M3900 installation and configuration Page 201 of 504
Telephones and Consoles Description, Installation, and Operation
Procedure 37
Installing the Single KBA footstand
1 Insert the clips on both the telephone and the KBA into the hinges on the
footstand assembly, and press on the front of the footstand until they snap
into place.
2 While squeezing both the telephone and the KBA tilt handles, swing the
footstand into the desired position.
3 Turn the completed assembly upright.
Installing the Expansion KBA footstand
Use Procedure 38 to install the Expansion KBA footstand.
Procedure 38
Installing the Expansion KBA footstand
1 Place the Single KBA footstand and the Expansion KBA footstand face
down on a flat surface.
2 Align the Expansion KBA footstand with the Single KBA footstand and
slide them together.
3 Insert two screws through the Expansion KBA plate into the Single KBA
footstand.
4 Tighten all four screws, ensuring that the two footstand assemblies are
properly aligned.
5 Insert the clips on the telephone and the KBAs into the hinges on the
combined Single Expansion KBA footstand Assembly, and while
squeezing the Module tilt handles, swing the footstand into the desired
position.
6 Turn the completed assembly upright.
Installing the Display-Based Accessory Module
The Display-Based Accessory Module (DBA) gives you three layers of eight
programmable line/feature (soft-labeled) keys, for a total of 24 (keys 32
through 55).