Panasonic HYBRID IP-PBX KX-TDA50 - Manual (Page 118)

2.8 Connection of Doorphones, Door Openers, External Sensors, and External Relays
118 Installation Manual
Connection of Doorphones
1. Connect DPH4 Card to the terminal boxes using telephone line cords.
Refer to "2.5.1 DPH4 Card (KX-TDA5161)" for pin assignments.
2. Connect the wires of doorphones 1 and 3 to the red and green screws on the terminal box.
3. Connect the wires of doorphones 2 and 4 to the yellow and black screws on the terminal box.
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Yellow
Red
Black
Telephone Line Cord
Telephone Line Cord
Green
Doorphone 3 Doorphone 4
Doorphone 1 Doorphone 2
To DPH4 card
Terminal Box
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Yellow
Red
Black
Green