SLM-5650 Satellite Modem
Revision 1
Maintenance
MN/SLM5650.IOM
5–13
5.4.1
LED Display and Description
The 8 LED’s indicate fault, status, and alarm information located on the modem’s
front panel.
COLOR STATUS LED’s
RED
A RED COLOR indicates a fault currently exists. It is stored in the Event Log
memory.
YELLOW
A YELLOW COLOR indicates an alarm currently exists. It is stored in the Event
Log memory.
GREEN
A GREEN COLOR indicates no faults or alarms currently exist.
A total of 255 occurrences of any fault can be stored. Each fault or stored fault
indicated by a front panel LED could be one of many faults. Use the Fault or Stored
Fault front panel menu to determine which fault has occurred.
Alarms are considered minor faults. Alarms are shown in the Fault or Stored Fault
front panel menu by a reversed-contrast “+” that appears at the display panel (white
on black).
LED Description
Tx On
Modulator output status, if illuminated output is turned on.
IF LOCK
Demodulator Carrier Detect, if illuminated the carrier is locked
DATA LOCK
Decoder Data lock, if illuminated the decoder is locked.
REMOTE
Modem remote control status. If the LED is green the modem is in local
control, if yellow the modem is in remote control.
TEST MODE
Modem test mode indicator, if illuminated a test mode is enabled.
