Network function: · Adopt a true dual Ethernet plus RS485 industrial bus communication technology to ensure the reliability of communication. Alarm function: · Access Controller with multiple auxiliary input / output interface, auxiliary input interface can be connected to the alarm front-end devices, you can start the associated auxiliary relay linkage set alarm equipment. Safety features: · Controller built-in hardware watchdog, to prevent crashes. · Controller power input with over-current, overvoltage, reverse voltage protection. · The power supplied to the reader with overcurrent protection. · The power supplied to the electric lock with overcurrent protection. • All input / output ports with instant overvoltage protection. • Communication port has an instant overvoltage protection. Accessibility: · Provide development kits for secondary development, our products integrate seamlessly into your desired system. · Provide software and hardware OEM / ODM production or custom develop. Technical parameters: · Power supply: Rated voltage 12V (± 20%) DC, rated current = 0.5A. · Operating environment: Temperature 0 ? ~ 55 ?, Humidity 10 ~ 80%. · Output load parameters: Operating voltage AC = 30V, rated current = 8A; DC = 36V, rated current = 5A. · Reader Interface: Provides a TTL level signal, 12V DC, 500mA reading sensor power supply. · Connect the card reader cable: 6-core shielded cable, 24AWG, up to 100 meters. · C-type electric lock relay output terminals, 10A contact current, 12V DC, with LED status indication. • The auxiliary relay output terminals, 2A contact current, 30VDC, with LED status indication. · Adopt removable terminals, non-magnetic steel flange material. · Control PCB board Dimensions: C3-400: 218mm (length) * 106mm (width). · Control PCB board mounting hole dimensions: C3-400: 203.2mm (length) * 106mm (width). · Carton size: 345mm x 275mm x 70mm.