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