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A.5 led display and description – Comtech EF Data SLM-5650A User Manual

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SLM-5650A Satellite Modem

Revision 8

Appendix A

MN-SLM5650A

A–12

A.5 LED Display and Description

The ten LEDs located on the modem’s front panel indicate status,

fault, and alarm information.

COLOR

LED STATUS

GREEN

GREEN indicates no faults or alarms currently exist.

ORANGE

ORANGE indicates an alarm currently exists. It is stored in the Event Log memory.

RED

RED indicates a fault currently exists. It is stored in the Event Log memory.

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 remote control; if off, the

modem is in local control.

TEST MODE

Modem test mode indicator. If illuminated, a test mode is enabled.