I had a very similar problem with the Belkin adapter using the mct_u232
and never could get it to work.  I had very similar problems - minicom
would freeze up after sending a few characters.

One thing I noticed is that when the adapter was attached to a windows box
and working, the tx and rx lights would blink at appropriate times, but
when I attached it to the linux box, only the "link" light would flash
when I was trying to send data.  Are you experiencing a similar problem?

Sorry I can't be of more assistance - I eventually gave up and purchased
a keyspan adapter which has been working flawlessly.

-Chris

On Fri, 21 Jun 2002, Milan Novansky wrote:

> Hi all,
>
> I've tried to use MCT U232-P25 ( 0x711/0x230 ) usb-serial convetor
> with kernel 2.4.18 ( usb-uhci, usbserial, mct_u232 ) but hasn't got any good
> results at all. When I connected to another unix system's serial console
> I was able to see received chars but was not able to send any ( 9600 8N1 ).
> When I connected to a modem I was able to type AT cmds which were echoed
> back ( no local echo ) but they returned no results ( seemed as return was not
> delivered ). Anyway when there was no device connected, typing several returns
> hanged minicom ( strace showed hang at write ). The same scenarios worked
> fine under windows ( I was even able to dial out with attached modem ).
>
> Any hints/solutions/pointers are highly appreciated
>
> Rgds,
>
> Milan
>
>
>
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