KB20A are fully programmable input devices that provide simultaneous connection of another keyboard. KB20Aare also standalone keyboards that are great for dedicated applications.
Cherry mechanical key switch
Key stroke: 4mm
Operating force:60 +- 20 g
Rollover method: Pseudo N-Ky rollover
Key switch contact resistance:<200m OHMS typ. 20m OHMS
Key switch bouncing time:5ms
Key switch lifetime: 20 million operations per key
Key Scan Code Memory: 480B per key
2. Serial reader interface(RS232)
ISO Format standards (MSR)
Barcode or ASCII Data Input.
Support power output to DTR pin. (5VDC Max. 50mA).
RS232 Parameter. 9600, N, 8, 1
Operation/Storage temperature: 5~45 Degree C / -10~60 Degree C
Humidity: 10~90% relative
4. Power consumption: 5VDC / 50mA typical
KB20A: W108mm * L177mm * H37mm, 280g
6. USB HID Interface System Requirements:
Windows:98SE/ME/2000/XP:(HID Driver support by Windows Install CD of Microsoft)
DOS (Support by PC BIOS, enable USB Keyboard in BIOS).
7. Software Visual KeyMaker System Requirement:
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