Nortel DMS-100 Series Maintenance Manual page 275

Insert the +15V fuse first, then the -48V fuse.
If the fuse
blows again
does not blow
21 Get a replacement fuse with the same voltage and amperage as the blown
fuse.
22 Remove the blown fuse.
23
Insert the replacement fuse.
If the fuse
blows again
does not blow
24 Determine if the drawer has any loose or short-circuited wires.
If there are
loose or short-circuited wires
no loose or short-circuited wires, the fuse you are
dealing with is a ringing fuse and you have not in-
spected all of the LSGs in the group
no loose or short-circuited wires, the fuse you are
dealing with is a ringing fuse and you have inspected
all of the LSGs in the group
no loose or short-circuited wires, the fuse you are
dealing with is one of the line drawer fuses
25 Reseat all the line cards in the drawer and repeat steps 18 and 19 for the next
LSG in the group.
26 Reseat the line cards one at a time.
Star Remote System alarm clearing procedures
SRHE frame major
DANGER
Risk of fire
For continued protection against risk of fire, replace the
blown fuse with a fuse of the same type, rating (color code),
and manufacturer.
DMS-100 Family NA100 Star Remote System XPM15 and up
Do
step 24
step 26
Do
step 24
step 26
Do
step 68
step 25
step 68
step 68
11-9
Ext FSP
(continued)