Nortel DMS-100 Series Replacement Procedures page 726

1-694 XPM card replacement procedures (continued)
NTBX36
in an RSC-S (DS-1) Model B LCME
12
13
14
15
297-8021-547 Standard 14.02 May 2001
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 Ensure a card shroud and line card extractor are available.
Remove the line card to be replaced by following 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.
f Continue pulling the card with the extractor until the card is clear of the
shroud.
g Insert the card removed into the ESD container and store using local
procedures.
Replace the faulty card by following these substeps:
a Remove the replacement card from the ESD container.
b Slide the card in the shroud guide slots toward the drawer backplane.
c Hold the front cover of the line drawer with your left hand to steady it.
d Grasp the top and bottom edges of the card with the fingers of your right
hand.
e Push the card toward the backplane until it plugs fully into the backplane
socket.
f Close the line drawer.
Replace the -48V, +5V, and +15V fuses (in that order) for the line drawer
containing the BIC that was replaced.
Use the following information to determine the next step in this procedure.
If you entered this procedure
from
alarm clearing procedures
other
(continued)
Do
step 26
step 16