Installation guide

Installation
41-001525-00 REV00 – 10.2014 6
Attaching Multiple M685i Expansion Modules
Multiple M685i Expansion Modules (up to a total of three) can be daisy-chained to a phone providing a total of 252
softkeys (three modules with three pages of 28 softkeys each).
Use the following procedure to connect additional M685i Expansion Modules to your IP phone:
1. Turn your phone and connected M685i Expansion Module over so that the back is facing you.
2. Turn your additional M685i Expansion Module(s) over so that the back of the module(s) is/are facing you.
3. Connect the additional M685i Expansion Module(s) to your initial M685i Expansion Module using the connector plate(s) as indicated
in the illustration below.
4. Using a #2 Philips head screwdriver, screw in the 6mm screw(s) into the hole(s) labelled D.
A B
D
A
B
D
A
B
D
A B
D
A
B
D
A
B
D
D
D