Check out what mochasoft has contributed to FileCart
Mocha W32 TN5250 makes it possible to connect to an IBM host (AS/400) via TCP/IP with the TN5250 protocol and emulate a 5250 Display Station.
The AS/400 - also called the "IBM iSeries," is a midrange server from IBM, designed for the business world. TN5250 is a terminal emulator which provides access to an AS/400.
Mocha W32 Telnet is a Windows 98/2000/NT/XP application. It makes it possible to connect to a host via TCP/IP with the Telnet or SSH1/2 protocol and emulate a VT220 terminal.