Panasonic KX-TD500 Installation Manual page 309

7.1 Troubleshooting
7.1.2 Connection
No
Can you dial
an extension?
Yes
(Continued on the
following page.)
Connection between the KX-TD500 and a proprietary telephone:
CAUSE
The T/R is connected to the D1/D2.
D1
T
R
D2
KX-TD500
The P1/P2 is connected to the D1/D2.
P1
D1
T
R
D2
P2
KX-TD500
Connection between the KX-TD500 and a single line telephone:
CAUSE
The T/R is connected to the D1/D2.
D1
T
R
D2
KX-TD500
Connection between the KX-TD500 and a single line telephone that is polari-
ty-sensitive:
CAUSE
The "T" is connected to the "R."
D1
T
R
D2
KX-TD500
Use the correct cord (inner 2
wires are for T/R and the
D1
outer 2 wires are for D1/D2).
T
R
D2
extension
Use the correct cord (2 sec-
ond wires from the outside
P1
are for D1/D2 and the 2
D1
outer wires are for P1/P2).
T
R
D2
P2
extension
Use the correct cord (inner 2
wires are for T/R).
• If a telephone equipped
T
with an A-A1 relay is con-
R
nected to the KX-TD500,
set the A-A1 relay switch
extension
of the telephone to "OFF."
Reverse the connections of
the T/R.
T
R
extension
Troubleshooting
SOLUTION
SOLUTION
SOLUTION
7-3