Comtech EF Data CRS-300 - Manual (Page 197)

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:
LED Condition Description
UNIT STATUS
Green Normal operation (no Unit, Tx or Rx Fault)
Red
• Unit Fault
• Rx and Tx fault for SLM-5650/5650A
Orange
• Tx or Rx Fault
• TMI not installed
TRANSMIT PROMPT
Green Normal operation (no Tx Fault)
Off Tx Fault
RECEIVE PROMPT
Green Normal operation (no Rx Fault)
Off Rx Fault
DEFERRED
(Traffic modems only,
CDM-600/L, CDM-625/A)
Off Normal operation (no Deferred Maintenance Alarm)
Orange Deferred Maintenance Alarm
ONLINE
Green Normal operation (Modem traffic active to/from User)
Off 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
Off Not bridged