Hi, I had bad experiences with Profilic based adaptors, they are a POS! Get a silicon labs cp210x based adaptor, which I think are even better than those from FTDI.
http://www.alibaba.com/product-gs/288753118/cp2102_usb_rs232_cable_VCC_GND.html http://connectingcables.en.alibaba.com/product/326571577-210803458/CP2102_FT232_PL2323_optional_RS232_to_USB_adapter_cable.html -Michael 2012/1/18 Pippo Pippo 77 <pippopipp...@email.it> > Hi, > i need to connet 2 PL2303 serial converter in order to get 2 serial port. > I tried this with voyage 0.8 and voyage 0.5, and behaviour is the same. > > When I connect the converters, i got some message in dmesg log, that told > me that converters is attached to /dev/ttyUSB0 and /dev/ttyUSB1. > > If i use this converter one by one, it work without problem, but i need to > use it together with 2 modem at same time. > In this case, the second device I try to open with minicom, it would not > connect and i got this message into dmesg log: > > *pl2303_open - failed submitting interrupt urb, error -28* > > I tried with Voyage 0.8 with new kernel but problem persist. Useing device > one a time, works perfectly, but together not, the second i try to use i > got this interrupt urb error. > What can cause this? What can i try? > > Any help would be appreciated. Many Thanks in Advance. > > Marco > > _______________________________________________ > Voyage-linux mailing list > Voyage-linux@list.voyage.hk > http://list.voyage.hk/mailman/listinfo/voyage-linux > >
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