Avaya MCC1 Maintenance Procedures page 211

Figure 60: Processing of PRI endpoint problems (page 1 of 2)
Maintenance Procedures
December 2003
START
Are there
YES
alarms or
FOLLOW REPAIR PROCEDURE
errors against
IN THE DS1-BD MO SECTION
DS1-BD?
NO
Are there
IF MULTIPLE ALARMS EXIST,
alarms or
YES
errors against
FOLLOWING ORDER: PI-BD,
PI-BD, PI-PT,
PI-SCI, PI-LINK,
ISDN-SGR, or
FOLLOW REPAIR PROCEDURE
ISDN-
LNK?
NO
YES
Are there
alarms or FOLLOW REPAIR PROCEDURE
errors against IN THE PE-BCHL MO SECTION
PE-BCHL?
NO
Does
the
PRI Terminal
YES
FOLLOW REPAIR PROCEDURE
Adapter or the
ISDN endpoint
equipment
indicate alarms or
errors? Check the
endpoint equipment
for status - not
the
SAT
NO
Is the
NO
administration
between the endpoint
equipment and the
switch consistent?
(for example, port
boundary,
width, etc.)
YES
TO A
PAGE 2
Troubleshooting ISDN-PRI endpoints (wideband)
INVESTIGATE IN THE
PI-PT, PI-SCI, PI-LINK,
ISDN-LNK, AND ISDN-SGR.
FOR APPROPRIATE MO.
RECOMMENDED BY THE PRI
TERMINAL ADAPTER
VENDOR
OR ISDN ENDPOINT
EQUIPMENT VENDOR
FIX ADMINISTRATION
MISMATCH
Troubleshooting
END
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