Nortel DMS-100 Series Maintenance Manual page 254

7-70 RLCM alarm clearing procedures
Ext FSP
RLCE frame major
26
27
28
29
297–8351–550 Standard 04.01 August 1999
(continued)
Determine if the wires in the drawer are loose or short-circuited.
If the wires
are loose or short-circuited
are not loose or short-circuited,
the fuse is a ringing voltage fuse
(RA or RB), and the five drawers
in the shelf are not done.
are not loose or short-circuited,
the fuse you deal with is a ringing
voltage fuse (RA or RB), and the
five drawers in the shelf are done.
are not loose or short-circuited,
the fuse is a line drawer fuses (01
to 15).
Reseat all the line cards in the drawer. Repeat steps 20 and 21 for the next
drawer.
Reseat the line cards one at a time.
Reseat each card. Determine if the fuse is blown.
If after you
reseat a line card, the fuse blows
again
reseat all of the line cards, the
fuse does not blow
Do
step 112
step 27
step 112
step 112
Do
step 30
step 105