... ,000 Communication:RS232, RS485, TCP /IP Time Clock with Proximity Reader M880 Introduction: M880 is a ... PlatformZEM510Operating SystemLinuxCommunicationsRS232485, TCP/IP, USB-HostCard SupportID Card(Standard), Optional HID/Mifare/ iClass CardStandard FunctionsWorkcode, SMS, ... for3rd party electric lock, door sensor, exit button, alarm, Door Bell, Anti-passbackWiegand SignalInput & OutputPayment: If ...