Nortel DMS-100 Series Maintenance Manual page 251

16
DANGER
Risk of fire
Replace the blown fuse with a fuse of the same type,
rating (color code) and vendor. This action provides
continued protection against risk of fire.
Insert the replacement fuse.
If the fuse
blows again
does not blow
17 Remove the blown fuse and its associated fuse. For example, if the blown fuse
is 06, also remove fuse 11.
18 Obtain a replacement fuse with the same voltage and amperage as the blown
fuse.
19 Use the following table to determine which drawer in the shelf below the fuse
panel is associated with the blown fuse.
Fuse number
01, 06, 11
02, 07, 12
03, 08, 13
04, 09, 14
05, 10, 15
Note: The RA and RB fuses supply ringing voltage to all five drawers in the
shelf. Array 0 houses drawers 0–4 and array 1 houses drawers 5–9.
RLCE frame major
Drawer number
Array 0
0 (leftmost)
1
2
3
4
DMS-100 Family RLCM Maintenance Manual XPM12 and up
RLCM alarm clearing procedures 7-67
Do
step 19
step 105
Drawer number
Array 1
5 (leftmost)
6
7
8
9
Ext FSP
(continued)