I'm doing a lot of upgrade work on my sound system this summer including taking the time to run stuff through conduit that was running along the floor between the mixer and the rack. I have a computer for audio playback with an M-Track 8 in my audio rack, connected by a 25' USB cable. The current cable works great, but it runs along the floor. I would love to run this cable through conduit instead. However that conduit run goes up to the ceiling and back down, adding around 20 feet to the length of the cable run over just going along the floor. I was at my local electronic shop and saw these cool USB A plugs with a Phoenix/Euroblock connector on the back (Like this). So I decided to try them out. I ran Cat 6 through the wall and wired them up. When I plug it in to the M-Track, the computer can see that there's a USB device there but can't load the drivers. It's just an unknown USB device. Is my cable run just too long without some sort of active extender? Am I perhaps wiring them up wrong? There was no packaging and no indication on the Phoenix/EuroBlock Connector of how to wire them. I assumed it was best to just use the same pattern on both ends. I also tried reversing the pattern on one end to see if that would fix it. No luck. I suppose I could have damaged one of the cables in the Cat6 while running it, so I will try running a meter on the connectors to make sure that's not a problem. Ideas? I'm leaning towards it just being too long. If you have a suggestion for a good extender product let me know. As I said I've got Cat6 in the wall so in 10 minutes I can throw RJ45 plugs on the cable and be ready to go for an extender.