Lucent Technologies Release 7 用户手册

Issue 4

June 1999

Alarms, Errors, and Troubleshooting 

5-73

Troubleshooting ISDN-BRI/ASAI Problems 

START

ARE THERE

ALARMS OR

ERRORS AGAINST

PKT-BUS

NO

YES

IS THIS A

CRITICAL RELIABILITY

SYSTEM?

NO

ARE THERE

ALARMS OR

ERRORS AGAINST

M/T-PKT

YES

IS THE

PROBLEM

ISOLATED TO

ARE THERE

ALARMS OR ERRORS

AGAINST EXP-INTF*

THE PPN

A

TO

PAGE

2

IS THE

ISDN-BRI

PROBLEM

RESOLVED

END

ARE THERE

ALARMS OR

ERRORS AGAINST

PKT-INT

IS THE

ISDN-BRI

PROBLEM

RESOLVED

NO

YES

YES

(DUPLICATED PNC)

NO

YES

NO

TO

PAGE

2

NO

B

FOLLOW THE

REPAIR

PROCEDURE

FOR PKT-INT

FOLLOW THE

REPAIR

PROCEDURE

FOLLOW THE

REPAIR

PROCEDURE

FOR M/T-PKT

YES

END

YES

YES

FOR EXP-INTF

NO

NO