Avaya 3900 Series User Manual page 89

second KBA, you also need to order the Key-based Expansion Module Kit 2 (NTMN38BA),
which includes the expansion KBA footstand assembly.
Figure 17: Key-based Expansion Module
Install the Key-based Expansion Module Accessory
1. While depressing the telephone tilt handle, pull the telephone away from the
2. Place the telephone and the Module face down on a non-abrasive surface, and align
3. Plug the cable from the Module into the 10-pin connection port on the telephone.
4. Thread the cable through the opening in the side of the telephone.
5. Install the Single KBA Footstand (see
Add a second Key-based Expansion Module Accessory
1. Place the telephone and the two Modules face down on a non-abrasive surface.
2. Plug the cable from the second Module into the 10-pin slot on the first Module.
3. Thread the cable through the routing clips on both Modules (see Figure 8 on page
4. Install the Expansion KBA Footstand (see
Avaya 3900 Series Digital Deskphones User Guide
footstand until it clears the final stop. Gently pull the footstand off the clips.
If an ACM is installed, unplug the ACM and remove it from the footstand. Install the
ACM in the Single KBA Footstand Assembly.
them.
90).
11).
Assembly on page 90).
Key-based Expansion Module Accessory (KBA)
Install a Single KBA Footstand
Install an Expansion KBA Footstand
on page
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