Table of Contents
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SDM-300L3 Satellite Modem
Preface
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
vii
Revision 1
MN/SDM300L3.IOM
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