SDM-300L3 Satellite Modem
Revision 1
Front Panel Operation
MN/SDM300L3.IOM
4–91
FUNCTION SELECT: UTILITY: MODULATOR:
ODU
ALARM
-
LOW
ODU ALARM - LOW
0 MA
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
ODU ALARM - HIGH
4000 mA
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
RF MODE CONTROL
NORMAL
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
Operation
Normal Mode
Power (prime Power) The TX carrier is tuned Off when prime power is applied to the modem.
COMM
The TX carrier is tuned Off if prime power is applied and remote port
communications is not detected after 10 seconds.
Carrier Detect (CD)
The TX carrier is tuned Off when CD is not detected.