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20-Key Programmable Keyboard |
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Introduction
KB20A
are fully programmable input devices that provide simultaneous connection of
another keyboard.
KB20A are also standalone keyboards that are great for dedicated
applications. |
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Specifications
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Keyboard
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Cherry mechanical key switch
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Key pitch: 19.05mm
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Key stroke: 4mm
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Operating force: 60 +- 20 g
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Rollover method: Pseudo N-Ky rollover
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Key switch contact resistance:<200m OHMS typ.
20m OHMS
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Key switch bouncing time: 5ms
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Key switch lifetime: 20 million operations per
key
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Key Scan Code Memory: 480B per key
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Serial reader interface(RS232)
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ISO Format standards (MSR)
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Barcode or ASCII Data Input.
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Support power output to DTR pin. (5VDC Max.
50mA).
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RS232 Parameter. 9600, N, 8, 1
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Environment
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Power consumption: 5VDC / 50mA typical
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Dimension: KB20A: W108mm * L177mm * H37mm, 280g
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USB HID Interface System Requirements:
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Windows:98SE/ME/2000/XP: (HID Driver support
by Windows Install CD of Microsoft)
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DOS (Support by PC BIOS, enable USB Keyboard
in BIOS)
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Software Visual KeyMaker System Requirement: Windows 98SE/ME/2000/XP
Note:
The Specification is subject to change without notice.
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Applications
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Available versions
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KB20AP -20 KEYS PS/2 Programmable Keyboard
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KB20AU -20 KEYS USB Programmable Keyboard
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KB20AR -20 KEYS RS232 Programmable Keyboard
Available color: white enclosure
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