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A 3270 Emulator is a computer program that duplicates the functions of an IBM 3270 mainframe computer terminal on a PC or similar microcomputer.
As the original 3270 series terminals were connected to the host computer using coaxial cable, emulators required coax adapter cards to be installed in the PC. Today, many emulators communicate with the mainframe computer through the TN3270 variant of the Telnet protocol common on TCP/IP networks including the Internet, so special hardware is no longer required.
Products
In 1983, IBM marketed the IBM 3270 PC, a bundled package including a PC, 3270 emulation software and coax interface card.
3270 emulators were (and are still) available from many third-party vendors. Some solutions permitted a coax interface to be shared by workstations in a LAN.
Common brands include(d)
- Personal Communications by IBM.
- EXTRA! and Reflection by Attachmate
- Cleo TN3270 by Cleo Communications
- IRMA by DCA
- TN3270 Plus by SDI
- Nexus Terminal by Nexus Integration
- UniKix J3270 by Clerity Solutions Inc.
- DynaComm by FutureSoft Inc.
- Visual 3270 by OpenConnect Systems Inc.
- Aton Connect by Aton International, Inc.
- TN3270 for iPhone and iPod by Mochasoft Apps.
