Nt8D01 Controller Card - Nortel Meridian 1 Replacement Manual

Page 164 of 362

NT8D01 Controller Card

553-3001-520 Standard 16.00 April 2000
Replacing equipment
Use this procedure to replace a controller card.
See the X11 Administration (553-3001-311) for a description of all
maintenance commands, and the X11 System Messages Guide
(553-3001-411) for interpreting system messages.
Module covers are not hinged; do not let go of the cover. Lift the cover
away from the module and set it out of your work area.
Removing equipment
1 Turn off power to the module:
— With AC power, set the associated circuit breaker on the module
power supply (MPDU) to OFF (down).
Note: If there are two circuit breakers on the MPDU, the top one is
associated with the module power supply, the bottom one with the
ringing generator.
— With DC power, set the switch on the module power supply to OFF
(down).
2 Software disable the controller card (and all cards connected to the
controller):
LD 32
DSXP x
3 Unhook the locking devices on the card; pull it out of the card cage.
Installing equipment
1 Insert the replacement card into the vacated slot and hook the locking
devices.
2 Turn on power to the module:
— With AC power, set the associated circuit breaker on the MPDU to
ON (up).
WARNING
"x" is the controller card number