AT&T 1412 - Manual (Page 10)

If you have two separate jacks, use both long line cords.
Connect a line cord from the wall jack you wish to designate as
your Line 1 to the jack labeled
L1/L1+L2 on the back of the
base. Connect the other line cord from the remaining wall jack
to the jack labeled
L2 on the back of the base. Make sure the
plugs snap firmly into place.
4 Mount base
on wall.
a
Place power
and line cords
as shown.
b Align holes
on base with
mounting studs
on wall jack.
c Pull base down
on mounting
studs until it
locks into place.
5 Follow Steps 3 – 5 in “Table/Desk Installation.”
7
Standard
electrical
outlet
L1/L1+L2 Jack L2 Jack
Line 1
Modular
telephone
jack
Line 2 Modular
telephone jack
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