Brother MFC-J5330DW User Manual page 350

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Considerations > Two-Line Telephone System
Two-Line Telephone System
A two-line telephone system is nothing more than two separate telephone numbers on the same wall outlet.
This feature is available only in the USA and Canada.
The two telephone numbers can be on separate jacks (RJ11) or combined into one jack (RJ14). Your machine
must be plugged into an RJ11 jack. RJ11 and RJ14 jacks may be equal in size and appearance and both may
contain four wires (black, red, green, yellow). To test the type of jack, plug in a two-line telephone and see if it
can access both lines. If it can, you must separate the line for your machine.
Related Information
• Special Line Considerations
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