
CDM-840 Remote Router Revision 2
Introduction MN-CDM840
1–5
1.3.3 CDM-840 Physical Features
1.3.3.1 Front Panel
Figure 1-4. CDM-840 – Front Panel View
The CDM-840 Remote Router front panel (Figure 1-4) features eight Light-Emitting Diode (LED)
indicators. These LEDs convey operational states as follows:
UNIT STATUS
No Unit Faults or Alarms.
No Unit Faults, but an Alarm exists.
A Unit Fault exists (Example: PSU fault).
STORED
EVENT
Amber
There is a Stored Event in the log, which can be viewed from the Web Server
Interface
There are no Stored Events.
ONLINE
The Unit is On Line, and carrying traffic.
Off
The Unit is Off Line (standby) – forced by externally connected 1:1 or 1:N
redundancy system.
TEST MODE
There is no Test Mode currently selected.
TRANSMITTER
ON
The Transmitter Carrier is On.
A Fault exists that causes the unit to turn off the carrier.
The Transmitter Carrier is Off.
Tx TRAFFIC
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.
A Tx Traffic Fault exists.
Rx TRAFFIC
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.
An Rx Traffic fault exists (the demod may still be OK).
GE
LINK/ACTIVITY
Traffic Ethernet is connected, but no traffic exists.
Ethernet activity detected.
Traffic Ethernet is not connected.
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