Nortel Meridian 1 Replacement Manual page 175

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.
Call processing will stop when the NT8D19 card is removed.
1 Unhook the locking devices on the memory/peripheral signaling card;
pull it out of the card cage.
2 Insert the replacement card into the vacated slot and hook the locking
devices.
3 The system will sysload when the NT8D19 card is inserted.
Press the reload button on the QPC687 CPU Card to activate a clean
sysload.
4 Tag defective equipment with a description of the problem and package
it for return to a repair center.
Replacing equipment
WARNING
CAUTION
Page 175 of 362
Hardware replacement