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SIA AC-01-1996.10
Access Control Standard Protocol for the 26-bit Wiegand TM Reader Interface
The specifications in this standard define a commonly used interface between card readers and control panels used in the Access Control, Security, Time and Attendance, and other related industries. The standardization of the interface makes the design of readers and control panels uniform for manufacturers and makes system design and integration systematic for architects, designers, specifiers and users.
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Security Industry Association [sia]
Security Industry Association [sia]