User manual

DEFINITY ECS Release 8.2 Maintenance for R8.2csi

555-233-119 Issue 1

April 2000

Maintenance Objects

3-1260VC-BD

i. The circuit pack is hyperactive — it is flooding the switch with messages

sent over the control channel. The circuit pack is taken out of service when

a threshold number of these errors is reported to the switch. Clear the

alarm by using

busyout board PCSS

reset board PCSS

test board

PCSS long clear

, and

release board PCSS

. If the error recurs within 10

minutes, then replace the circuit pack.

System Technician-Demanded Tests: Descriptions

and Error Code

CAUTION:

If the TN788 Voice Conditioner Circuit Pack (VC-BD) is not Vintage 2 or

later, it must be replaced.

Note:

a. Refer to the repair procedure described in the ‘‘XXX-BD (Common Port

Circuit Pack)’’) maintenance documentation for a description of this test.

Control Channel Loop Around Test (#52)

Refer to the repair procedure described in the XXX-BD (Common Port Circuit

Pack) maintenance documentation as Control Channel Loop Around Test (#52).

Order of Investigation

Short Test

Sequence

Long Test

Sequence D/ND

1. D = Destructive; ND = Nondestructive

Control Channel Loop-Around Test (#52) (a) X X ND