草草精品视频,免费成人在线视频网站,1区2区3区在线观看,太久视频在线观看,欧美v亚洲v,欧美伊人久久,91久久精品国产一区二区三区

What is the difference between a super five system and a super six system?

release:admin Browse:3904 times

The bandwidth of the super five classes is 100MHz; The bandwidth of six types of lines is 250MHz; Super five class wire gauge is 24AWG; The six types of wire gauge are 23AWG; Super five classes without skeleton; Six types of cables have a cross skeleton;