DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Maintenance Object Repair Procedures
9-1671TBRI-BD (TN2185 ISDN Trunk-Side BRI)
9
occurs frequently, it may indic ate a LAPD parameter mismatch. LAPD
should recover from this prob lem, but it may degrad e the performance of
the LAN bus.
When this error is reported, maintenance read s and clears the board
counter and logs the p roblem in the maintenance error log .
n. Bad translation RAM detected , but the call continues b y using another
translation location. The circuit p ack reports this error when it canno t
update NPE/NCE memory and read it back . This error is not
service-affecting and can be ignored , but can lead to other typ es of errors
against this circuit p ack.
System Technician-Demanded T ests: Descripti ons
and Error Codes
When inspecting errors in the system, al ways investigate tests in the order listed
below. By clearing error cod es associated with the

Control Channel Loop Around

Tes t ,
for example, you may also clear errors g enerated from other tests in the
testing sequence.
Control Channel Loop Around Test (#52)
Refer t o the r epai r proc ed ure de scr ibed in th e "XXX-BD (C ommon Port C ircu it
Pack)" section.
NPE /NCE Audit Test (#50)
Refer t o the r epai r proc ed ure de scr ibed in th e "XXX-BD (C ommon Port C ircu it
Pack)" section.
SAKI Sanity Test (#53)
This is a destructive test.
Refer t o the r epai r proc ed ure de scr ibed in th e "XXX-BD (C ommon Port C ircu it
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/ND1
1. D = Destructive; ND = Nondestruc tive
Control Channel Loop-Around Test (#52) X X ND
NPE/NCE Audit Test (#50) X ND
LAN Receive Parity Error Counter Test (#595) X ND