Upgrading the System
Replacing Modules
10-13
11. Connect the line and extension cords one at a time, making sure to place the correct cords
into their corresponding jacks on the new module. (See “Connecting Lines and Extensions” on
page 2-16.)
12. Reconnect the power cord.
CAUTION:
The power cord should hang straight down from the connector, flush against the plastic
case. Do not install the power cord at an angle to the case or with a loop in it.
Replacing Modules in a 5-Slot Carrier 10
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. Loosen the thumb screw at the bottom of the carrier cover.
4. Rotate the carrier cover to disengage the tabs at the top of the modules from the openings on
the top of the carrier.
5. 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 (see
Figure 10-10).
Figure 10-10. Removing the Plastic Protector
Tab
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