Technical Information - BT Response 12 User Manual

Technical information

Official approval
The Response 12 is tested and approved
for connection to the UK
telecommunications network, provided
that it is used in accordance with the
guidelines in this booklet.
You may connect it to
• direct exchange lines;
• extensions with new plug and socket;
arrangements provided with these
direct exchange lines;
• compatible PBXs.
You may not connect it
• to shared service (party) lines;
• as an extension to a payphone.
This product is designed for UK use
only. Using it overseas may violate
local laws.
Ringer Equivalence Number (REN)
If you connect too many telephones or
other devices to your telephone line,
they may not ring correctly. To work out
how many telephones and devices can
be connected to your line, add together
all the RENs of all the apparatus you
wish to connect. If this total exceeds 4,
they may not ring or operate correctly.
The REN of your Response 12 and the
majority of telephones in the UK (unless
otherwise marked) is 1.
Response 12 - Edition 2 – 13th October '99
If you are connecting your
Response 12 to a PBX
Your Response 12 is only approved for
use with compatible PBXs. For a list of
suitable PBXs, telephone BT on
Free
have a compatible PBX, the Response
12 cannot be guaranteed to operate
correctly under every possible condition
of connection.
. If you do not
fone 0800
800 154
15