that emulates a 5250 class terminal communication via that process. TN5250 allows a 5250 terminal emulator to communicate over a TCP/IP network instead of an SNA network. Standard telnet clients cannot be used as a substitute for TN5250 clients, as they use a different data stream format. Interfacing 5250 terminals with commodity hardware An interface was created to connect to the Twinax port of a 5250 terminal and communicate with it like an AS/400 host. It currently provides VT52 emulation and a shell on the system to which the adapter is connected. List of IBM 5250 Twinax terminals IBM 3179 The IBM 3179 exists as a 3270 and a 5250 terminal. IBM 3180 The IBM 3180 exists as a 3270 and a 5250 terminal. IBM 3196 80x24 characters. Models: 3196 model A10: Green screen. 3196 model B10: Amber-Gold screen. IBM 3197 Models: IBM 3197 model C10 (1920 characters) IBM 3197 model C20 (1920 characters) IBM 3197 model D10 (3564 characters) IBM 3197 model D20 (3564 characters) IBM 3197 model D40 (15 inch green phosphor) IBM 3476 IBM 3477 Models: IBM 3477 model HAX (14-inch amber-gold monochrome monitor) IBM 3477 model HGX (14-inch green monochrome monitor) IBM 3477 model HCX (14-inch color monitor) IBM 3477 model HDX (15-inch green monitor) IBM 3486 Models: IBM 3486 model BAX (14-inch amber-gold monitor) IBM 3486 model BGx (14-inch green monitor) IBM 3487 Models: IBM 3487 model HAX (15-inch amber-gold monitor) IBM 3487 model HCX (14-inch color monitor) IBM 3487 model HGX (15-inch green monitor) IBM 3488 Does not include an internal display. An external monitor is connected via VGA. IBM 3489 Does not include an internal display. An external monitor is connected via VGA. See also Terminal emulator IBM 3270 References External links Overview of the green screen (5250 Terminal) "FTP software repository at IBM" – 5250 Telnet Interface – 5250 Telnet Enhancements – IBM's iSeries Telnet Enhancements 5250 Block-oriented terminal 5250 Computer-related introductions in 1977