Nortel DMS-100 Series Maintenance Manual page 278

7-58 OPM alarm clearing procedures
Ext FSP
OPM cabinet major
22
23
24
25
297-8361-550 Standard 04.01 September 2000
(continued)
Unseat all the line cards in the drawer.
Note: Do not remove the line cards from the drawer.
If you
handle any one of fuses 01 to 05 step 23
handle an RA or RB fuse
handle any one of fuses 06 to 15 step 22
DANGER
Risk of fire
For continued protection against risk of fire, make sure to
replace the blown fuse with a fuse of the same type, rating
(color code), and vendor.
Insert the +15V fuse first. Insert the -48V fuse second.
If the fuse
blows again
does not blow
Obtain a replacement fuse with the same voltage and amperage as the blown
fuse.
Remove the blown fuse.
DANGER
Risk of fire
For continued protection against risk of fire, make sure to
replace the blown fuse with a fuse of the same type, rating
(color code), and vendor.
Insert the replacement fuse.
If the fuse
blows again
does not blow
Do
step 23
Do
step 26
step 28
Do
step 26
step 28