Nortel DMS-100 Series Maintenance Manual page 276

7-56 OPM alarm clearing procedures
Ext FSP
OPM cabinet major
11
12
13
14
15
16
297-8361-550 Standard 04.01 September 2000
(continued)
If -48V fuse number is
14
15
Remove the blown fuse and the associated fuse. For example, if the blown
fuse is fuse number 06, remove fuse number 11.
Obtain a replacement fuse with the same voltage and amperage as 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 +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 associate +15V fuse number
09
10
Do
step 17
step 105
Do
step 19
step 105