Nortel DMS-100 Series Maintenance Manual page 267

Summary of clearing an OPM (RG) major alarm
Access PM level
at MAP and
silence alarm
PostISTb
LCM
Query for
faults
List of cards
that have
faults?
N
LED light on?
N
TST the LCM
2
unit
TST passed?
4
Replace
4
ringing
generator
BSY ISTb LCM
unit
TST the LCM
unit
Y
TST passed?
1
Power up ringing
Y
generator
Y
3
N
DMS-100 Family OPM Maintenance Manual XPM14 and up
OPM alarm clearing procedures
This flowchart summarizes the
procedure.
Use the instructions that follow
to perform the procedure.
Y
N
5
RTS passed
2
5
Replace
1
cards that
have faults
3
OPM (RG)
major
(continued)
RTS LCM
unit
Y
3
N
5
Contact next
level of
support
End of procedure
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