Panasonic KX-TD500 - Page 309

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