Need reliable, network-based control over doors, gates, or high-power devices without extra wiring headaches? The CyberData 011484 SIP Dual Relay Controller delivers exactly that. This compact PoE-powered unit gives IT teams and facility managers instant control of two heavy-duty 12A relays right from your existing SIP phone system, web browser, or even a simple button press. Whether you’re securing a single entrance, setting up an airlock, or monitoring remote equipment, it turns your VoIP network into a smart access-control powerhouse – all while logging every event with a timestamp for easy audits. Key Features Two high amperage relays, activated by DTMF or the web, can activate for a set time (pulse), indefinitely, or as an airlock Tamper alert can generate a SIP call to an extension Multicast page and/or SIP call on state of the sensor asconfigured by the user Time stamped access log Support for security code to prevent unwanted SIP calls Supports user-uploadable messages Dual 12A relays NO/NC contacts 12V @ 500 mA for direct powered strikes Opto-isolated sense inputs Device status LED Wall mountable Cable strain relief TLS 1.2 and SRTP enhanced security for IP endpoints in a local or cloud-based environment Autoprovisioning via HTTP, HTTPS, or TFTP HTTPS web based configuration Configurable event generation for device health and status monitoring 802.11q VLAN tagging Web-based upgradeable firmware Support for Cisco SRST resiliency 802.3af PoE 5 Years Limited Warranty