Panasonic KX-TDA30 Installation Manual page 218

2.10.1 Connection of Doorphones, Door Openers, External Sensors, and External Relays
4.
Make sure to run the connected wires through it. Then, close the cover.
5.
Connect the terminal box to the DPH2 card in the PBX using the telephone line cords included with the
card.
Connection of Door Openers, External Sensors, and External Relays to
DPH4 Card
Use 8-pin and 10-pin terminal block (included with the card) for connection.
218 Installation Manual
To DPH2 card
To doorphones/door openers
Telephone Line Cord