Panasonic KX-TDA30 Installation Manual page 215

5.
Connect the terminal box to the DPH4 card in the PBX using the telephone line cords included with the
card.
Connection of Doorphones to the DPH4 Card with RJ11 Connectors
1.
Connect the DPH4 card to the terminal boxes using the telephone line cords included with the card. Refer
to "2.5.1 DPH4 Card (KX-TDA3161)" for pin assignments.
2.
Connect the wires of doorphones 1 and 3 to the red and green screws on the terminal box.
2.10.1 Connection of Doorphones, Door Openers, External Sensors, and External Relays
To DPH4 card
To doorphones
Telephone Line Cord
Installation Manual 215