Comtech EF Data SDM-300L3 - Manual (Page 9)

SDM-300L3 Satellite Modem Revision 1
Preface MN/SDM300L3.IOM
vii
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 Loop Timing 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. G.703 ............................................................................................................ 12–1
CHAPTER 13. FULLY ACCESSIBLE SYSTEM TOPOLOGY (FAST)................................ 13–1
CHAPTER 14. SPECIFICATIONS..................................................................................... 14–1
14.1 Specifications ............................................................................................................ 14–1
14.2 Specification Summary............................................................................................. 14–3
14.3 L-Band Modulator Specification Summary ............................................................. 14–4
14.4 Demodulator Specification Summary...................................................................... 14–5