11- Install Optional Equipment; 12- Power Fail Options - NEC Xn120 Getting Started Manual

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Configure the Xn120

11- Install Optional Equipment

Refer to the installation guide supplied with each optional item for instructions.

Before you install any optional item you must power off the Xn120 system.

You may find it easier to install each item individually rather than all at the same time. Power on the Xn120

after each item is installed and test it before continuing.

! Ensure you power off the Xn120 before installing the next item.

You must be able to make outside calls in the event of a

There are various options available for power failure operation.

1. Plug a normal telephone directly into the exchange line socket.

If your exchange lines are provided with a normal telephone socket you can unplug the Xn120 connection and

plug a normal telephone into the socket to make/receive calls.

You can plug a phone in each exchange line socket if you wish.

! Do not attempt to plug a Xn120 system phone into an exchange line socket – you will damage the phone.

2. Use the power fail setting on the Xn120.

This will require a normal telephone connected to telephone socket ST8 of the Xn120 and an exchange line

connected to CO1.

You must set the power fail link (CN500) on the Xn120 main board, see the diagram below.

Remove the sub cover of the Xn120 unit.

Loosen the two screws and remove the Main cover of the Xn120.

Loosen the

two screws

IMPORTANT

power failure

Lift off

cover

Xn120 Getting Started Guide

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