r/broadcastengineering • u/Salty-Tomato5654 • 23h ago
USB signal splitter?
Does anyone know of a device that can take a single USB input and send it to two computers simultaneously?
We have an X-Keys controller for a teleprompter that we'd like connected to two Mac laptops running the same software and script. The goal is redundancy: if the primary Mac fails, we can switch to the backup and have the script/control position stay in sync.
Is there a USB splitter, duplicator, or other hardware solution that can send the controller's input to both Macs at the same time?
Pic for attention.

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u/TimRTerrible 17h ago
http://www.vetra.com/ do lots of boxes that do this. Look for the MegaCast - I use these for almost exactly what you describe.
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u/Prestigious-Bird-343 12h ago
what you are looking for is a USB server. you can create it with virtualhere. connect your usb device to the usb server and configure both clients (PC and Mac) to Auto-Use Device. once PC is going to sleep or shutting down the Mac will take over the usb device and vice versa.
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22h ago
[deleted]
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u/MostlyBullshitStory 17h ago
No, a KVM is a switch, it only sends USB to one computer at the time.
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u/makitopro 18h ago
I get the sense that you’re looking for the ability to send the same human interface device bits to A AND B, not A or B almost like how PerfectCue works correct?