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All the other brands went along(slrpnk.net)

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GamingChairModel@lemmy.world
1 point

You can even get PD capable USB-C cables that don’t transmit data at all.

I don’t think this is right. The PD standard requires the negotiation of which side is the source and which is the sink, and the voltage/amperage, over those data links. So it has to at least support the bare minimum data transmission in order for PD to work.

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disguy_ovahea@lemmy.world
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Technically, yes, data must transmit to negotiate, but it doesn’t require high throughput. So you’ll get USB 2.0 transfer speeds (480 Mb/s) with most “charging only” USB-C cables. That’s only really useful for a keyboard or mouse these days.

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GamingChairModel@lemmy.world
2 points

This limitation comes up sometimes when people try to build out a zero-trust cable where they can get a charge but not necessarily transfer data to or from an untrusted device on the other side.

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