Nortel DMS-100 Series Maintenance Manual page 553

Replacing a line card
At your current location:
1
Proceed only if you have been directed to this procedure from a step in a
maintenance procedure. Using this procedure independently may cause
equipment damage or loss of service.
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
Star Remote System card replacement procedures
DANGER
Improper handling could possibly damage cards
Store and transport circuit cards in electrostatic discharge
(ESD) protective containers to prevent electrical and
mechanical damage. When handling circuit cards not in ESD
protective containers, stand on a conductive floor mat and
wear a wrist strap, connected through a 1-megohm resistor to
a suitably grounded object such as a metal workbench or a
DMS frame. (Refer to Nortel Networks Corporate Standard
5028.)
DANGER
Equipment damage
Take these precautions when removing or inserting a card.•
Do not apply direct pressure to the components.• Do not
force the cards into the slots.
DANGER
Hot materials
Exercise care when handling the line card. The line feed
resistor may be very hot.
CAUTION
Special tools required
Card shrouds and removal tools are required for removing
cards from the line drawers. For descriptions of these tools,
refer to the note at the end of this procedure.
DMS-100 Family NA100 Star Remote System XPM15 and up
Replacing a line card
STAR or RLD
(continued)
12-205