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6 Maintaining Your System
Replacing Modules 79
Quick Reference Guide
Replacing Modules in a 5-Slot Carrier
Replacing a module in a 5-slot carrier involves many of the steps used in
installing the modules.
CAUTION:
Before starting, verify that you have batteries installed in the processor
module by viewing the display of the telephone at extension 10.
Follow these steps to replace a module in a 5-slot carrier:
1 Move the On/Off switch to the “Off” position (“O”).
2 Remove the power cord from the wall outlet.
3 Perform the following steps to remove the cover:
a Loosen the thumb screw at the bottom of the carrier cover.
b Rotate the carrier cover to disengage the tabs at the top of the modules
from the openings on the top of the carrier cover.
4 Before installing a module, remove the clear, plastic protector from the
connector area on the rear of the module by grasping the tabs on the ends
of the protector and lifting.
5 Check the slack in the wires. If there is not enough slack to remove the
module without pulling the line and extension cords free, label and
disconnect the wires.
6 Place one hand on top of the module. With the other hand, grip the plastic
bracket on the bottom front of the module, and pull out the old module.