Panasonic KX-TD500 Installation Manual page 152

Installation
Wiring of the Doorphone (user-supplied)
1.
Connect the DPH Card to the terminal box using a 4-conductor modular connector.
2.
Connect the wires of doorphone 1 to the red and green screws of the terminal box 1.
3.
Connect the wires of doorphone 2 to the yellow and black screws of the terminal box 1.
4.
Connect the wires of doorphone 3 to the red and green screws of the terminal box 2.
5.
Connect the wires of doorphone 4 to the yellow and black screws of the terminal box 2.
4-conductor wiring
is required.
Terminal Box 1
Doorphone 1 (KX-T30865)
4-conductor wiring
is required.
Terminal Box 2
Doorphone 3 (KX-T30865)
152
YELLOW
RED
YELLOW
RED
Doorphone 2 (KX-T30865)
BLACK
GREEN
Doorphone 4 (KX-T30865)
BLACK
GREEN
DPH Card
(KX-T96161)
Installation Manual