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

9-1570SYNC (Synchronization)

9
Figure 9-94. Synchronization Troubleshooting, Page 1 of 6
3
SLIPS
ON DS1
FACILITIES?
SYSTEM IS
OPERATING AS
A TIMING SLAVE
IN NETWORK
REFERENCE
IS FREE RUN TONE
CLOCK OR FREE RUN
STRATUM III
SYNC
ENABLED
1
1
2
SLIPS
ENABLE
SYNCHRONIZATION
Yes
No
No
No
PAGE 5
SLIPS ON EIs, SNIs,
TONE CLOCKS OR
NON-REFERENCE PN DS1s
SYNCHRONIZATION ENABLED
IN SYSTEM OPERATING AS
NETWORK TIMING MASTER
APAGE 2
Yes
Yes
No
C
PROBLEM
IS IN
SWITCH
B
Yes
PROBLEMS WITH
REFERENCE PN OR
SYNCHRONIZATION
PLAN
PAGE 4
SLIPS
ON SOME DS1
FACILITIES IN
SAME PN AS
REF?