Maintenance-Object Repair Procedures
555-233-143
8-1848
Issue 1 May 2002
System Technician-Demanded Tests:
Descriptions and Error Code
Control Channel Loop-Around Test (#52)
See the repair procedure described in
‘‘XXX-BD (Common Port Circuit Pack)’’
‘‘Control Channel Loop-Around 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.
See repair procedures described in
‘‘XXX-BD (Common Port Circuit Pack)’’
.
!
CAUTION:
If the TN788 Voice Conditioner circuit pack (VC-BD) is not
Vintage 2 or later, it must be replaced.
X
X
ND
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...