Aiphone Corporation IS-IPDVF. The IS-IPDVF is a stainless steel flush mount IP video door station. Both units are vandal and weather resistant. They connect to the network using CAT-5e/6 cable. The door stations have a built in dry contact, rated for 24V AC/DC 500mA, for door release. Each unit is equipped with a camera that provides pan, tilt, and zoom functionality. The doors can call up to 20 different master stations via the call button. The speaker and microphone allow for two way communication with a master station. A directory strip is provided for location identification. The camera units are 802.3af PoE compliant or can be powered via a separate 24V DC power supply, PS-2420UL.