Avaya 03-300430 User Manual
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?
Slips on some DS1
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
reference PN or
synchronization plan
Slips on IPSI or Tone CLK, EIs
SNIs, or non-reference PN DS1s
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?
or IPSI
designated as the
timing master?
C
Yes
No
To Fig 2
Use list sync to determine
if the tone clock is
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
Administer and enable
stat sync
stat sync
System is operating
as a timing slave in
the network.
as a timing slave in
the network.
synchronization.
To Fig 3
Is synchronization
administered and
enabled?
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
against, SYNC, TDM-CLK, TONE-BD, EXP-INTF, SNI-BD, and DS1C-BD
maintenance objects.
Non-Slip errors are those NOT listed below:
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