2.13 Connection of Doorphones, Door Openers,
External Sensors, and External Relays
2.13.1 Connection of Doorphones, Door Openers, External
Sensors, and External Relays
The PBX supports a maximum of 64 doorphones (KX-T30865/KX-T7765 with a DPH4 card, or German-type
doorphone with a
DPH2 card), 64 door openers, 64 external sensors, and 64 external relays.
Note
Doorphones, door openers, external sensors, and external relays are user-supplied.
Maximum Cabling Distance
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.
Note for KX-T7765 Users
292 Installation Manual
2.13.1 Connection of Doorphones, Door Openers, External Sensors, and External Relays