2 traffic modem status led indicators – Comtech EF Data CRS-500 User Manual
Page 121

CRS-500 1:N Redundancy System
Revision 2
CSU Front Panel Operation
MN-CRS500
7–5
7.1.3.2 Traffic Modem Status LED Indicators
These sets of four front panel LEDs indicate
operational status for up to 10 Traffic Modems.
Each LED set is functional when the CRS-500
detects the presence of a Traffic Modem. When
active, the LEDS behave as described in Table 7-2:
Table 7-2. Traffic Modem Status LED Indicators Group
LED
Color / State Condition
UNIT STATUS
Green
Normal operation (no Unit, Tx or Rx Fault)
Red
Unit Fault
TX STATUS
Green
Normal operation (no Tx Fault)
Off
Tx Fault
RX STATUS
Green
Normal operation (no Rx Fault)
Off
Rx Fault
ONLINE
Green
Normal operation (Modem traffic active to/from user)
Off
User traffic is routed through Redundant Modem 1
TRAFFIC MODEM
(Numerical
Indicators 1-10)
Green
Traffic Modem is active and communicating with CRS-500
Green Flashing Traffic Modem is bridged or backed up by Redundant Modem 1
Red Flashing Ethernet communication error between CRS-500 and Traffic Modem
Orange
TMI present but not active
Note: UNIT STATUS, TX STATUS, RX STATUS, and ONLINE LEDs will not be
illuminated in this state