① manual control rolling shutter uplink, downlink, stop function ② receive smoke temperature signal automatic control complete a slide, intermediate stay and two times decline function ③ receive fire center signal automatic control complete a slide, intermediate stay and two fall function ④ fire Status: When the shutter door runs, press any key to rise to the end of the median delay two times to the bottom ⑤ gate position indication output (upper, middle, lower)
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