R20xcusb Software ((free)) < FHD 2027 >
[RFID Tag Scanned] │ ▼ [Reader Converts Signal to Serial Data Packet] │ ▼ [Windows/Linux OS redirects payload to COM Port] │ ▼ [Your Custom Application listens to Serial Event] │ ▼ [Database looks up user ID and grants access]
The PCI20 adapters are automatically detected in Linux by the standard kernel module com20020pci . For manual loading, the appropriate command is insmod com20020pci . r20xcusb software