Physical Features; Front Panel; Figure 1-4. Cdm-840 - Front Panel View - Comtech EF Data CDM-840 Installation And Operation Manual

CDM-840 Remote Router
Introduction
1.3.4

Physical Features

1.3.4.1

Front Panel

The front panel of the CDM-840 (Figure 1-4) features eight Light-Emitting Diode (LED)
indicators. The LEDs indicate, in a summary fashion, the following information:
LED Condition
Green
Amber
UNIT STATUS
Red
Amber
STORED
EVENT
Off
Green
ONLINE
Off
Amber
TEST MODE
Off
Green
TRANSMITTER
Red
ON
Off
Green (solid)
Green (blinking)
Amber
Tx TRAFFIC
Red
Off
Green (solid)
Green (blinking)
Amber
Rx TRAFFIC
Red
Off
Green (solid)
GE
Green (blinking)
LINK/ACTIVITY
Off
LED Indicators
Figure 1-4. CDM-840 – Front Panel View
No Unit Faults or Alarms.
No Unit Faults, but an Alarm exists.
A Unit Fault exists (Example: PSU fault).
There is a Stored Event in the log, which can be viewed from the Web Server Interface
There are no Stored Events.
The Unit is On Line, and carrying traffic.
The Unit is Off Line (standby) – forced by externally connected 1:1 or 1:N redundancy system.
A Test Mode is selected
There is no Test Mode currently selected.
The Transmitter Carrier is On.
A Fault exists that causes the unit to turn off the carrier.
The Transmitter Carrier is Off.
No Tx Traffic Faults, no packets.
No Tx Traffic Faults, blinks when a packet is being transmitted to the satellite link from this unit.
A Tx Traffic Alarm exists.
Tx Traffic has a Fault.
A Tx Traffic Fault exists.
No Rx Traffic Faults (demod and decoder are locked, everything is OK).
No Rx Traffic Faults, blinks when a packet is being received from the satellite link to this unit.
Rx Traffic has an Alarm.
Rx Traffic has a Fault.
An Rx Traffic fault exists (the demod may still be OK).
Traffic Ethernet is connected, but no traffic exists.
Ethernet activity detected.
Traffic Ethernet is not connected.
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