Nortel DMS 100 Series Maintenance Manual page 113

Summary of clearing an Ext FSP major alarm for a RSC-M cabinet with an MSP shelf
Y
FAN FAIL
lamp lit?
N
Y
CONVERTER
FAIL LED lit?
N
Y
Fuse
blown?
N
Clear other Ext
FSP alarms
DMS-100 Family Remote Switching Center Multi-Access Maintenance Manual XPM11 and up
RSC-M cabinet with MSP shelf major
Repair cooling
unit
Y N
FRAME FAIL
LED lit?
Replace power
converter
CONVERTER N
FAIL LED lit?
Y
Replace alarm
module
N
Y
FRAME FAIL
LED lit?
Replace fuse
1
RSC-M alarm clearing procedures
This flowchart summarizes the
procedure.
Use the instructions that follow
this flowchart to perform the
procedure.
N
FRAME FAIL
LED lit?
Y
Contact next
level of support
Ext RSC-M/RCO2
(continued)
N
Ext FSP
1
Alarm clears?
Y
End
5-3