4.9 Connecting to a Doorphone, Door Opener, and/
or External Sensor
The PBX supports 1 each of a doorphone, a door opener, and an external sensor.
Note
• Doorphones, door openers, and external sensors are user
-supplied.
• For information about maximum cabling distances for stacked PBXs, refer to the Installation Manual
for each PBX.
Maximum Cabling Distance
Doorphone
Door Opener
Cable Maximum Distance
ø 0.42 mm: 70 m
ø 0.5 mm: 113 m
ø 0.6 mm: 180 m
CAT 5: 113 m
External Sensor
Installing the Doorphone (KX-T30865/KX-T7765)
Note
The illustrations shown in the installation procedure are based on the
KX-T30865.
1. Loosen the screw to separate the doorphone into 2 halves.
Installation Manual 179
4.9 Connecting to a Doorphone, Door Opener, and/or External Sensor
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