... connected 2Available USB, RS-232 and TTL Interface 3os support:Vista/Win XP/2000 and so on In the data ... tax, business and other charges stored-value computer security management system.TypeGHC 815InterfaceRS232, Virtual USB Appearancesmall, beautiful, card easy to ... /5542, SLE4418/4428, SLE4404, SLE4406 and so on Software support: Supported development environment MS-DOS under TURBO C, BORLAND C ...