If you are installing the FAX/MFC to work with a PBX: - Brother FAX 1570MC ч.1 - Инструкция по эксплуатации - Страница 21

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I N S T A L L A T I O N

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Plug one end of the second telephone line cord for your TAD into the L2 jack
of the two-line TAD. Plug the other end into the 

EXT.

 jack on the left side of

the FAX/MFC.

Triplex Adapter

Two Line Phone

Two Line External TAD

FAX/MFC

.

You can keep two-line telephones on other wall outlets as always. There are two
ways to add a two-line telephone to the FAX/MFC’s wall outlet. You can plug the
telephone line cord from the two-line telephone into the L1+L2 jack of the
triplex adapter.  Or, you can plug the two-line telephone into the TEL jack of the
two-line TAD.

Multi-Line Connections (PBX)

Most offices use a central telephone system. While it is often relatively simple to
connect the FAX/MFC to a key system or a PBX (Private Branch Exchange), we
suggest that you contact the company that installed your telephone system and
ask them to connect the FAX/MFC for you. It is advisable to have a separate line
for the FAX/MFC. You can then leave the machine in FAX ONLY Mode to receive
faxes any time of day or night.

If the FAX/MFC is to be connected to a multi-line system, ask your installer to
connect the unit to the last line on the system. This prevents the unit from being
activated each time a telephone call is received.

As with all fax units, this machine must be connected to a two wire system. If your line
has more than two wires, proper connection of the FAX/MFC cannot be made.

If you are installing the FAX/MFC to work with a PBX:

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It is not guaranteed that the unit will operate correctly under all circum-
stances with a PBX. Any cases of difficulty should be reported first to the
company that handles your PBX.

See

Easy Receive

pp. 34-35