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2.1 Before Installation
Installation Manual 39
3. Avoid using the same power supply outlet for computers, telexes, and other office equipment.
Otherwise, the Hybrid IP-PBX operation may be interrupted by the inducted noise from such
equipment.
4. Please use 1-pair telephone wire for extension connection of (telephone) equipment such as standard
telephones, data terminals, answering machines, computers, Voice Processing Systems, etc., except
PTs (e.g., KX-T7600 series).
5. The power switch and battery switch of the Hybrid IP-PBX must be off during wiring. After the wiring is
completed, turn the power switch on.
6. Mis-wiring may cause the Hybrid IP-PBX to operate improperly.
7. If an extension does not operate properly, disconnect the telephone from the extension line and then
connect again, or turn the power to the Hybrid IP-PBX off and on again.
8. The Hybrid IP-PBX is equipped with a 3-wire earthing 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 earthing-type plug.
9. Use twisted pair cable for trunk connection.
10. Trunks should be installed with surge protectors. For details, refer to "2.2.14 Surge Protector
Installation".