Tuesday, September 8, 2020

Re: [Avid-L2] Drive speed effected by cable length?

Perhaps this sheds some light seems these "custom cables" can be twice as long.

USB 2.0, 3.0, 3.1 Cable Maximum Length Limits


According to USB-IF compliance specifications, each type of USB cable length is limited as shown in Table below. In the meantime, applications such as Machine Vision, Pro AV, Medical Imaging, etc. constantly need cables that can go beyond USB-IF standard ranges. As a leading USB cable solution developer, Newnex manufactures custom passive USB cable assemblies that can go longer than the USB-IF standard length limits while maintaining an excellent signal integrity and power delivery performance.

Cable Type USB Passive Cable Length Limit
(USB-IF Standard)
USB Passive Cable Length Limit
(Newnex Custom Solutions)*
USB 2.0 5 m (16.4 ft) 10 m (32.8 ft)
USB 3.0/3.1 Gen 1 2 m (6.6 ft) 5 m (16.4 ft)
USB 3.1 Gen 2 1 m (3.3 ft) 1 m (3.3 ft)

*Note: Newnex custom USB cables are not guaranteed for working with all long range applications. Their performance may vary from case to case.

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