> ... The Moxa > UPORT only has one pair for data transfer and places a header on each > transfer over the endpoint indicating for which port the transfer > relates to. There is a second endpoint pair for events, such as modem > control lines changing state, setting baud rates etc. Again, a > multiplexing header is used on these endpoints. AAARRggg... the hw designers do it again. Looks like this makes it almost impossible to correctly sequence modem control signal transitions with the actual user data. I guess no one tries (or needs) to synchronise such changes these days. David -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
