Nt8D41 Dual Or Quad Port Serial Data Interface Card - Nortel Meridian 1 Hardware Replacement Manual

NT8D41 Dual or Quad Port Serial Data Interface card

— If a slave was replaced successfully, you will receive "PWR053
XSMC xx 0 0" ("x" is the system monitor address).
— If there is a problem with a slave, you will receive system message
"PWR013 XSMC xx 0 0."
— If there is no problem, exit LD 37:
****
6 Tag defective equipment with a description of the problem and
package it for return to a repair center.
The serial data interface (SDI) paddle board attaches to the rear of the
backplane in an NT6D39 CPU/Network Module. Use this procedure to
replace an SDI paddle board.
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.
CAUTION
Loss of Data
If the system terminal is assigned to the SDI being
replaced, assign it to another port before this SDI is
disabled.
Replacing equipment
Hardware Replacement
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