Comtech EF Data SLM-5650A - Manual (Page 85)

SLM-5650A Satellite Modem Revision 8
Front Panel Operation MN-SLM5650A
5–3
5.1.2 LED Indicators
The 10 LEDs on the front panel indicate:
• General modem summary fault information;
• Status;
• Alarms.
The behavior of the individual front panel LED indicators is as follows:
LED Color Condition
Unit Status
Green No Unit Faults or Stored Faults.
Red A Unit Fault exists.
Orange A Unit Alarm exists.
Tx Status
Green No Tx Traffic Faults or Alarms exist.
Orange A Tx Traffic Alarm exists.
Red A Traffic Fault exists.
Off Demod only.
Rx Status
Green No Rx Traffic Faults or Alarms exist.
Orange An Rx Traffic Alarm exists.
Red An Rx Fault exists.
Off Demod Faults are masked.
Tx On
Green
Transmitter is currently on (this indicator reflects the actual condition of the
transmitter, as opposed to the programmed condition).
Off Transmitter is currently off.
Stored Events
Orange Stored Events are logged.
Off No Stored Events are logged.
IF Lock
Green Demod has constellation lock.
Off No constellation lock.
Data Lock
Green Decoder is locked.
Off Decoder is not locked.
Remote
Green The modem is in Remote Communication Mode.
Off
The modem is in Local Mode – remote monitoring is possible, but no remote
control.
Test Mode
Orange A Test Mode is selected (Example: IF Loopback).
Off No Test Mode is selected.
Encryption On
Green Encryption is enabled.
Off Encryption is disabled.