Nortel DMS-100 Series Replacement Procedures page 622

1-590 XPM card replacement procedures (continued)
NTBX27
in a STAR or RLD
Line card insertion /
withdrawal tool for
3-inch cards
Card removal tool for
3-4 inch cards
Note: For 4-inch or larger cards, use the large grip tool ITA9953.
6
7
297-8021-547 Standard 14.02 May 2001
(continued)
Put on a wrist strap.
Note: A card shroud is required for inserting or removing cards in line
drawers. A description of this shroud follows.
Note: A card removal tool is required for removing cards from line
drawers. A descriptions of this tool follows.
To prepare to remove the faulty card, open the line drawer and follow these
substeps:
a Face the drawer shelf and grasp the handle at the bottom of the drawer
with your right hand.
b Push up on the drawer latch with your thumb and pull the drawer out until
fully withdrawn. It is fully withdrawn when the drawer stop, at the top,
prevents further travel.
c Maintain a slight pull on the handle and lift the faceplate of the drawer
approximately 2.5 cm (1 in).
d 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 cm (.5 in) to
the right.
e Hold the drawer in this position with your left hand and lower the faceplate
of the drawer by releasing the grip of your right hand.
f Mke sure a card shroud and line card extractor are available.
To remove the line card to be replaced, follow these substeps:
a Slide a card shroud over the card to be removed and an adjacent card. If
there is not an adjacent card on either side, do not use the card shroud.
b Grasp the edge of the card with a line card extractor at a point midway
between the top and bottom edges. Hold the extractor in your right hand.
c Squeeze the handles of the extractor together to grasp the card tightly.
d Hold the front cover of the line drawer, to steady it, using your left hand.
e Pull the extractor away from the drawer and the card will become
unplugged from its socket on the drawer backplane.
Apparatus code
QTH56A
Apparatus code
QTH57A
Common product code
A0298291
Common product code
A0298292