Hi Johan, > And keep the current modem-control-signal polarity. What are the levels > of these signals when coming out of reset (i.e. after having connected > the device, but not opened it yet)? Thanks. RTS is low (0V) after plugging the device in. Regards, Maksim. -- 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