Comtech EF Data SDM-9000 - Manual (Page 76)

Operation SDM-9000 Satellite Modem
4–2 Rev. 4
All functions are accessible at the front panel by entering one of five pre-defined
Function Select categories or levels:
•
Configuration
•
Monitor
•
Faults/Alarms
•
Stored Faults/Alarms
•
Utility
4.1.1 LED Indicators
General modem summary fault information, status, and alarms are indicated by the
10 LEDs on the front panel. The LEDs, when lit, indicate the following information:
LED Color Description
Faults
TX Red A fault condition exists in the TX chain.
RX Red A fault condition exists in the RX chain.
Common Red A common equipment fault condition exists.
Stored Yellow A fault has been logged and stored. The fault may be active.
Status
Power ON Green Power is applied to the modem.
TX ON Green TX is currently on. This indicator reflects the actual condition of
the TX, as opposed to the programmed condition.
Carrier Detect Green Decoder is locked.
Test Mode Yellow Flashes when the modem is in a test configuration. The test
mode status can be identified in the Utility System menu in
Figure 4-14.
Alarms
TX Yellow A TX function is in an alarm condition.
RX Yellow AN RX function is in an alarm condition.