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3.11 Connection of Doorphones, Door Openers, External Sensors, and External Relays
212 Installation Manual
3.11 Connection of Doorphones, Door Openers,
External Sensors, and External Relays
3.11.1 Connection of Doorphones, Door Openers, External
Sensors, and External Relays
The PBX supports a maximum of 16 doorphones (KX-T30865 with a DPH4 card, or German-type
doorphone with a DPH2 card), 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
Installing the Doorphone (KX-T30865)
1. Loosen the screw to separate the doorphone into 2 halves.
Doorphone
Door Opener
Cable Maximum Distance
ø 0.4 mm: 70 m
ø 0.5 mm: 113 m
ø 0.6 mm: 180 m
CAT 5: 113 m
External Sensor/
External Relay Device
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Screw