Important Information
Important Information!
The connection to the telecommunication systems must not be hard wired and must be unplugged before the earth is disconnected.
Method of connection
This apparatus is connected to the exchange line or PABX/PMBX extension by the new standard British Telecom plug and socket. Arrangements for provision of this type of termination can be made through the nearest British Telecom Sales Office.
This apparatus may be connected to the following types of installation.
a)For connection to the public switched telephone network (PSTN) and compatible (Private Branch Exchange), which use DTMF signalling. (Please consult your supplier for an up to date list of compatible PBX’s.)
b)The apparatus can be used on extension sockets connected to a direct exchange line (D.E.L.).
c)This apparatus is suitable for connection to the telecommunication system directly or via compatible private branch exchange as an extension. The supplier of the apparatus should be consulted for an up to date list of PBX’s with which the apparatus is compatible.
It cannot be guaranteed that the apparatus will operate under all possible conditions of connection to compatible PBX’s.
●This apparatus is suitable for connection to a PBX with or without initial proceed indication.
●This apparatus is suitable for connection to a PBX with or without secondary proceed indication.
Any cases of difficulty should be referred in the first instance to the supplier of the apparatus.
d)The apparatus must not be connected in the following manner:
NOTES:
●If you experience any problems with the normal use of your apparatus, you should unplug it from the telephone outlet and connect a known working telephone in its place. If the known working telephone still gives problems, then please contact the customer service department of your PSTN operator (e.g. BT etc.). If it operates properly, then the problems are likely to be a fault in your apparatus. In this case, consult your supplier for advice.
●Your PSTN operator may charge you if they attend a service call that is not due to apparatus supplied by them.
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