Nortel DMS-100 Series Maintenance Manual page 518

8-178 OPM card replacement procedures
NT6X60
in an OPM HIE
At the OPM cabinet
9
10
297-8361-550 Standard 04.01 September 2000
(continued)
and pressing the Enter key.
where
lcm_unit
is the LCM unit (0 or 1) as seen in step 5
Turn OFF the circuit breaker for the ringing generator to be replaced by using
the information in the following table:
IfCircuit breaker
CB2
CB3
Put on a wrist strap.
DoRinging Generator
RG-0
RG-1
DANGER
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 OPM cabinet. This protects
the equipment against damage caused by static electricity.
DANGER
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.