The Panasonic KX-NS5162 is a DPH2 doorphone interface card. The card supports up to 2 door phones. Also it supports 2 door openers. The interface card can work with 2 external sensors. This is to be installed in the trunk card slot. It requires RJ45 connectors for the two ports. One connects with doorphone/external sensor and another one conncets with door opener.
2 Door Opener
2 Exteranl Sensor
The Doorphone Card is Installed in Trunk Card Slot.