66 DOCUMENT SSE-0000077399-01 - V ERSION 1.0 - MAY 2010S AGEM S ÉCURITÉ D OCUMENT - R EPRODUCTION AND D ISCLOSURE P ROHIBITEDLED IN feature M ORPHO ACCESS® J S ERIES – User Guide4. LED IN featureWhen this feature is activated, the terminal waits for an acknowledge signal(LED IN) from a Central Access Controller system, before granting the access.Figure 8 • 2: LED IN feature1.If the user is recognized the MorphoAccess ® sends the user identifier to thecontroller.2.The MorphoAccess ® waits during an adjustable timeout, for the closure of aswitch between LED1 and GND, or between LED2 and GND.3.The controller checks the user's access rights.4.The controller sets LED1 to GND to grant the access or sets LED2 to GNDto deny the access In case of time-out, the access is also denied..5.The "wait for access request" mode restarts only when LED1 and LED2 arereset to default state again.This feature improves integration in a Central Security Controller (CSC). TheCSC through LED IN signals validates result of biometric matching.Central Access ControllerLED 1 to GND: Access authorized (granted).LED 2 to GND: Access refused (denied).Relay activationLED IN mode activationapp/led IN/enabled 1
