ATL Telex User Manual

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Telex Unit (ATU)

OPERATION & INSTALLATION MANUAL

Information in this document is subject to change without notice and
does not represent a commitment on the part of ATL Telecom Ltd. No
liability is accepted for any consequential losses resulting from errors or
omissions from this document.

Head Office/ Sales & Support Office
ATL Telecom Limited
Cypress Drive
St. Mellons
Cardiff
CF3 0EG
UK

Tel: [phone]
Fax: [phone]

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ATL Telecom

Telex Unit (ATU)

OPERATION AND INSTALLATION MANUAL

CONTENTS:

CE COMPLIANCE STATEMENTS
SAFETY INSTRUCTIONS
EMC WARNING STATEMENTS

1. INTRODUCTION

2. INSTALLATION STEPS

3. HOST SIDE CONNECTION DETAILS

4. CONFIGURATION

5. LED DISPLAY

6. USER RESPONSIBILITIES

ATL Part No. 1/267/000/610 ISSUE 4

March 2003

ATL TELEX UNIT (UK) : CE COMPLIANCE STATEMENTS

NOTE: The information contained in this document is supplied without
liability for errors or omissions. ATL Telecom Limited reserves the right to
make changes to this document at any time without notice.

POWER AND TEMPERATURE SPECIFICATIONS

Input Requirements : 230 V~ ±10% 65mA, 50Hz ± 5%
Temperature Range : 0 ~ 40 degrees C.

SAFETY STATEMENTS

1) This apparatus must be installed and maintained by SERVICE
PERSONNEL

2) The mains plug on the equipment serves as the disconnect device,
therefore a socket outlet shall be installed near the equipment and
shall be easily accessible.

3) For continued protection against risk of fire replace with same type and
rating fuse.

4) The TELEX LINE connection has a safety status of TNV3; the Host and
Printer (AUX) Interface port (D-Type) connections have a safety status
of EARTHED SELV and the mains connection has an EARTHED
HAZARDOUS VOLTAGE STATUS.

SYSTEM SPECIFICATION

The ATU is defined as a Front End Telex Terminal Apparatus (FE- TTA) with
an intermediate Telex Terminal Apparatus (1- TTA) built in.

Not more than one Intermediate Telex Terminal Apparatus (1- TTA) may be
connected between a telex terminal and the telex network.
As the ATU contains an (1-TTA) no further (1-TTA) may be connected
between the ATU and the Telex Network.

The ATU supports both PTS and CSCS signalling provided on lines supplied
by BT and Mercury.

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EMC STATEMENTS

WARNING This is a Class A product. In a domestic environment this

product may cause radio interference in which case the user may be
required to take adequate measures.

DURING INSTALLATION DO NOT DISCARD ANY CONNECTOR COVERS

To ensure continued compliance with the ESD criteria ensure any port or
connector that is not in use is protected by the cover or dummy plug
supplied.

WARNING

The lithium battery incorporated inside the ATU unit will react violently
with water and most gases. It is also important that batteries are not
crushed, incinerated or disposed of with normal waste. Therefore the
battery is classed as being NOT USER REPLACEABLE and the equipment
should be returned to the manufacturer or agent if battery replacement is
required.

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MANUFACTURERS DECLARATION*

ATL Telecom Ltd declares that this product is in conformity
with the essential requirements of the ‘R&TTE directives
1999/5/EC’

*A copy of the Declaration of Conformity is available upon request
from ATL Telecom Ltd.