Nortel DMS-100 Manual page 96

Summary of Recovering a composite clock
Check log
PM181
Determine LIM
with ISTb
LIU7s, MLIUs
and HLIUs
Is either
F-bus in ISTb
state?
Y
Is the TSG
working?
Does the
HLIU require
recovery?
Y
Return the HLIU
to service
2
Is the composite
clock problem
cleared?
Y
Is the HLIU
cleared of
ISTb state
Y
3
Recovering a composite clock
Contact next
N
1
level of support
N N
Wait for the
TSG to recover
N
2
N
1
N
Clear the HLIU of
ISTb state
DMS-100 Family NA100 Recovery Procedures LET0015 and up
System level recovery procedures
This flowchart summarizes the
procedure.
Use the instructions in the
procedure that follows this
flowchart to perform the
procedure.
3
2
End
3
2-49
(continued)