Rf Mode Control - Comtech EF Data SNM-1001L Installation And Operation Manual

SNM-1001L Satellite Modem
Front Panel Operation
FUNCTION SELECT: UTILITY: MODULATOR: ODU ALARM - LOW
Sets ODU Alarm – Low within 0 to 4000 mA, in 1 mA steps. An alarm is produced whenever the
ODU or BUC current falls below the programmed limit.
FUNCTION SELECT: UTILITY: MODULATOR: ODU ALARM - HIGH
Sets ODU Alarm – High within 0 to 4000 mA, in 1 mA steps. An alarm is produced whenever the
ODU/BUC current exceeds the programmed limit. The low limit shall be less than the high limit.
FUNCTION SELECT: UTILITY: MODULATOR: RF MODE CONTROL
This menu control several operational variations of the Transmitted (TX) L-Band. This menu
allows Front Panel selection of the RF Mode setting that was previously available from the
remote port using RS-232/485 communications.
Selection
Normal Mode
Power (prime Power)
COMM
Carrier Detect (CD)
Notes:
1. For the RF ON Condition: the TX-IF shall be programmed On.
2. For RTS TX-IF, when enabled overrides CD.
ODU ALARM - LOW
0 MA
ODU ALARM - HIGH
4000 mA

RF MODE CONTROL

NORMAL
Operation
The TX carrier is tuned Off when prime power is applied to the modem.
The TX carrier is tuned Off if prime power is applied and remote port
communications is not detected after 10 seconds.
The TX carrier is tuned Off when CD is not detected.
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Revision 1
MN/SNM1001L.IOM