Robert P. J. Day wrote: > > i've spent quite a bit of time messing with this. in a nutshell, > i'm trying to talk to the serial console of a beagleboard via a USB > port on my laptop. if i run out of my laptop to a targus port > replicator, from there to a null-modem cable, and then to one of those > IDC serial cables (so i can connect to the 2x5 10-pin connector on the > BB), that works *every* *time*. flawlessly. > > for simplicity, if i try to replace the bulky port replicator with a > simple USB-serial converter, then null-modem and IDC cable, that fails > -- what i get (after verifying all the same minicom settings) is junk > being dumped to the screen, exactly as if the baud rate was wrong but > this is being done without touching any of the minicom settings. > > in my situation, this is absolutely reproducible -- the targus port > replicator always works, the USB-serial converter never. i'm baffled. > now, this is the only USB-serial converter i've ever tried so i'm > tempted to pop down to the local geek store and just pick up a > different brand to see if it's still reproducible. > Dumb question - do you need the RS-232 control lines? If so, a lot of the cheap adapters do not support them, or only support a limited set. The biggest problem seams to be missing the hardware flow control lines. (CTS/RTS) Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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