Filter
Top Products
L3/L4 L1/L2
Getting started
Telephone base installation
Option 2: To connect four one-line wall jacks
NOTES:
If you have three one-line wall jacks, you need a two-line adapter for two of the lines.
The long cords supplied with the telephone are four-conductor cords.
To order a two-line adapter (model 16598, part number 89-0071-00), visit our website at
www.telephones.att.com, or call 1 (888) 915-2007. In Canada, dial
1 (866) 288-4268.
1.
2.
3.
Line 1
Line 2
Line 3
Line 4
Electrical outlet
not controlled
by a wall switch
Power adapter
Two-line adapter
8
If you have DSL
high-speed Internet
service, a DSL filter
(not included) is
required on each
DSL line.
L3/L4 L1/L2