If You Are Adding The Expansion Unit To An Existing Xn120 System - NEC XN120 User Manual

5 ! Important
Set the NORMAL switch to the
ON position.

If you are adding the expansion unit to an existing XN120 system

System Start Up – Retain Customer Configuration
This will keep the existing XN120 configuration, you can then configure the new ports within the expansion unit.
Before you power on the system check that the NORMAL switch is set to ON. This will ensure that the system
memory retains your existing configuration.
1 ! Important
Set the NORMAL switch to the
ON position on the XN120
Main Unit.
Switching the XN120 OFF – when expansion units are installed.
! Be sure that no calls are in progress otherwise they will be cut off.
1. Turn the power switch off on the left side of each XN120 expansion unit.
2. Turn the power switch off on the left side of the XN120 main unit.
Switching the XN120 ON – when expansion units are installed.
1. Turn on the power switch on the left side of each XN120 expansion unit.
2. Turn on the power switch on the left side of the XN120 main unit.
System Start Up – Default Configuration
CAUTION! This will erase any customer configuration in the battery backed memory.
Before you power on the system set the NORMAL switch to OFF. This will ensure that the system is set to the
default configuration.
Set the NORMAL switch to ON after the system has started up.
XN120 Expansion Unit Guide
The NORMAL switch is located under the sub cover on the right side
of the station connection sockets.
The NORMAL switch is located under the sub cover on the right side
of the station connection sockets of the XN120 main unit.
Connect the Power & Start Up
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