久久成人国产视频,粉嫩av一区二区三区在线看,亚洲a级女人**毛片,亚洲女同中文字幕,情趣店内被调教到高潮av,久久久福利电影,bxbx成人精品一区二区三区

What is the transmission distance of multimode optical cable in gigabit network?

release:admin Browse:4448 times

A1a (50/125um) class multi-mode fiber has a transmission distance of 550 meters; A1b (62.5/125um) class multimode fiber has a transmission distance of 220 meters