ATM mantraps open if it reads anything off the magnetic strip. They aren't configured to lock certain cards out, all cards will be let in, whether it an ATM card, time badge, credit card, etc. The ATM actually reads the information and connects to a database or whatever it links to. As someone else said, the ATM mantrap just keeps homeless people or people that don't have any magnetic strip cards out.
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ATM mantraps open if it reads anything off the magnetic strip. They aren't configured to lock certain cards out, all cards will be let in, whether it an ATM card, time badge, credit card, etc. The ATM actually reads the information and connects to a database or whatever it links to. As someone else said, the ATM mantrap just keeps homeless people or people that don't have any magnetic strip cards out.