DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Maintenance Object Repair Procedures

9-1572SYNC (Synchronization)

9
Figure 9-96. Synchronization Troubleshooting, Page 3 of 6
USE THE FACILITY FAULT
SECTIONALIZATION
TECHNIQUE SECTION WITH
SLIP COUNTS AS THE
PASS/FAIL INDICATION TO
ISOLATE THE TROUBLE
Yes
Yes
No
No
REPLACE THE
CIRCUIT PACKS:
•TONE CLOCK IN
TIMING MASTER PN
•DS1 IN TIMING
MASTER PN
IS THERE A
LOSS OF SIGNAL
OR NETWORK
ALARM?
6
7
65
FROM
PAGE 4
ESCALATE IF THE
PROBLEM IS
NOT FIXED
FIX STRAT-3
ALARMS
FIX DS1-BD AND
UDS1-BD ALARMS
SLIPS ON
REFERENCE
FACILITY?
D
Yes
No
STRAT-3
ALARMS?
CHECK THE OVERALL TIMING
NETWORK TO VERIFY THE
SOURCE IS TRACEABLE
BACK TO THE SAME SOURCE
(EXAMPLE, HILLSBORO, MO.)
8
8
ARE THERE
MANY FACILITIES WITH
EXCESSIVE SLIPS?
Few
Many
PROBLEM
IN SWITCH
TO
PAGE 5
C