Installation
2-3
2.1
Before Installation
the wires where they may be stepped on. Avoid wiring under
carpets.
3. Avoid using the same power supply outlet for computers,
telexes, and other office equipment. Otherwise, the 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 single line telephones, data
terminals, 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. Refer
to Section 6.1.1 “Installation” and Section 6.1.2 “Connection.”
7. If an extension does not operate properly, disconnect the
telephone from the extension line and then connect again, or turn
off the Power Switch of the system and then on again.
8. The system is equipped with a 3-wire grounding type plug. This
is a safety feature. If you are unable to insert the plug into the
outlet, contact your electrician to replace your obsolete outlet.
Do not defeat the purpose of the grounding-type plug.
9. Use twisted pair cable for CO line connection.
10. CO lines should be installed with lightning protectors. For
details, refer to Section 2.4.3 “Lightning Protector Installation.”
Warning:
Static sensitive devices are used.
To protect printed circuit boards
from static electricity, do not
touch connectors indicated to the
right. To discharge body static,
touch ground or wear a
grounding strap.
Warning : Static sensitive connectors
REMOTE
SYSTEM INTER
CONNECTION
8CO/ISDN