亚洲成人网站观看在线播放_韩国AV无码专区_国产色丁丁免费视频在线观看_影视三级亚洲欧美_鲁丝一区鲁丝二区鲁丝三区AV_蜜芽tv国产精品一区二区_亚洲人成网站色7799_av毛片在线播放_伊人五月天视频网站_国产AV剧情自拍

DC24V power supply input, Modbus communicatin protocol.

Vertical dot matrix display.

One orange 5*7 dot matrixes display the elevator running direction and one orange 7*11 doe matrixes display the elevator present floor.

Support one group of normal hall call and one group of disabled hall call.