Nortel DMS-100 Series Maintenance Manual page 147

25
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.
Insert the replacement fuse.
If the fuse
blows again
does not blow
26 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,
and the fuse you are dealing with
is a ringing voltage fuse (RA or
RB), and you have not done all
five drawers in the shelf
no loose or short-circuited wires,
the fuse you are dealing with is a
ringing voltage fuse (RA or RB),
and you have done all five
drawers in the shelf
no loose or short-circuited wires,
and the fuse you are dealing with
is one of the line drawer fuses
(01 to 15)
27 Reseat all the line cards in the drawer and repeat steps 20 and 21 for the next
drawer.
28 Reseat the line cards one at a time.
RLCM-EDC alarm clearing procedures 5-33
RLCC-EDC cabinet major
Do
step 26
step 28
Do
step 97
step 27
step 97
step 97
DMS-100 Family Maintenance Manual ABSK007
Ext FSP
(continued)