Brother International MFC-1870MC Users Manual - English - Page 19

Connect the telephone line, Special Line Considerations, Roll Over Phone Lines, Two-Line Phone System

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11 I N S T A L L A T I O N 3) Lightning and power surges can damage this product! We recommend that you use a quality surge protection device on the AC power line as well as on the telephone line, or unplug the telephone line and electrical cords during a lightning storm. Connect the telephone line Connect one end of the telephone line cord to the jack labeled LINE on the left side of the FAX/MFC. Connect the other end to a modular wall jack. Special Line Considerations Roll Over Phone Lines A roll over phone system is a group of two or more separate telephone lines that pass incoming calls to each other if they are busy. The calls are usually passed down or "rolled over" to the next available phone line in a preset order. Your FAX/MFC can work in a roll over system as long as it is the last number in the sequence, so the call cannot roll away. Do not put the FAX/MFC on any of the other numbers; when the other lines are busy and a second fax call is received, the fax call is transferred to a line that does not have a fax machine. Your FAX/ MFC will work best on a dedicated line. Two-Line Phone System A two-line phone system is nothing more than two separate phone numbers on the same wall outlet. The two phone numbers can be on separate jacks (RJ11) or combined into one jack (RJ14). Your FAX/MFC must be plugged into an RJ11 jack. RJ11 and RJ14 jacks may be equal in size and appearance and both may contain 4 wires (black, red, green, yellow). To test the type of jack, plug in a two-line phone and see if it can access both lines. If it can, you must separate the line for your FAX/MFC.

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11
INSTALLATION
3
) Lightning and power surges can damage this product! We recommend that
you use a quality surge protection device on the AC power line as well as on
the telephone line, or unplug the telephone line and electrical cords during a
lightning storm.
Connect the telephone line
Connect one end of the telephone line cord to the jack labeled
LINE
on the left
side of the FAX/MFC. Connect the other end to a modular wall jack.
Special Line Considerations
Roll Over Phone Lines
A roll over phone system is a group of two or more separate telephone lines that
pass incoming calls to each other if they are busy. The calls are usually passed
down or
“
rolled over
”
to the next available phone line in a preset order.
Your FAX/MFC can work in a roll over system as long as it is the last number in
the sequence, so the call cannot roll away. Do not put the FAX/MFC on any of the
other numbers; when the other lines are busy and a second fax call is received,
the fax call is transferred to a line that does not have a fax machine. Your FAX/
MFC will work best on a dedicated line.
Two-Line Phone System
A two-line phone system is nothing more than two separate phone numbers on
the same wall outlet. The two phone numbers can be on separate jacks (RJ11) or
combined into one jack (RJ14). Your FAX/MFC must be plugged into an RJ11
jack. RJ11 and RJ14 jacks may be equal in size and appearance and both may
contain 4 wires (black, red, green, yellow). To test the type of jack, plug in a
two-line phone and see if it can access both lines. If it can, you must separate the
line for your FAX/MFC.