Lucent Technologies Release 7 User Manual

DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r

555-230-126

Issue 4

June 1999

Maintenance Object Repair Procedures

9-1671

TBRI-BD (TN2185 ISDN Trunk-Side BRI)

occurs frequently, it may indicate a LAPD parameter mismatch. LAPD
should recover from this problem, but it may degrade the performance of
the LAN bus.

When this error is reported, maintenance reads and clears the board
counter and logs the problem in the maintenance error log.

n. Bad translation RAM detected, but the call continues by using another

translation location. The circuit pack reports this error when it cannot
update NPE/NCE memory and read it back. This error is not
service-affecting and can be ignored, but can lead to other types of errors
against this circuit pack.

System Technician-Demanded Tests: Descriptions
and Error Codes

When inspecting errors in the system, always investigate tests in the order listed
below. By clearing error codes associated with the

Control Channel Loop Around

Test, for example, you may also clear errors generated from other tests in the
testing sequence.

Control Channel Loop Around Test (#52)

Refer to the repair procedure described in the "XXX-BD (Common Port Circuit
Pack)" section.

NPE /NCE Audit Test (#50)

Refer to the repair procedure described in the "XXX-BD (Common Port Circuit
Pack)" section.

SAKI Sanity Test (#53)

This is a destructive test.

Refer to the repair procedure described in the "XXX-BD (Common Port Circuit
Pack)" section. This test is only run as a part of a reset board procedure.

Order of Investigation

Short Test

Sequence

Long Test
Sequence

D/ND

D = Destructive; ND = Nondestructive

Control Channel Loop-Around Test (#52)

NPE/NCE Audit Test (#50)

LAN Receive Parity Error Counter Test (#595)