Panasonic HYBRID IP-PBX KX-TDA50 - Manual (Page 116)

2.8 Connection of Doorphones, Door Openers, External Sensors, and External Relays
116 Installation Manual
2.8 Connection of Doorphones, Door Openers,
External Sensors, and External Relays
2.8.1 Connection of Doorphones, Door Openers, External
Sensors, and External Relays
A maximum of 4 doorphones (KX-T30865), 4 door openers or external relays, and 4 external sensors can
be connected to the Hybrid IP-PBX.
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.
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)
Doorphone
Door Opener
External Sensor/
External Relay Device
Pan aso nic
Screw