This sort of entry management system is characterised by its reliance on human energy to function a pivoting arm that restricts or permits passage. Such a tool is usually discovered the place pedestrian or vehicular visitors must be managed with out automated mechanisms. A easy instance contains an entrance to a park requiring a park ranger to bodily open and shut the arm.
These programs supply benefits reminiscent of low preliminary price and minimal upkeep necessities, significantly in areas missing dependable energy infrastructure. Traditionally, they’ve been employed in areas the place a bodily presence is desired for monitoring or safety functions, predating the widespread adoption of automated programs. Their enduring presence signifies a easy, dependable, and controllable technique of managing entry.
