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Comtech EF Data SDM-300L3 User Manual

Page 159

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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.