Polarity Sensitive Telephone Connection - Panasonic KX-TD308 Installation Manual

2.3.5 Polarity Sensitive Telephone
Connection
POWER
Central Office Line
Reverse here
POWER
Central Office Line
Reverse here
2-20 Installation
If your telephone is polarity sensitive, follow the procedure below:
1. Complete all the required extension wiring.
2. Confirm that dialing can be done from all the
extensions using a touch-tone telephone.
If dialing fails, the polarity between the
extension and the system must be reversed.
Extension
3. Reverse as shown.
1 2 3
4 6
5
7 8 9
0 #
4. Unplug the system.
5. Connect all outside lines.
6. Confirm that dialing can be done on the
following extension using a tone telephone.
If dialing fails, the polarity between the
system and the outside line must be reversed.
7. Reverse as shown.
Extension
8. Every time an extension telephone is
1 2 3
replaced, repeat the above procedure.
4 5 6
7 8
9
0 #
Extension (T, R) of jack 1•••Outside line 1