Hercules SETUP is useful utility including terminal for the Serial port (RS232 or RS485), UDP/IP and TCP/IP (Client or Server). Implemented Serial Terminal works with the Virtual Serial Ports (COM12 for example), and controls all serial port lines (CTS, RTS, DTR, DSR, RI, CD). Using Telnet extended with NVT allows serial port configuration, device identification (RFC2217), confirmation of data sequence, etc. Simple TCP client (like the HyperTerminal) with support for view format, file transfers and sending macros to the device. You can also log your communication to the file. It's only one .EXE file and no installation is required. It's distributed as freeware.