CRS-300 1:10 Redundancy Switch MN/CRS300.IOM
Front Panel Operation Revision 19
6–3
6.1.1.2 Modem Status LED Indicators
This array of front panel LEDs, located below the Unit Status LED Indicators group, keypad, and
VFD, show the operational status for up to 10 Traffic Modems (six LEDs per modem) plus the
Redundant Modem (five LEDs). They function independently as follows:
UNIT STATUS
Normal operation (no Unit, Tx or Rx Fault)
Red
•
Rx and Tx fault for SLM-5650/5650A
Orange
•
•
TRANSMIT PROMPT
Normal operation (no Tx Fault)
RECEIVE PROMPT
Normal operation (no Rx Fault)
(Traffic modems only,
Normal operation (no Deferred Maintenance Alarm)
Orange Deferred Maintenance Alarm
ONLINE
Normal operation (Modem traffic active to/from User)
No modem traffic active to/from User
BRIDGED
Orange
Traffic modem is bridged or in “Hot Standby” – verifies that
Redundant Modem is configured identically to this modem