User manual

DEFINITY ECS Release 8.2 Maintenance for R8.2csi

555-233-119 Issue 1

April 2000

Maintenance for csi systems

1-86LED Interpretation

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.