When you are installing an; external; The most common connection is to put the Brother machine on Line 2,; jack on the back of the machine. - Brother FAX-1575mc ч.1 - Инструкция по эксплуатации - Страница 26

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Installing Brother Machine, External Two-Line TAD and Two-Line 
Telephone

When you are installing an 

external

 two-line telephone answering device (TAD) and a 

two-line telephone, your machine must be isolated on one line at both the wall jack and 
at the TAD. 

The most common connection is to put the Brother machine on Line 2, 

which is our assumption in the following steps

. The back of the two-line TAD must have 

two telephone jacks: one labeled L1 or L1/L2, and the other labeled L2. You will need at 
least three telephone line cords, the one that came with your machine and two for your 
external two-line TAD. You will need a fourth line cord if you add a two-line telephone.

1

Place the two-line TAD and two-line telephone next to your Brother machine.

2

Plug one end of the telephone line cord for your machine into the L2 jack of the triplex 
adapter. Plug the other end into the 

LINE

 jack on the back of the machine.

3

Plug one end of the first telephone line cord for your TAD into the L1 jack of the 
triplex adapter. Plug the other end into the L1 or L1/L2 jack of the two-line TAD. 

4

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 back of the machine. 

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 machine’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 machine 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 machine for you. It is advisable to have a separate line for the 
fax machine. You can then leave the fax machine in FAX ONLY mode to receive 
faxes any time of day or night.

If the fax machine 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. (See 

Easy Receive

, page 5-4.)

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 machine cannot be made.

Triplex Adapter

Two-Line Phone

Two-Line External TAD

Brother Machine