Troubleshooting A Customer-Reported Failure No Pm Alarms - Nortel North American DMS-100 Instruction Manual

1-632 Trouble locating and clearing procedures (continued)
Troubleshooting a customer-reported failure
No PM alarms
(continued)
Summary of Troubleshooting a customer-reported failure - no PM alarms
Identify FRIU
and channel
Post FRIU
Is the FRIU
in service?
Y
Clear LIM,
LIMF, and other
PM alarms
Check
operational
measurements
Post channel
297-8021-544 Standard 14.02 May 2001
N
Perform the
correct alarm
clearing procedure
Is channel
manual busy?
Y
Return channel
to service
This flowchart summarizes the
procedure.
Use the instructions in the
procedure that follows this
flowchart to perform the
procedure.
N
Is customer
running
Datapath?
Y
Clear Datapath
faults
N
Perform loop
test to locate
fault
End