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-TA308 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-TA308 extension
Reverse the connections of
T/R.
T/R is connected to H/L.
H •
T •
R •
L •
•
• T
• R
•
KX-TA308 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-TA308
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
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