AT&T TL74258 - Manual (Page 15)

Getting started
Installation options
10
4. Remove the telephone handset tab, rotate and replace it to hold the
corded handset securely in place when telephone base is mounted on the
wall.
2. Connect the telephone line cord and
power adapter to the jacks on the
bottom of the telephone base. Bundle
the telephone cord and power adapter
cord, and secure them with a twist tie.
Plug the power adapter and telephone
line cord into the wall outlets.
3. Place the bundled telephone
line cord and power adapter
cord into the cavity under the
telephone base as shown below.
Align the mounting studs on the
telephone outlet plate with the
mounting holes on the bracket.