Comtech EF Data SNM-1001L User Manual

Page 78

SNM-1001L Satellite Modem

Revision 1

Front Panel Operation

MN/SNM1001L.IOM

4–14

FUNCTION SELECT: CONFIGURATION: MODULATOR:

FSK

OUTPUT

FSK OUTPUT

OFF

Note: FSK is operational only with a BUC or ODU that incorporates FSK capabilities.

Programs the FSK Output On or Off. Upon entry, the current status of the FSK Output is displayed.
Press [

↑] or [↓] to make the selection. Press to execute the change.

The modem will attempt to communiate with the ODU/BUC when the FSK is tuned On. When the
communicateions are successful the Monitor menu willl indicate the ODU Output Level, ODU
Temperature, ODU, PLL Lock, ODU Software, and ODU Power Class ( for BUCs that support
these parameters). If communications are not established then all of the following are indicated as
faults under the Faults/Alarms: Outdoor Unit menu: Temperature, PLL Lock, and Checksum.

Every 10 seconds the modem will try to re-establish FSK communications. It is possible the address
the modem is using to contast the ODU/BUC differs from the address in the ODU/BUC. Usually the
default address = 1. Check this at the ODU FSK Address menu located under the Utility: Outdoor
Unit menu.

FUNCTION SELECT: CONFIGURATION: MODULATOR:

ODU POWER SUPPLY

OFF

Programs the ODU Power Supply On or Off. DC power is transmitted up the center conductor of the
TX-IF connector. Upon entry, the current status of the ODU Power is displayed. Press [

↑] or [↓] to

make the selection. Press to execute the change.