Troubleshooting
6-3
6.1
Troubleshooting
6.1.2
Connection
Can you dial
an extension?
(Continued on the
following page.)
Yes
No
Connection between the system and a proprietary telephone:
CAUSE
The T/R is connected to the D1/D2.
D1
●
T
●
R
●
D2
●
●
D1
●
T
●
R
●
D2
KX-TD308
KX-TD308
extension
SOLUTION
Use the correct cord (inner 2
wires are for T/R and the
outer 2 wires are for D1/D2).
Connection between the system and a standard telephone:
SOLUTION
Use the correct cord (inner 2
wires are for T/R).
CAUSE
The T/R is connected to the D1/D2.
D1
●
T
●
R
●
D2
●
●
●
T
●
R
●
extension
Connection between the system and a standard telephone that is polarity-
sensitive:
CAUSE
The “T” is connected to the “R”.
D1
●
T
●
R
●
D2
●
●
●
T
●
R
●
extension
SOLUTION
Reverse the connections of
the T/R.
KX-TD308