Panasonic KX-TDA30 Installation Manual page 35

5.
Unplug the system from its power source when wiring, and plug the system back in only after all wiring is
completed.
6.
Mis-wiring may cause the PBX to operate improperly. Refer to "Section 2 Installation" when wiring the
system.
7.
If an extension does not operate properly, disconnect the telephone from the extension line and connect
it again, or turn off the PBX using the power switch, then turn it on again.
8.
For safety purposes this unit is equipped with an earthed plug. If you do not have an earthed outlet, please
have one installed. Do not bypass this safety feature by tampering with the plug.
9.
Use twisted pair cable for trunk connection.
10.
Trunks should be installed with surge protectors. For details, refer to "2.2.12 Surge Protector
Installation".
2.1.1 Before Installation
Installation Manual 35