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HID Clock & Data - (H10320)
Everything you need to understand HID Clock & Data - (H10320)
Card format Overview
A proprietary 36-bit card format used in access control systems, featuring a unique structure composed of 32-bit card number, and 3 parity bits (even and odd), allowing for easy management and avoiding card number duplication for secure, contactless access.
HID Clock & Data - (H10320) format properties
32 bits. A unique serial number (0-4,294,967,295) for each card within that facility code.
Even Parity for Even parity over bits 2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32.
Odd Parity for Odd parity over bits 1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31.
Even Parity for Even parity over bits 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33.
Generate examples
Put in the values for this card format, we'll generate the results in a few different formats.
Here's your example
| Format | Value |
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| Hex |
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| Decimal |
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| Binary |
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