Nortel DMS-100 Series Replacement Procedures page 725

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Remove the -48V, +5V, and +15V fuses (in that order) for the line drawer

containing the BIC to be replaced.

Put on a wriststrap.

Note: Card shrouds are required for inserting or removing cards in line

drawers. Two sizes are available for use with 3-inch and 6-inch cards, as

shown in the following table.

Line card insertion /

withdrawal tool for

3-inch cards

6-inch cards

Note: Card removal tools are required for removing cards from line

drawers. Two sizes are available, as shown in the following table.

Card removal tool

3—4 inch cards

Note: For 4-inch or larger cards, use the large grip tool ITA9953.

To prepare to remove the faulty card, open the line drawer and follow these

Face the drawer shelf and grasp the handle at the bottom of the drawer

with your right hand.

Push up on the drawer latch with the thumb and pull the drawer out until

fully withdrawn. It is fully withdrawn when the drawer stop, at the top,

prevents further travel.

Maintain a slight pull on the handle and lift the faceplate of the drawer

approximately 2.5 cm (1.0 in).

While holding the drawer in this position, push the bottom of the drawer,

nearest the shelf with your left hand, to a position about 1.0 cm (0.5 in) to

DMS-100 Family NA100 Card Replacement Procedures Volume 6 of 7 LET0015 and up

XPM card replacement procedures (continued)

in an RSC-S (DS-1) Model B LCME

Special tools required

Card shrouds and removal tools are required for removing

cards from the line drawers.

Apparatus code

Apparatus code

Common product

Common product