Between Two Modems..........................................................................................................11–5
11.2.2 Self-Monitoring Local Modem AUPC Control .....................................................................................11–6
11.3 ASYNC .......................................................................................................................................................11–7
11.3.1 Terrestrial Data Interfaces..................................................................................................................11–7
11.3.2 ASYNC Data Interfaces......................................................................................................................11–7
11.3.3 Mux Operation....................................................................................................................................11–8
11.3.4 Demux Operation ...............................................................................................................................11–8
11.3.5 Buffer Operation.................................................................................................................................11–8
11.3.6 LoopTiming Operation........................................................................................................................11–9
11.3.7 Baseband Loopback Operation..........................................................................................................11–9
11.3.8 Non-ASYNC Operation ....................................................................................................................11–10
11.4 ASYNC Channel EIA-485 2- and 4-Wire operation ...............................................................................11–10
11.4.1 Valid ASYNC Baud Rates ................................................................................................................11–11
11.4.2 Front Panel Operation......................................................................................................................11–11
11.4.3 ASYNC Remote Operation...............................................................................................................11–12
11.4.4 ASYNC/AUPC Modem Defaults.......................................................................................................11–24
CHAPTER 12. ASYMMETRICAL LOOP TIMING.............................................................................................12–1
CHAPTER 13. DUPLEX REED-SOLOMON CODEC .......................................................................................13–1
CHAPTER 14. 8-CHANNEL MULTIPLEXER ...................................................................................................14–1
14.1 Introduction...............................................................................................................................................14–1
14.2 Installation.................................................................................................................................................14–2
14.3 8-Channel Multiplexer Specifications .....................................................................................................14–4
14.4 8-Channel Multiplexer 100-pin Connector (J10).....................................................................................14–5