Panasonic KX-T30810 Installation Manual page 18

if the telephone you are using with the
1. Connect all
extension wiring to the KX-T30810.
2. Confirm
that dialing can be done from all the
extensions using a tone telephone.
(Do not exchange the extension.)
3.
If
dialing can not be done, the polarity between
a
the extension and the KX-T3081 0 must be re­
versed.
Central Office Line
4. Set the Power Switch on the KX-T30810 to the
OFF position.
S.Connect all Central Office (CO) Lines.
KX-T308JO
Extension
Reverse here
KX-T30810
is polarity sensitive.
6 . C onfirm that dialing can be done on following
extensions using a tone telephone.
7. If a dialing can not be done, the polarity between
the KX-T30810 and the Central Office Line must
be reversed.
Central Office Line
Reverse here
8. If any extension is changed or replaced, repeat
these procedures (from step 1 to step 7).
1-12
Extension 11 CO 1
. . .
Extension 12 . CO
2
. .
Extension 1 3 CO 3
. . .
KX-T308JO
Extension