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IBM 3277 Model 2. The IBM 3270 is a family of block oriented [1] display and printer computer terminals introduced by IBM in 1971 [2] and normally used to communicate with IBM mainframes. The 3270 was the successor to the IBM 2260 display terminal. [3] Due to the text color on the original models, these terminals are informally known as green ...
A 3270 Emulator is a terminal emulator that duplicates the functions of an IBM 3270 mainframe computer terminal on a computer, usually a PC or similar microcomputer. As the original 3270 series terminals were connected to the host computer through a display controller (cluster controller) [a] using coaxial cable, emulators originally required ...
TN3270 Plus. 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. TN3270 Plus supports Windows 8, Server 2012, 7, Vista, Server 2008 and XP.
CPU. Intel 8088 @ 4.77 MHz. Memory. 256KB ~ 640KB. The IBM 3270 PC (IBM System Unit 5271), is a personal computer developed by IBM and released in October 1983. Although its hardware is mostly identical to the IBM PC XT, the 3270 contains additional components that, in combination with software, can emulate the behavior of an IBM 3270 terminal.
Systems Network Architecture[1] (SNA) is IBM 's proprietary networking architecture, created in 1974. [2] It is a complete protocol stack for interconnecting computers and their resources. SNA describes formats and protocols but, in itself, is not a piece of software. The implementation of SNA takes the form of various communications packages ...
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An additional 370 channel card can be added to provide mainframe-specific I/O such as 3270 local control units, 3400/3480 tape drives or 7171 protocol converters. Although a single-card product, the P/370 ran three times faster than the 7437, attaining 3.5 MIPS, on par with a low-end IBM 4381 . [17]
ISPF. In computing, Interactive System Productivity Facility (ISPF) [1] is a software product for many historic IBM mainframe operating systems and currently the z/OS and z/VM operating systems that run on IBM mainframes. It includes a screen editor, the user interface of which was emulated by some microcomputer editors sold commercially ...