Troubleshooting
84
Installation Manual
If you cannot dial out on a CO line.
•
If a cross type ISDN line cord is used for CO line connection:
Reconnect the CO lines with a straight type ISDN line card.
•
If the adjustment of the extension/CO line switch socket is reversed:
Adjust the extension/CO line socket as follows.
Jack 5 through 8 (For DPT only)
If you cannot dial an extension.
•
Connection between the system and a digital proprietary telephone:
Use the correct cord. (H/L is for H/L)
CAUSE
SOLUTION
H
A
B
L
A
B
H
A
B
L
A
B
KX-TD612
Extension
KX-TD612
Extension
Example
Example
Extenison
CO line
1
3
SW503
SW502
SW500
SW501
CAUSE
SOLUTION
H
L
H
L
H
A
B
L
H
L
H
L
H
A
B
L
KX-TD612
Extension
KX-TD612
Extension
Example
Example
