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29 October 2021, 13:26
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#1 |
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Registered User
Join Date: May 2020
Location: NE / UK
Posts: 227
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Vga switcher question
There is a 4 way vga switcher that does not need a power cable. There is another one that does need a power cable.
What's the deal? Is the one with the power cable somehow better for the signal? |
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29 October 2021, 13:55
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#2 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 43
Posts: 9,861
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Most likely the powered one will not degrade the signal as much.
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29 October 2021, 14:16
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#3 |
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Registered User
Join Date: Jun 2009
Location: Dublin, then Glasgow
Posts: 6,334
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Yeah, the one with the power cable likely uses electronic switches instead of mechanical, resulting in better transmission. It might also have things like automatic switching, and if it also has a keyboard switch, it might support switching with keyboard shortcuts.
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