usb na 50m

[jan.kuba]

Jak jsem psal, pro oba datové dráty jsem  použil koax a jede to 15 m ( 
dodnes) takže nějaké rezervy to má :-)

Rollfree napsal(a):

>USB Cable Parameters :
>
>   Sec. 7.1.16 of the USB 1.1 spec requires the one way cable delay to be less than 26ns. It is possible for
>some poorly engineered cables to meet this requirement by shortening the cable. This could adversely
>affect signal quality at USB 2.0 speeds. This is a clarification.
>The cable delay must be less than 5.2 ns/m.
>
>rollfree
>
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