Troubleshooting
Installation Manual
81
3.1.2
Connection
•
Jack 1 through 4
•
Jack 5 through 8 (For DPT only)
Jack 1 through 4
If you cannot dial an extension.
•
Connection between the system and a digital proprietary telephone:
Use the correct cord. (The inner 2 wires are for A/B and outer 2 wires are for H/L.)
•
Connection between the system and a single line telephone:
Use the correct cord. (The inner 2 wires are for A/B.)
•
Connection between the system and a single line telephone that is polarity-sensitive:
Use the correct cord. (A/B for A/B)
CAUSE
SOLUTION
H
A
B
L
H
A
B
L
H
A
B
L
H
A
B
L
KX-TD612
Extension
KX-TD612
Extension
Example
Example
CAUSE
SOLUTION
H
A
B
L
A
B
H
A
B
L
A
B
KX-TD612
Extension
KX-TD612
Extension
Example
Example
