AT&T Marathon - Page 8

8
Getting started
Headset base installation
Option 1: Headset base with corded or cordless phone
installation
2. Plug one end of the
telephone line cord into
the TEL WALL JACK (red
dot) at the back of the
headset base.
Telephone
line cord
3. Plug the other end of
the telephone line cord
into the line splitter.
6. Plug the headset
base power adapter
into an electrical
outlet not controlled
by a wall switch.
Line splitter
Cordless or corded
phone
5. Connect another
telephone line cord
between the telephone
and the line splitter.
4. Plug the line splitter
into the telephone wall
jack (or DSL filter if
you subscribe to DSL
Internet service).
DSL filter (not
included) is
required if you
have DSL high-
speed Internet
service.
1. Plug the small end
of the headset
base power
adapter into the
POWER jack
(green dot) at
the back of the
headset base.
9
Getting started
Headset base installation
Option 2: Headset base stand-alone installation
In order to make calls, you need a telephone plugged into the
same telephone line or a dial pad ( sold separately).
2. Plug one end of the
telephone line cord into
the TEL WALL JACK (red
dot) at the back of the
headset base.
DSL filter (not included) is
required if you have DSL
high-speed Internet service.
Telephone
line cord
3. Plug the other end
of the telephone
line cord into a
telephone jack.
4. Plug the headset
base power adapter
into an electrical
outlet not controlled
by a wall switch.
1. Plug the small end of
the headset base power
adapter into the POWER
jack (green dot) at the
back of the headset base.
8
marathon_quickstart_04df.indd 8 3/3/2016 2:42:34 PM