Option 2: Headset Base Stand-Alone Installation; Installation - AT&T Marathon User Manual

Cordless headset
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Getting started
Headset base installation

Option 2: Headset base stand-alone installation

In order to make calls using this
telephone plugged into the same telephone line or a dial pad
(sold separately). Make sure the headset base mode is set to
NO LIFTER MODE.
Plug the small end of
the headset base power
adapter into the POWER
jack (green dot) at the
back of the headset base.
Plug the headset
base power adapter
into an electrical
outlet not controlled
by a wall switch.
using this installation option, you need a
Make sure the headset base mode is set to
A DSL filter (not included)
is required if you have DSL
high-speed Internet service.
The DSL filter must be plugged
into the telephone wall jack.
Telephone
line cord
15
, you need a
Plug one end of the
telephone line cord into
the TEL WALL JACK
(red dot) at the back of
the headset base.
Plug the other end of
the telephone line cord
into a telephone jack.

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