General > General Technical Chat
The EU is enforcing USB-C on portable devices
Berni:
--- Quote from: dunkemhigh on June 28, 2022, 08:56:23 am ---
--- Quote ---Usually the use case for this is again docking stations.
--- End quote ---
That's surely just a glorified hub >:D
--- End quote ---
Pretty much yeah.
Tho most of the docks use the extra high speed pairs in USB-C to get DisplayPort or Thunderbolt across to it. This gives it more performance as not everything has to be stuffed down the USB lines.
This is also the reason why USB-C dock compatibility is a shitshow despite all of them using the same connector. If you plug a dock that wants to use Thunderbolt into a laptop that only supports USB 3.0 or DisplayPort on its USB-C port it simply will not work for seemingly no reason. The only way to know is doing research online or just trying to plug it in. There is no standard way to mark USB ports by capability, they all just get marked with the genetic USB logo. Here is where USB-C shoot itself in the foot.
KaneTW:
Thunderbolt/USB4 are also a *very* restricted ecosystem. I have an application that's perfect for Thunderbolt and even just the pre-certification process is like pulling teeth.
tooki:
--- Quote from: Berni on June 28, 2022, 09:15:49 am ---This is also the reason why USB-C dock compatibility is a shitshow despite all of them using the same connector. If you plug a dock that wants to use Thunderbolt into a laptop that only supports USB 3.0 or DisplayPort on its USB-C port it simply will not work for seemingly no reason. The only way to know is doing research online or just trying to plug it in. There is no standard way to mark USB ports by capability, they all just get marked with the genetic USB logo. Here is where USB-C shoot itself in the foot.
--- End quote ---
No, there are standards for it, it’s just that people ignore them when designing gadgets.
Berni:
Ah indeed there is an convention for making ports:
https://www.kensington.com/news/docking-connectivity-blog/usb-c-demystified/
But i am guessing it is on the device manufacturers to be aware of it and mark things accordingly. We already had manufacturers changing the color of the USB-A connectors inner plastic to whatever suits the visual look of there device rather than following the colors by the spec that tell you what type of USB port it is.
SiliconWizard:
--- Quote from: Berni on June 28, 2022, 11:25:04 am ---Ah indeed there is an convention for making ports:
https://www.kensington.com/news/docking-connectivity-blog/usb-c-demystified/
But i am guessing it is on the device manufacturers to be aware of it and mark things accordingly. We already had manufacturers changing the color of the USB-A connectors inner plastic to whatever suits the visual look of there device rather than following the colors by the spec that tell you what type of USB port it is.
--- End quote ---
As far as I've seen, none of the "conventional" markings can indicate whether a given USB-C port supports *charging the device* through it. Please tell me that I missed it, though.
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