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3.9 Connection of Doorphones, Door Openers,
External Sensors, and External Relays
3.9.1 Connection of Doorphones, Door Openers, External
Sensors, and External Relays
The
PBX supports a maximum of 16 doorphones, 16 door openers, 16 external sensors, and 16 external relays.
Note
Doorphones, door openers, external sensors, and external relays are user-supplied.
Maximum Cabling Distance
Doorphone
Door Opener
External Sensor/
External Relay Device
Cable Maximum Distance
26 AWG: 70 m (230 ft)
24 AWG: 113 m (371 ft)
22 AWG: 180 m (590 ft)
CAT 5: 113 m (371 ft)
Installing the Doorphone (KX-T30865/KX-T7765/KX-T7775)
Note
• The illustrations shown in the installation procedure are based on the
KX-T30865.
• For details about the installation of the KX-T7775, refer to the Operating Instructions of the
KX-T7775.
1. Loosen the screw to separate the doorphone into 2 halves.
Panasonic
Screw
98 Installation Manual Document Version 2011-10
3.9.1 Connection of Doorphones, Door Openers, External Sensors, and External Relays