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    How to interpret the B901 or D9210c Access control interface module LED Status.

     

    LED Action State
    Heartbeat, blue LED blinks at 1/2 sec rate. System is operational.
      LED is solid on or off. System is powered off or is not operational.
    Reader, yellow LED is blinking rapidly. LED is off. Card data is executing.
      LED is off. No card data is being received.
    Version history
    Last update:
    ‎05-31-2018 06:59 PM
    Updated by:
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