User Guide

Setup and assembly

Note: The Expansion Module uses the electrical connection of the

IP Deskphone for power. It does not have its own power source.

Expansion Module startup initialization

Once the Expansion Module has been installed and powered up on the

IP Deskphone, the Expansion Module initializes.

Table 1 lists the initialization process for the Expansion Module.

Table 1: Initializing Expansion Module

Phase Description

Expansion

Module performs

self-test

The self-test confirms the operation of the

Expansion Module local memory, CPU, and other

circuitry. While undergoing this self-test, the

Expansion Module display lights up.

Note: If the Expansion Module display does not

light up, or lights up and then goes blank, or fails to

begin flashing, check that the Expansion Module is

correctly installed and configured.

Expansion

Module

establishes

communication

with the

IP Deskphone

The Expansion Module display flashes until it

establishes communication with the IP Deskphone.

If the Expansion Module display does not stop

flashing, communication has not been established

with the IP Deskphone. Check that the Expansion

Module is correctly installed and configured.

Expansion

Module

downloads key

maps

The key labels download to the Expansion Module.

During the download, the display is blank.