Communication Manager Maintenance-Object Repair Procedures
2150 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Figure 125: Synchronization Troubleshooting, Fig. 1 of 5
Slips
No
Yes
A
Is reference a
free-running Tone-Clock
Slips on
DS1 facilities?
SlipsonsomeDS1
facilities in same PN
as reference?
Yes
No
Problem is
in switch.
To Fig 4
To Fig 3
Problems with
reference PN or
synchronization plan
SlipsonIPSIorToneCLK,EIs
SNIs, or non-reference PN DS1s
B
D
1
2
3
Yes
No
Yes
No
or IPSI?
System is operating as
timing master.
Is the tone clock
or IPSI
designated as the
timing master?
C
Yes
No
To Fig 2
Use list sync to determine
if the tone clock is
designated as the master.
Use
stat sync
to determine
if the tone clock was
switched to.
Review synchronization plan.
Administer and enable
stat sync
stat sync
System is operating
as a timing slave in
the network.
synchronization.
To Fig 3
Is synchronization
administered and
enabled?
Use
display errors
and follow the repair procedures for non-slip errors
against, SYNC, TDM-CLK, TONE-BD, EXP-INTF, SNI-BD, and DS1C-BD
maintenance objects.
Non-Slip errors are those NOT listed below:
Board Type Name in Error Log Log Entry (for slips)
DS1 Interface DS1-BD 3073 to 3160
UDS1 Interface UDS1-BD 3073 to 3160
Expansion Interface EXP-INTF 2305
Switch Node Interface SNI-BD 1537
Tone-Clock TDM-CLK 1025
DS1 Converter DS1C-BD 3329
Start Here
DS1 Facility DS1-FAC 856