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The Open Supervised Device Protocol (OSDP) provides an open and bi-directional communication link to HID iCLASS® readers. Implemented over a multi-dropped RS485 hardware bus, OSDP enables host controller reader behavior, including visual (LED) and audio (beeper) indicators, full LCD control (iCLASS RKL only) and polling for card reads. Perfect for enhancing a time and attendance system, the OSDP enabled iCLASS LCD reader enables such functionality as displaying a ticking clock, personnel information and system notifications for user interaction at the door.
The device's access control panel addresses between one and 128 readers on a single pair of twisted wire (power excluded) with standard RS485 wiring up to 4,000 feet, while controlling audio/LED indicators and polling for buffered card data and reader status (on-line/off-line). Additionally, the host device can control a real-time LCD display on iCLASS RKL55 (LCD), gather user input from LCD menu keys, display access control user data and much, much more.
6172BKP000000 Specifications PDF
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