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Re: Another possible device (was: Re: OT: Questions about (buying and) using a laptop docking station)



On Tuesday, March 24, 2020 09:10:16 AM Joe wrote:
> USB hubs are not peer-peer like the old Ethernet hubs. USB is a (quite
> complex) master-submaster-slave protocol with each device negotiating
> for speed and bandwidth with the one 'above'. The electronics of a USB
> hub shares out the bandwidth it is offered to its slave ports and must
> talk to its master through the input port/cable, in this case the C
> socket. The (sub-)master in a PC must connect to the hub and its slaves
> through the designated input cable, it cannot talk to other slaves
> while plugged into one of the slave ports.

Ahh, interesting -- thank you!


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