
Wiegand Camera
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Operation Manual
4
3
Transfer Access Control Card No. via
Wiegand Protocol
3.1
Transfer Access Control Card No. via 26-Bit
Wiegand Protocol
Map the license plate number with the access control card number.
Find the related card number in black and white list, and transfer the card information
(26 bit) via Wiegand interface.
Determine whether the car has permission to pass according to the card number.
3.1.1
Advantage
1. Theoretically compatible with any standard access control system
2. Realize access control to cars.
3.1.2
Applicable Wiegand Protocol
26-bit Wiegand Protocol
3.1.3
Card No. Encoding Mode
Figure 3-1
Card No. Encoding Mode
3.1.4
Use Wiegand Protocol to Transfer Card No.
Information Description:
The front parity bit is the even parity bit of the binary format of the first
12 bits of the combination of card ID and site code.
The rear parity bit is the odd parity bit of the binary format of the last 12
bits of the combination of card ID and site code.