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31 Bit Wiegand HID ADT Card Format


Card Layout

Card Type: Wiegand
Number of Bits: 31
Number of bits to sum for even parity: 0
Address to start from: 0
Number of bits to sum for odd parity: 0
Address to start from: 0
Number of Facility Code bits: 4
Address to start from: 1
Number of Cardholder ID bits: 24
Address to start from: 5
Number of Issue Level bits: 0
Address to start from: 0
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Options

Step parity calculation by 2 bits
Suppress Facility Code Checking
37 bit Parity Test with 4 Parity Bits
37 bit Parity Test with 2 Parity Bits
Special 48 Bit Formatting (PIV)
Interpret card field as a Large Encoded Card ID (PIV-I)


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  • 30-Apr-2014
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