AT&T ML17939 Quick Start Guide

5
Telephone installation
Option 2: If you have two one-line wall jacks, install your telephone base, as
shown below.
Plug one end of the
clear telephone line
cord (2-conductor)
into the jack labeled
LINE 1/L1+L2 on
the back of the
telephone base.
Plug the other end of
the clear telephone
line cord (2-conductor)
into the wall jack.
Plug one end of the
black telephone line
cord (4-conductor)
into the jack labeled
LINE 2 on the back of
the telephone base.
Plug the other end of
the black telephone
line cord (4-conductor)
into the wall jack.
NOTES:
Use only the power adapter supplied with this product. To order a replacement power
adapter, visit our website at www.telephones.att.com, or call
1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.
The power adapter is intended to be correctly oriented in a vertical or floor mount position.
The prongs are not designed to hold the plug in place if it is plugged into a ceiling,
under-the-table or cabinet outlet.
•
•
Plug the large
end of the power
adapter into an
electrical outlet
not controlled by
a wall switch.
If you have DSL high
speed Internet service,
a DSL filter (not
included) is required.
Plug the small
end of the power
adapter into the
power jack on
the back of the
telephone base.
L1 L2
Plug the other
end of the coiled
handset cord
into jack at the
left side of the
telephone base.
One end of the coiled
telephone line cord
has already been
plugged into the
handset. Make sure it
is plugged in firmly.

AT&T ML17939 Specifications

General

Brand	AT&T
Model	ML17939
Category	Telephone
Language	English