i need some help...i purchased an adptor to connect a logger to my laptop...when i connect the instrument to the 232 port on my office pc it downloads all the data and communicates with the logger...problem now is i need to annalyse on site so i went and purchased a meccer adptor so it connects to a usb port but it keeps indicating error messages all the time and baud rate incorrect...but when i connect to the 232 port without the adptor on my office pc no errors...help needed.