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What's this cable used for ?

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deepinder_brar@lemmy.world
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asklemmy@lemmy.world
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I don’t know much about cables so if type something wrong forgive me …

I was wondering around with some old stuff, and found this cable that is usb to usb “as shown in the image below”

https://m.media-amazon.com/images/I/71hHpyqvvnS._AC_UF1000,1000_QL80_FMwebp_.jpg

Now what i thought was that it might be used to connect 2 computers with each other so i tried that and connected 2 computers with each other using it and nothing happened Can anyone tell me what this cable is even used for ???

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deepinder_brar@lemmy.worldOP
1 point

Thanks for the info, I have another question. Can it be used to connect one pc to another maybe for sharing files or for doing some other stuff ?

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ArbitraryValue@sh.itjust.works
10 points

Generally no - USB connections are asymmetric, with hosts and devices. Your PCs are both hosts - they cannot function as devices or communicate with other hosts.

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NPC@lemmy.world
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ch00f@lemmy.world
4 points

Nope. Computer USB A ports are “upstream ports.” Both computers would be expecting to find a downstream device on the port. USB needs a single host to control everything. Can’t have two hosts.

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rocker@kbin.social
2 points

If it was already tried with this specific cable and it didn’t work, then this cable doesn’t have the capability built in. Some cables like this have a bridge in the cable that allows pc to pc communication.

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Nollij@sopuli.xyz
3 points

Laplink is a major product that still does this. In the center is a controller that acts as a device to both ends, letting both PCs act as a host.

It still requires their software to make use of this connection, though.

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Rednax@lemmy.world
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Not without special support from the hardware and software. But a smartphone is pretty much a PC with specialized hardware and software. And you can certainly plug your smartphone into a PC to share photo’s.

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