Nortel Meridian 1 Hardware Replacement Manual page 203

See Administration (553-3001-311) for a description of all maintenance
commands, and System Messages Guide (553-3001-411) for interpreting
system messages.
DANGER
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 Software disable the controller card (and all cards connected to the
controller):
LD 32
DSXP x
2 Turn off power to the column or the module power supply and ringing
generator (if equipped):
— With AC power, set the main circuit breaker for the column to OFF
(down) in the rear of the pedestal.
DANGER OF ELECTRIC SHOCK
Due to hazardous voltage in AC-powered systems,
power to the entire column must be shut down. This
shuts down all functions in the column.
— With DC power, set the switch on the NT6D40 PE Power Supply
and NT6D42 Ringing Generator to OFF (down). Set the circuit
breaker for just this module to OFF (down) in the rear of the
pedestal. (All other modules in the column retain power.)
Replacing equipment
"x" is the controller card number
Page 203 of 250
Hardware Replacement