In an access control system, the anti-passback feature plays the role of that invisible watch guard who stops anyone who tries to obstruct a specific access sequence. The terms anti-piggybacking, anti-tailgating, anti-buddy-punching, and anti-passback demonstrate the same concepts. In this system, a distinctive pattern (in-out-in-out-in-out) applies to both the entry and exit readers that must…
In this system, a distinctive pattern (in-out-in-out-in-out) applies to both the entry and exit readers that must be followed by an individual user to gain unhindered entry and exit.











