Response 75 – Edition 7 – 26th October ’00 – 3370
Technical information
How many telephones can you have?
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 one telephone line. Your Response 75 Plus has a REN of 1. A total REN of 4 is allowed, if the total REN of 4 is exceeded, the telephones may not ring. With different telephone types there is no guarantee of ringing, even when the REN is less than 4.
Only use approved power supply, item code 872300.
This equipment complies with the essential requirements of the Radio Equipment and Telecommunications Terminal Equipment Directive, 1999/5/E.
Switchboard compatibility
This product is intended for use within the UK for connection to the public telephone network and compatible switchboards, which support tone dialling and time break recall. If in doubt please consult your service provider.
Connection information
The Response 75 is intended to be connected to analogue networks and private switching systems in the United Kingdom.
It may also be connected to switching systems that use tone (MF) or pulse (LD) signalling, with earth or timed break recall. If in doubt, your switch supplier or maintainer should be able to offer help. Advice on connection to BT switching systems can be obtained by dialling BT Freefone 0800 800 152.
If you do not have a compatible switchboard, it cannot be guaranteed that your Response 75 will operate correctly under all possible conditions of connection.
Please note
1471 feature will not work on a switchboard.
Generally your Response 75 can be connected to any switchboard where a simple modern telephone can be used to make and receive calls. It cannot be used to answer calls on PBXs configured for dial 8 night service unless a suitable adaptor is purchased (not available from BT).
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