Specifications

SDM-300L3 Satellite Modem Revision 0
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. ASYMMETRICAL LOOP TIMING .................................................................12–1
12.1 Asymmetrical Loop Timing .....................................................................................................12–1
CHAPTER 13. G.703.............................................................................................................13–1
13.1 G.703 ..........................................................................................................................................13–1
13.1.1 G.703 Specifications...........................................................................................................13–1
CHAPTER 14. FULLY ACCESSIBLE SYSTEM TOPOLOGY (FAST) ................................14–1
14.1 FAST System Theory................................................................................................................14–1
14.1.1 Implementation ...................................................................................................................14–1
CHAPTER 15. SPECIFICATIONS.........................................................................................15–1
15.1 Specifications.............................................................................................................................15–1
15.2 Specification Summary.............................................................................................................15–3
15.3 L-Band Modulator Specification Summary ...........................................................................15–4
15.4 Demodulator Specification Summary .....................................................................................15–5
15.5 L-Band Modulator Specifications............................................................................................15–6