On Mon, 1 Nov 2004, Josh Koffman wrote:

> I'm sure you're going to get a lot of responses on this, but here's
> the answer. A to A cables aren't USB cables. They may have USB
> connectors, but they are against the spec, exactly for this reason.
> You can't connect two computers together via their USB ports without
> putting something in between (yes, I'm sure there are exceptions).

Yes, you can, but only once in some cases.

You are not going to believe how many times customers try (hard) to plug a 
mini-USB male connector into a mini-firewire female receptacle.

> What you want is a USB direct connect as they are sometimes called.
> Google around or check on eBay for more of an idea of what you need.

He wants to build one. Probably can be done by mating two ftdi devices 
back to back so to speak. And I hope the grounds of the two connected 
devices are solid.

Peter
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