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Expansion Module 1100 Series User Guide
Chapter 2
Introduction
This document describes the Expansion Module for IP Phone 1100 Series (expansion module) and
how to use it with the compatible IP Phone 1100 series telephones.
The following topics are covered in this chapter:
• “Expansion module overview” on page 17
• “Setup and assembly” on page 19
• “Controls and settings” on page 19
• “Shift/Outbox key” on page 19
• “Services key” on page 19
• “Display Diagnostics menu” on page 20
Expansion module overview
The expansion module is supported on the following IP Phones:
• IP Phone 1120E
• IP Phone 1140E
The expansion module is a hardware accessory that connects to an IP Phone to provide additional
line and feature keys. The module is a
graphical expansion module with 18 self-labeling keys.
The supported IP Phone 1100 series phones can support a maximum of three expansion modules at
one time. This allows the IP Phone 1120E and IP Phone 1140E to have a maximum of 54
additional line or feature keys with three expansion modules.
Figure 1 on page 18 shows the IP Phone 1140E with one expansion module attached.
Wall mounting
You can mount the expansion module with an IP Phone using the wall mount template and
mounting bracket provided with your expansion module.