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Troubleshooting 6-3
6.2 Connection
Yes
No
Connection between the system and a proprietary telephone:
T/R is connected to H/L.
H ¡
T ¡
R ¡
L ¡
¡ H
¡ T
¡ R
¡ L
KX-TA624 extension
Use the correct cord
(the inner 2 wires are for T/R
and the outer 2 wires are for
H/L).
Connection between the system and a single line telephone:
Connection between the system and a single line telephone that is polarity-
sensitive:
Can you dial
an extension?
CAUSE SOLUTION
“T” is connected to “R”.
H ¡
T ¡
R ¡
L ¡
¡
¡ T
¡ R
¡
KX-TA624 extension
Reverse the connections of
T/R.
T/R is connected to H/L.
H ¡
T ¡
R ¡
L ¡
¡
¡ T
¡ R
¡
KX-TA624 extension
Use the correct cord
(the inner 2 wires are for
T/R).
Outside (CO) lines are connected to H/L.
¡
¡
¡
¡ T
¡ R
¡
Outside (CO) line KX-TA624
Reconnect the outside (CO)
lines to T/R using 2-conductor
wiring.
Connection between the central office and the system:
Can you dial
out using an
outside (CO)
line?
No
CAUSE SOLUTION
CAUSE SOLUTION
CAUSE SOLUTION