Has that yellow cord always been in the set-up? Try reading the side of the cable to see if it says anything about being a crossover. Many devices can detect them so it doesn't matter, but some don't.
If possible, see if you can swap that cable out with a different one and see what happens.
Edit: Just saw your edits... That's interesting. There's definitely something up with the switch and/or the connection to/from it. Just for kicks, if you're able, try using a completely different cable from router to switch and see what happens.
That cable that he spliced back together - is that part of this equation? If so, those caps won't do much as you need to connect all 8 of the wires for it to work. Using a marette thingy won't work.
Last edited by Jimmy Stang; 07-05-2010 at 09:51 AM.
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