Nortel DMS-100 Series Maintenance Manual page 262

7-26 Alarm clearing procedures
OPAC talk battery alarm
Critical
(continued)
Summary of clearing a OPAC talk battery alarm Critical alarm
Access PM level
at MAP and
silence alarm
Post ISTb
LCM
Query PM for
faults
Talk battery
alarm
generated?
Y
Circuit breakers
CB2 or CB4
tripped?
Y
Reset circuit
breakers
Circuit breakers
restored
Y
1
297-8211-550 Standard 05.01 August 1999
BSY ISTb LCM
2
unit
Replace talk battery
filter
TST the LCM
5
unit
TST passed?
N
5
N
5
RTS LCM
unit
N
2
This flowchart summarizes the
procedure.
Use the instructions that follow
this flowchart to perform the
procedure.
Y
3
N
4
3
N
4
RTS
passed?
Y
1
1
End of procedure
4
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level of
support