AT&T SynJ SB67138 User Manual page 14

Getting started
Telephone base installation
Electrical outlet
not controlled
by a wall switch
Power adapter
NOTES:
1. If you have three one-line wall jacks, you need a two-line adapter for two of the lines.
2. The long cords supplied with the telephone are four-conductor cords.
Line 4
Line 3
Two-line adapters
Option 2: To connect four one-line wall jacks
Line 2
L3/L4 L1/L2
L3/L4
8
Line 1
If you have DSL
high-speed Internet
service, a DSL filter
(not included) is
required on each
DSL line.
L1/L2