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DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-1912VC-BD
9
System Technician-Demanded Tests: Descriptions
and Error Code
Control Channel Looparound Test (#52)
Refer to the repair procedure described in the XXX-BD (Common Port Circuit
Pack) maintenance documentation as Control Channel Looparound Test (#52).
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive; ND = Nondestructive
Control Channel Loop-Around Test (#52)
2
2. Refer to the repair procedure described in the XXX-BD (Common Port Circuit Pack)
maintenance documentation for a description of this test.
!
CAUTION:
If the TN788 Voice Conditioner Circuit Pack (VC-BD) is not Vintage 2 or
later, it must be replaced.
XXND