Avaya S8700 Maintenance Manual page 2237

SYNC (Port-Network Synchronization)
From
A
Fig 1
Slips on DS1
facilities?
2 2
No
Slips on IPSI or
Tone-Clock, EIs, or SNIs?
4
No
Done
Figure 8-88. Synchronization Troubleshooting, Fig. 2 of 6
555-233-143
Yes
Examine
synchronization plan
for network.
Yes
Problem is in switch
or port network.
Make changes to
have switch operate
acccording to the
network's plan.
Should this be the
timing master?
Refer problem for
investigation at other
end of facility.
To Fig 5
D
Issue 1 May 2002
No
Yes
8-1515