Comtech EF Data SNM-1001L User Manual
Page 9
SNM-1001L Satellite Modem
Revision 1
Preface
MN/SNM1001L.IOM
iv
4.2
Menu System ............................................................................................................................... 4–4
4.2.1
Revision Emulation............................................................................................................... 4–5
4.2.2
Menu Tree............................................................................................................................. 4–6
4.3
OPENING SCREEN................................................................................................................... 4–7
4.3.1
FUNCTION SELECT: CONFIGURATION........................................................................ 4–7
4.3.2
FUNCTION SELECT: MONITOR .................................................................................... 4–39
4.3.3
FUNCTION SELECT: FAULTS/ALARMS...................................................................... 4–46
4.3.4
FUNCTION SELECT: STORED FLTS/ALMS................................................................. 4–50
4.3.5
FUNCTION SELECT: REMOTE AUPC (CONDITIONAL)......................................... 4–55
4.3.6
FUNCTION SELECT: UTILITY....................................................................................... 4–58
FUNCTION SELECT:UTILITY: DEMODULATOR: RX TERMINAL LO ................................... 4–70
FUNCTION SELECT: UTILITY: INTERFACE: BUFFER PROGRAM ..................................... 4–76
FUNCTION SELECT: UTILITY: OUTDOOR UNIT: ODU FSK ADDRESS
(CONDITIONAL) . 4–
78
4.4
Custom Modem Defaults .......................................................................................................... 4–97
CHAPTER 5.
MODEM TYPE...............................................................................................5–1
5.1
Modem Type................................................................................................................................ 5–1
5.1.1
AUPC Operation (with Reed-Solomon) ............................................................................... 5–2
5.1.2
Closed Network Operation (Comtech EF Data) ................................................................... 5–2
5.2
Custom Operation....................................................................................................................... 5–3
5.3
Reed-Solomon Modes ................................................................................................................. 5–4
CHAPTER 6.
CLOCKING AND RX BUFFERING SETTINGS.............................................6–1
6.1
Clocking Options......................................................................................................................... 6–1
6.1.1
EIA-232, EIA-422, or V.35 Master/Master .......................................................................... 6–1
6.1.2
EIA-232, EIA-422, or V.35 Master/Slave ............................................................................ 6–1
6.2
Buffering ...................................................................................................................................... 6–2
6.2.1
Buffer Size ............................................................................................................................ 6–2
6.3
Doppler......................................................................................................................................... 6–7
6.4
Plesiochronous............................................................................................................................. 6–8
6.5
Frame/Multiframe Length ......................................................................................................... 6–9
6.5.1
Multiples of the Frame Length.............................................................................................. 6–9
6.5.2
Total Buffer Length .............................................................................................................. 6–9
6.5.3
Converting Between Bits and Seconds ................................................................................. 6–9
CHAPTER 7.
FORWARD ERROR CORRECTION (FEC) ....................................................7–1