Re: (OT) ISO a serial (RS232) to USB converter

Helmut Giese wrote:
Hello out there,
needing to access multiple RS232 lines at the same time we tried out
an USB to serial adapter (under XP). The requirements are not earth
shaking: Connect to a modem at 9600 Baud, 8N1, dial out and then
communicate with a device in the field.

The problem is: Communication does work at times but not always. It
could of course be a problem in my software, but since using COM1 and
COM2 works reliably, the thought occurred that the USB devices might
be at fault.
I replaced the device in question - only to find out that both seem to
come from the same vendor (Hardware Manager reports them both as
'Prolific USB to serial converter' - cited from memory, since I am
currently at a different location).

My question is: Did anyone have better experiences with an USB to
serial adapter from a different vendor?
Any hints or links will be greatly appreciated.
Best regards
Helmut Giese

pl 2203 is a generic chip that does usb 2 serial stuff which seems to
be used by everyone and his/her grandma.

afair there was some bug report and an actual acknowledgement
by the vendor some time ago. ( but i am not quite sure if this was on c.l.t )
ha: http://groups.google.com/group/comp.lang.tcl/msg/4235f94ed04fbd79

uwe
.

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