DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance for csi systems
1-86LED Interpretation
1
TN798 Processor Circuit Pack LEDs
The front panels of the Processor circuit pack and the Maintenance circuit pack
are identical. Each has two groups of LEDs. One group indicates the status of the
pack, and the other group (which includes the Major, Minor, and Warning alarms
described in the
‘‘Alarm and Error Reporting’’
section) reflects maintenance
conditions in the entire system. See
Figure 1-26
.
■ Red (alarm)—the system has detected a fault in this circuit pack.
NOTE:
Alarms on the PROCR, PR-MAINT, MEMORY, and PR-MEM MOs are
indicated by the red LED on the Processor circuit pack.
■ Green (test)—the system is running tests on this circuit pack.
■ Yel lo w ( b us y )—this circuit pack is in use.
■ MAJOR ALARMS (red)
■ MINOR ALARMS (red)
■ EMERGENCY TRANSFER (red)—indicates emergency transfer has been
invoked
NOTE:
If the AC power cord is unplugged, the emergency transfer feature
invokes, however the EMERGENCY TRANSFER LED (red) is not lit
due to loss of AC power.