Nortel DMS 100 Series Maintenance Manual page 114

5-4 RSC-M alarm clearing procedures
Ext RSC-M/RCO2
RSC-M cabinet with MSP shelf major
Clearing an Ext FSP major alarm for an RSC-M cabinet with an MSP shelf
At the front of the RSC-M cabinet
1
2
3
4
5
6
297-8223-550 Standard 04.02 November 2000
Determine if the FAN FAIL lamp on the MSP is lit.
If the FAN FAIL lamp
is lit
is not lit
Determine if the CONVERTER FAIL LED on any power converter in the
RSC-M cabinet is lit.
If CONVERTER FAIL LED
is not lit
is lit
Determine if any fuses on the MSP are blown.
If a fuse
is blown
is not blown
Obtain a replacement fuse with the same voltage and amperage as the blown
fuse.
Remove the blown fuse.
DANGER
Risk of fire
To protect against risk of fire, replace the blown fuse with a
fuse of the same type, rating (color code), and vendor.
Insert the replacement fuse.
If the fuse
does not blow again
(continued)
Do
step 35
step 2
Do
step 3
step 7
Do
step 4
step 40
Do
step 34