Panasonic KX-TD500 Installation Manual page 39

2.1.1 Precautions
from being stepped on. Avoid wiring under carpets.
3. Avoid using the same power supply outlet for computers, telex-
es, and other office equipment. Otherwise, KX-TD500's system
operation may be interrupted by the induction noise from such
equipment.
4. Please use one pair telephone wire for extension connection of
(telephone) equipment such as standard telephones, data termi-
nals, answering machines, computers, voice processing systems,
etc., except proprietary telephones (KX-T7220, KX-T7230, KX-
T7235, KX-T7250 etc.).
5. The Power Switch of the system must be off during wiring.
After all the wirings are completed, turn the Power Switch on.
6. Mis-wiring may cause the system to operate improperly.
7. If an extension does not operate properly, disconnect the tele-
phone from the extension line and then connect again, or turn
off the Power Switch of the system and then on again.
8. Use twisted pair cable for CO line connection.
9. CO lines should be installed with lightning protectors. For
details, refer to Section 2.11 "Installation of Lightning
Protectors."
Installation 2-3