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BT Diverse Helpline – 08457 908 070
59
GENERAL INFORMATION
Technical information
How many telephones can you?
All items of telephone equipment have
a Ringer Equivalence Number (REN),
which is used to calculate the number
of items which may be connected to
any other telephone line.
The BT Diverse 5410 or 5450 (with up
to 6 handsets) 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 Diverse
5410 or 5450 is used in conjunction with
three extension telephones, each with a
REN of 1, then the total REN = 4).
Only use approved power supply, item
code C39280-Z4-C478.
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 TBR6. For a copy of the
Declaration of Conformity please
contact the BT Diverse Helpline on
08457 908070.
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