The subway runs in one direction, only going out but not entering. What does it mean to transfer within the station?

The access control machine of the subway only has a card swiping position in the direction of entering the station. The card will be swiped when entering the station, so it is one-way and can only enter but not exit.

The access control machine is the core control device of the access control system. It uses large-capacity FLASH as a storage carrier. It has reliable data storage, no data loss during power failure, and integrates management and automatic control. Realize the automatic management of access control, and the data can also be used for attendance, realizing the dual functions of access control and attendance, and at the same time, it can be seamlessly connected with the all-in-one card system. It is widely used in access control, attendance management, security alarm, parking lot management, elevator control, building automation, etc. in smart buildings or smart communities. It can also be linked with other systems to control various control functions.

Access control management includes doors for people and vehicles, etc. Therefore, access control includes vehicle access control. In parking lot management applications, vehicle access control is an important means of vehicle management.