Nortel DMS-100 Series Maintenance Manual page 500

8-182 Card replacement procedures
NT6X60
HIE
(continued)
At the FSP
9
10
At the HIE
11
297–8351–550 Standard 04.01 August 1999
Turn OFF the circuit breaker for the ringing generator to be replaced by using
the information in the following table:
Circuit breaker
CB2
CB3
WARNING
Static electricity damage
Before removing any cards, put on a wrist strap and
connect it to the wrist strap grounding point on the left side
of the frame supervisory panel of the LCM. This protects
the equipment against damage caused by static electricity.
WARNING
Equipment damage
Take these precautions when removing or inserting a card:
1. Do not apply direct pressure to the components.
2. Do not force the cards into the slots.
Put on a wrist strap.
Remove the NT6X60 card as follows:
1. Locate the card to be removed on the appropriate shelf.
2. Open the locking levers on the card to be replaced and gently pull the card
towards you until it clears the shelf.
3. Place the card you have removed in an electrostatic discharge (ESD)
protective container.
4. Ensure that the replacement card has the same product equipment code
(PEC), including suffix, as the card you just removed.
5. Examine the switch settings (if any) of the card just removed. Ensure that
the switch settings on the replacement card match those of the card being
replaced.
Ringing Generator
RG–0
RG–1