363-206-305 Trouble Clearing:
TAD-100
Issue 3, June 2000 Page 5 of 6
DDM-2000 F
IBER
R
EACH
N
ARROWBAND
S
HELF
Special service trouble reports are received at the special services center (SSC). The
NBS can provide 2-wire locally switched special services, coin service,
4-wire special services, and data service. The Channel Unit Installation tab in
363-208-001,
SLC
-2000
Access System User/Service Manual
, contains procedures
to install and test channel units for a
SLC
-2000 system host. These procedures can
be used to clear in-service special service troubles by performing the tasks to add
channel service for the type of channel unit that has trouble. These procedures will
clear the trouble conditions if the host system is causing the problem. Procedures in
this document will clear troubles caused by the NBS system. Customer equipment,
drop pairs, or central office (or network) equipment can also cause the trouble
condition.
CONCLUSION
When procedures in this document do not locate the trouble, an obscure trouble or
multiple troubles are assumed to exist. The necessary schematic drawings (SDs),
circuit descriptions (CDs), etc., should be available to assist in locating an obscure
wiring problem.
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