Extend Function (I/O) Board

> Four-alarm output, free to the host controller to the definition of a door and the door to a number of features.
> Can connect the output signal fire, the Fire received the signal controller automatically open their doors to all and have a fire alarm records available for consultation.
> Support for the "illegal intrusion" and "the door is not closed for a long time" and "coercion to enter," and "linkage to open the door" and "invalid card" and "fire" alarm linkage output, and so on.
> Can be set for each output of the delay time 0-6000 seconds.