Panasonic KX-TA624, Installation Manual

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Connection between the Local Exchange and the system:
Troubleshooting
6-3
6.2 While Connecting
Connection between the system and a proprietary telephone:
CAUSE SOLUTION
A/B is connected to H/L.
Use the correct cord
(the inner 2 wires are for A/B
and the outer 2 wires are for
H/L).
H •
A •
B •
L • • H
• A
• B
• L
KX-TA624
Extension
Connection between the system and a single line telephone:
CAUSE SOLUTION
A/B is connected to H/L.
Use the correct cord
(the inner 2 wires are for
A/B).
H •
A •
B •
L • •
• A
• B
•
KX-TA624 Extension
Connection between the system and a single line telephone that is polarity-
sensitive:
CAUSE SOLUTION
“A” is connected to “B”.
Reverse the connections of
A/B.
H •
A •
B •
L • •
• A
• B
•
KX-TA624 Extension
CAUSE
Exchange lines are connected to H/L.
Reconnect the exchange lines
to A/B using 2-conductor
wiring.
•
•
•
• A
• B
•
KX-TA624
Exchange line
Can you dial an
extension?
Can you dial
out using an
exchange line?
No
No
Yes
SOLUTION
PSQX1708ZA-14E.QX 99.10.15 1:11 PM Page 3