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SDM-300L3 Satellite Modem
Front Panel Operation
FUNCTION SELECT: CONFIGURATION: MODULATOR:
FSK OUTPUT
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 <ENTER> 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
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 <ENTER> to execute the change.
FSK OUTPUT
OFF
ODU POWER SUPPLY
OFF
4–14
Revision 1
MN/SDM300L3.IOM
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