Panasonic KX-TD1232 Installation Manual page 109

Maximum cabling distance of the doorphone and the door opener line
The maximum length of the doorphone and door opener line that connects to the main unit is
shown below:
Note
The KX-TD1232 is illustrated as the main unit.
Programming Guide Reference
[607-608] Doorphone Ringing Assignment —— Day / Night
Features Guide Reference
Door Opener
Doorphone Call
Installation Manual
26 AWG: Under 70 m (230 feet)
24 AWG: Under 113 m (370 feet)
22 AWG: Under 180 m (590 feet)
22 AWG: Under 180 m (590 feet)
General Installation
Doorphone
KX-T30865
Door Opener
109