Three roller gates: Fingerprint access control system supporting the use of three roller gates, what technical requirements? Many people on this issue, puzzled. In the end there are very strict requirements? To see the following decomposition: Fingerprint access control system supporting the use of three roller gates, no special technical requirements. Fingerprint access control signal or Wiegand output contact signal output to the three roller gates control panel can be controlled. Fingerprint access control to directly control three roller gates, the easiest is to use contact signal control, that is, switching signal control. Fingerprint access control fingerprint verification correct output contact signal control tripod turnstile gate. Original From: http://www.szshanghe.com.cn