Man trap
Man trap
(also mantrap, airlock, sally port, access control vestibule)
Man trap definition
A man trap is a special security area between the protected premises and the outside world. Man traps have two sets of interlocking doors, with only one being open at any one time. Visitors must identify themselves before they are able to proceed or exit.
Real man trap examples
Guard posts in corporate offices
Access rooms in wards for infectious diseases