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7

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Position the wall mount slots on the bracket of the unit 
over the two screws on the wall. Pull down and lock 
into place.

-

Beneath the earpiece section of the cradle you will 
find a small tab. Pull this up to form the hook for the 
handset.

When you are on the telephone, you sometimes need to put 
the handset down for a moment.  There is a special hook at 
the back (top) of the unit so that you can hang the handset 
on the unit when it is wall mounted, without terminating 
the call.

4.  APPROVED USE

The NRX 4 can be connected to the Public Switched 
Telephone Network (PSTN) and compatible to 
PABX's but not connected in the following manner: -

1. As an extension to a payphone.
2. On shared service line or 1+1 carrier system.

Network Compatibility

The NRX 4 has been approved persuant to 
commission decision 1999/303/EC for pan-European 
connection to the public switched telephone network 
(PSTN).  However, due to differences between the 
individual PSTNs provided for in different countries, 

the approval does not, of itself, give an 
unconditional assurance of successful operation on 
every PSTN network termination point.

In the event of problems you should contact your 
equipment supplier in the first instance.
The NRX 4 has been designed to interwork with the 
following networks.

Austria

ü

Germany

ü

Liechtenstein

ü

Spain

ü

Belgium

ü

Greece

ü

Luxembourg

ü

Sweden

ü

 

Denmark

ü

Iceland

ü

The Netherlands

ü

Switzerland

ü

Finland

ü

Ireland

ü

Norway

ü

UK

ü

France

ü

Italy

ü

Portugal

ü

This product may have interworking problems with 
the following networks.

Austria

Germany

Liechtenstein

Spain

Belgium

Greece

Luxembourg

Sweden

 

Denmark

Iceland

The Netherlands

Switzerland

Finland

Ireland

Norway

UK

France

Italy

Portugal

5.  CE APPROVED

This unit has been EMC tested and meets the 
requirements with respect to EN50081-1 emissions and 
EN50082-1 immunity.

6

Approved Use

6. 

THE NUMBER OF TELEPHONES THAT MAY BE CONNECTED 

If you connect too many telephones to your line they may not ring correctly. To determine the number of telephones that can be 
satisfactorily connected to your line, add together the ringer equivalent numbers (RENs) of all the equipment you wish to 
connect.  If this number exceeds four, your telephones may not ring. Your NRX 4 telephone has an REN of one (1). BT 
telephones have an REN of one unless otherwise marked.

7.  WARRANTY

Trojan Telecom have built the NRX 4 telephone to a high standard.   Our warranty reflects our belief that during it’s 
working life you should not experience any mechanical failures.

However, on the rare occasion a breakdown occurs, the NRX telephone is covered by a two year warranty.

Trojan Telecom will at all times use a sensible and supportive attitude towards warrantable returns, working with you 
in identifying ‘no fault found’.

The following terms and conditions apply:

1) Where we find a genuine warranty failure, Trojan Telecom will replace the faulty instrument with  a one-for-one 
replacement.

2) It is the responsibility of the user to return the faulty telephone to Trojan Telecom.  We ask you to cover this cost 
and we will return your replacement telephone at our expense.

3) We reserve the right to repair the faulty item or replace it with a similar telephone of the same make.

Warranty

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