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4.5
Appendix
Appendix
10. The apparatus is capable of making outgoing calls to emergency
services in the powered and unpowered modes of operations.
11. The apparatus should not be used in conjunction with other connected
apparatus such that the aggregate voltage drops of all the apparatus,
together with the volt are drop introduced at 40mA by any separate
wiring that is used to link items of apparatus, exceeds 2.0 volts. The
voltage drop of the SF4500 is 1.7 volts.
12. If appropriate extension wiring and/or sockets are not already installed,
they must be installed:
- By BT or
- Where the extension wiring is not owned by BT, by the authorized
maintainer of the PBX unless the authorized maintainer has been
given 14 days written notice that the extension wiring and/or sockets
are to be installed by another person and that period of notice has
expired.
13. While operation of the series connection may be possible initially,
changes or modernisation of the network taking place in the normal
course of events may result in the TE being connected to a network
service with which it was not desinged to be compatible. Failure of the
TE to work under these circumstances may not be the fault of the
network operator.
14. The principle types of apparatus with which the series apparatus is
suitable for use will be simple telephone or answering machines. These
will be used in conjunction with the TEL/FAX and ANS/FAX modes of
operation.
15. If you attach any equipment to your fax machine it should not effect
how safe it is, and the standard it was approved for, EN 60950.
16. If you are connected to a Private Branch Exchange, you normally have
to press a digit to get an outside line. This number is usually Ô9Õ. You
then dial as normal. If you need a pause, you should press it between
the Ô9Õ and the phone numbers. Use the Tone Break Recall facility to
transfer calls between phone extensions.