Connection between the Central Office and the system:
Troubleshooting 6-3
6.2 While Connecting
Connection between the system and a proprietary telephone:
CAUSE SOLUTION
T/R is connected to H/L.
Use the correct cord
(the inner 2 wires are for T/R
and the outer 2 wires are for
H/L).
H•
T•
R•
L•
•H
•T
•R
•L
KX-TA308 or
KX-TA616
Extension
Connection between the system and a single line telephone:
CAUSE SOLUTION
T/R is connected to H/L.
Use the correct cord
(the inner 2 wires are for
T/R).
H•
T•
R•
L•
•
•T
•R
•
KX-TA308 or
KX-TA616
Extension
Connection between the system and a single line telephone that is polarity-
sensitive:
CAUSE SOLUTION
“T” is connected to “R”.
Reverse the connections of
T/R.
H•
T•
R•
L•
•
•T
•R
•
KX-TA308 or
KX-TA616
Extension
CAUSE
Outside lines are connected to H/L.
Reconnect the outside (CO)
lines to T/R using 2-conductor
wiring.
•
•
•
•T
•R
•
KX-TA308 or
KX-TA616
Outside line
Can you dial an
extension?
Can you dial
out using an
outside (CO)
line?
No
No
Yes
SOLUTION