IBM is taking a never again approach to the lassitude that allowed third parties to dominate the 3270 market, and keeps the opposition on its toes with constant enhancements and price cuts. Two new entry 3191s, the D and E add printer port for the IBM Proprinter to print the screen contents with the touch of a key. Screens can show 32 as well as 24 lines, and a record/play/pause feature can store up to 1,500 characters of frequently used names or phrases for automatic playback and insertion of new or variable information. The 3191 L adds a Selector Light Pen as keyboard alternative. The 3192 Model F colour VDU adds 27 by 132 and 43 by 80 character formats and Proprinter port and there is also a Model L light pen version of it. The 3194 now includes models with 15 mono display, 12 colour or 14 colour. An expanded memory feature for all the new IBM 3194s provides 192Kb of additional memory, bringing the total to 832Kb, and they also have an ASCII feature to emulate a DEC VT100 display, and a port for the Proprinter. A new ASCII display, the 3151, has a 14 display and two element design combining monitor and logic system in a single unit. Amber or green, it has 10 non-IBM terminal emulations built in and others can be added using credit card sized cartridges. The IBM 3174 controller now offers Multiple Logic Terminal Support as a standard feature, so that some 3270 devices can interact with up to five host sessions. The total number of SNA Logical Units supported by the 3174 also rises to 180 from 128. The 180 Logical Units are supported on 3174 Models 1L, 1R, 2R and 3R. A new facility, Central Site Change Management, will allow users to distribute customisation parameters and/or data to SNA 3174controllers that are serviced from a central site.And the IBM 3812 Model 2 Pageprinter can now beattached to 3270s, most 4300s and the 9370s. It now supports the Intelligent Printer Data Stream.
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