Edition 9 – 10 March 1999
22
Technical information
Technical information
Official approval
The Response 110 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 PBX’s.
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 110 and the majority of telephones in
the UK (unless otherwise marked) is 1.
If you are connecting your Response 110 to a PBX
Your Response 110 is only approved for use with compatible
PBX’s. For a list of suitable PBX’s, telephone BT on
Free
fone 0800
800 154
. If you do not have a compatible PBX,
the Response 110 cannot be guaranteed to operate correctly
under every possible condition of connection.
Safety advice
• Don’t install the Response 110 near a sink, bath or shower.
Electrical appliances can cause serious injury if used when
you are wet or standing in water.
• Don’t install the Response 110 where the various leads can be
tripped over, walked on or moved. This may cause injury or
damage to the leads and your Response 110.
Response 110 user guide 19/1/2000 12:43 pm Page 24
