
3. Installation
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Statutory Information
Applications
The built-in communicator is suitable for connection to the following types of
networks:
(a) Direct exchange lines (PSTN) supporting DTMF (tone) dialling.
(b) PABX exchanges (with or without secondary proceed indication).
Note: The built-in communicator is not suitable for connection as an extension
to a pay-phone or to 1 + 1 carrier systems.
Compatible PABXs
The built-in communicator is only approved for use with compatible PABXs.
Correct operation in all circumstances is not guaranteed.
Approval
The built-in communicator is manufactured to meet all European Economic
Area telecommunication networks requirements. It has been approved in
accordance with Council Decision 98/482/EC for pan-European single-
terminal connection to the public switched telephone network (PSTN).
However due to differences between the individual PSTNs provided in
different countries, the approval does not, of itself, give an unconditional
assurance of successful operation on every PSTN network termination point.
The built-in communicator has been approved for the following usage:
(a) Automatic call initialisation.
(b) Operation in absence of indication to proceed.
(c) Automatic dialling.
(d) Modem.
(e) Serial connection.
(f) Multiple repeat attempts.
(g) Line status monitoring.
Usage other than approved usage or failure to comply with the installation and
programming instructions may invalidate any approval given to the apparatus
if, as a result, the apparatus ceases to comply with the standards against
which approval was granted. Note the approval label on the main PCB.
In the event of problems you should contact your equipment supplier in the
first instance.
Ringer Equivalence Number
The Ringer Equivalence Number (REN) of the built-in communicator is 1. As a
guide to the number of items that can be simultaneously connected to an
exclusive line, the sum of the REN values should not exceed 4. A standard
telephone (as provided, for example, by BT in the UK) has a REN value of 1.
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