Avaya S8700 Maintenance Manual page 654

Maintenance Object Repair Procedure
System Technician-Demanded Tests:
Descriptions and Error Code
Order of Investigation
Control Channel Loop-around test (#52)
1. D = Destructive; ND = Nondestructive
2. See repair procedures described in
Control Channel Loop-Around Test (#52)
See the repair procedure described in
''Control Channel Loop-Around Test
8-1350 Issue 1 May 2002
''XXX-BD (Common Port Circuit
!
CAUTION:
If the TN788 Voice Conditioner circuit pack (VC-BD) is not
Vintage 2 or later, it must be replaced.
Short Test Long Test
Sequence Sequence
2
X X
Pack)''.
''XXX-BD (Common Port Circuit Pack)''
(#52)''.
1
D/ND
ND
as
555-233-142