On Tue, 16 Nov 2010 10:13:22 -0600 Matt Schulte <matts@xxxxxxxxxxxxxxxxxxxx> wrote: > On Tue, Nov 16, 2010 at 8:30 AM, Pavel Machek <pavel@xxxxxx> wrote: > > Hi! > > > >> Documentation about RS485 serial communications > > > > I have seen hardware (kontron pmc-6l) that was capable of switching > > between RS232, RS485 and one other standard by software. > > > > Is such hw common? If so, should we have standard interface? > > In my opinion this type of card is not that common. Generally > speaking the achievable baud rates for this type of multi-protocol > card are very limited because of limitations of the transceiver chips. > It seems that most of the time people would rather have a faster > serial port than one that does several different voltages If there are two types in common use then thats enough to say we should have a common interface IMHO -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
