User guide

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If you experience any problems, please call the Helpline on 0870 240 3962* or email [e-mail]
General information
Technical information
How many telephones can you have?
All items of equipment have a Ringer Equivalence
Number (REN) which is used to calculate the
number of items that may be connected to any
one telephone line.
The BT Paragon 650 has a total REN of 1. Any other
instrument provided by BT may be assumed to have
a REN of 1 unless stated otherwise.
A total REN of 4 is allowed per telephone line.
(For example, if the BT Paragon 650 is used in
conjunction with three extension telephones,
each with a REN of 1, then the total = 4.)
R&TTE
This product is intended for use within the UK for
connection to the public telephone network and
compatible switchboards.
This equipment complies with the essential
requirements for the Radio Equipment and
Telecommunications Terminal Equipment Directive
(1999/5/EC). In demonstration with the Essential
Requirement for efficient use of the radio spectrum,
the product complies with EN301 406. For a copy of
the Declaration of Conformity please contact the BT
Paragon Helpline on 0870 240 3962* or email
[e-mail]