Demand test descriptions and error codes - Avaya Support

Figure 77: Synchronization Troubleshooting, Fig. 2 of 5
From
Fig 1
A
Slips on any DS1
facilities?
2
No
Slips on IPSI or DS1-C or
Tone-Clock, EIs, or SNIs
?
4
Done
No
Yes
Yes
Examine the
synchronization plan
for the network.
Use the list sync
command
Problem is internal to
the switch
D
SYNC (Port Network Synchronization)
To Fig 4
There is an administration
discrepancy. This system is
administered as the timing
master but it should not be
because there are DS1 spans
with more accurate clocks.
Yes
E
No
Does the
administration of this
system agree with the
Network synchronization
plan? Make sure that
there is only one
master clock source.
This system is administered and
is acting as the timing master.
This is by intent so the slipping
facilities must be tie trunks.
To Fig 3
Issue 5 May 2009 901