... , bell, lock, exit, switch, etcBuilt-in USB port allows for manual data transfer when network isn ... Capacity50,000Transaction Storage150,000Hardware PlatformZEM510Operating SystemLinuxCommunicationsRS232485, TCP/IP, USB-HostCard SupportID Card(Standard), Optional HID/Mifare/ iClass ... , Automatic Status Switch, T9 input, photo-ID, Camera, Web-serverAccess Control Interface for3rd party electric lock, ...