The topic of this article may not meet Wikipedia's notability guidelines for products and services. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted. Find sources: "TN3270 Plus" – news · newspapers · books · scholar · JSTOR (November 2011) (Learn how and when to remove this message)

TN3270 Plus
Developer	SDI USA Development Team
Initial release	October 21, 2001; 24 years ago (2001-10-21)
Final release	4.0.8[1]  / July 2025
Operating system	Microsoft Windows
Type	Telnet Terminal Emulator
License	SDI USA
Website	www.sdisw.com

TN3270 Plus is a terminal emulator for Microsoft Windows. It is used for connecting Windows PC users to IBM mainframe, IBM i and UNIX systems via TCP/IP. TN3270 Plus includes terminal emulation for 3270, 5250, VT100, VT220 and ANSI terminals.^[2]

TN3270 Plus supports Windows 11, 10, 8, Server 2012, 7, Vista, Server 2008 and XP. Users can configure the desktop interface to the required specifications with keyboard mapping, color definition and customizable ASCII to EBCDIC translation tables.^[2]

On September 26, 2025 SDI USA ceased operations citing "Lack of sufficient management structure and an aging workforce". The TN3270 Plus emulator can still be used by licensed customers, though technical support is no longer available.^[3]

References

External links