Technical data

Preparation

This section describes the preparations required before commissioning the device. This

includes connecting the key extension modules (not included in the package) as well as the

receiver and/or headset (not included in the package). Furthermore, this includes installing

the telephone in a suitable location.

Connecting Key Extension Modules

Requirements

– Up to three COMfortel Xtension30 key extension modules

– The mounting hardware accompanying the key extension modules (special

fasteners, screws and connection cable)

– Telephone, switched off (disconnected from the 230 V power source – if

present – and disconnected from the network)

Steps to Take

1. Place the telephone and the key extension modules to be connected on the

table in the position in which they are to be assembled.

Note: The key extension modules (up to three are possible) can either be

attached on the right or on the left side of the telephone. They cannot be

distributed between both sides.

2. Rotate the telephone and key extension modules so that the underside is

in front of you.

3. Use the special connector included in the package to put the components

together as shown in Fig. 1 on page 10 at the bottom.

Note: In the Fig. 1 on page 10, the modules have been attached on the left

next to the receiver.

4. Attach each of the special fasteners using the four accompanying screws.

5. Insert the narrower RJ-10 connector on the accompanying module connec-

tion cable in the jack labelled with on the underside of the telephone.

6. Insert the wider RJ-11 connector end of the module connection cable in-

cluded in the package in the jack labelled on the bottom of the first key

extension module.

7. Additional modules: Insert the narrower RJ-10 connector on the accompa-

nying module connection cable in the jack labelled with on the under-

side of the key extension module connected previously.

Preparation