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    • Display Units

    IBM Twinax Terminals for AS/400 and iSeries Systems

    IBM Twinax Terminals (part of the 5250 family) are classic display stations designed for direct Twinaxial connection to IBM AS/400, iSeries, System/36, and System/38 midrange computers. These terminals provide reliable, low-latency access to host applications with green or amber monochrome displays, extended color options in later models, and support for multiple sessions, printer attachment, and enhanced data streams. They remain valued in legacy environments for their durability and compatibility with IBM i workloads.

    Key Features

    • Twinaxial (Twinax) interface for direct host connection up to 5,000 feet.
    • Models support 24x80 or 27x132 character formats with high-resolution CRT displays.
    • 122-key or 102-key keyboards with function/command keys for efficient data entry.
    • Supports multiple display sessions and printer passthrough (model-dependent).
    • Extended Data Stream (EDS) support for improved formatting and graphics.
    • Ergonomic tilt/swivel stands and power saver features in InfoWindow series.

    Popular Models and Specifications

    Model Display Key Features Typical Use
    3477 InfoWindow Green/Amber 14" Supports 2 display + 1 printer session, PS/2 mouse, EDS Standard AS/400 terminal
    3486 InfoWindow II Green/Amber 14" 24x80/27x132, split-screen, calculator function, modular design Enhanced monochrome terminal
    3487 InfoWindow II Amber/Color 15" Mouse support, up to 2 display sessions, extended functions Advanced color-capable terminal
    3488 InfoWindow II Color 17" Modular, larger screen, high-resolution color Modernized Twinax display
     
     

    Benefits

    IBM Twinax Terminals offer proven reliability and direct host connectivity without requiring additional emulation software or network infrastructure. Their robust design and simple operation make them ideal for environments still running legacy AS/400 or iSeries applications where modern thin clients or emulators are not preferred. These terminals provide low-latency response, physical keyboard feel, and compatibility with IBM i security and session management features, helping maintain operational continuity in production settings.

    Compatibility

    IBM Twinax Terminals are compatible with IBM AS/400 (System i), iSeries, System/36, and System/38 systems using Twinaxial cabling. They support 5250 data stream protocols and connect directly to Twinax workstation adapters or controllers (e.g., 2746, 6040). Models like 3476/3477, 3486/3487, and 3488/3489 are plug-compatible with standard Twinax ports. Suitable for IBM i (OS/400/i5/OS) environments requiring physical terminals for console, operator, or user access. Not compatible with modern Ethernet-only systems without Twinax gateways or emulators. Verify exact model, cable type, and address configuration for your setup.

    Warranty: 60 days from DataTechComputer.com.

    • IBM 3476 InfoWindow Display Unit
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      IBM 3476 InfoWindow Display Unit

      IBM 3476 InfoWindow series 3476 is a 14-inch, flat screen, smudge-resistant, monochrome monitor that attaches to the IBM System/36, IBM System/38 and IBM AS/400 processors. The IBM 3476 14-inch monitor has an actual viewable screen size of 11.4 inches...

      $375.00
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    • IBM 3477 InfoWindow Display Unit
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      IBM 3477 InfoWindow Display Unit

      IBM 3477 InfoWindow series 3477 is a 14-inch, flat screen, smudge-resistant, monitor that attaches to the IBM System/36, IBM System/38 and IBM AS/400 processors. The IBM 3477 14-inch monitor has an actual viewable screen size of 11.4 inches when measured...

      $375.00
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    • IBM 3486 InfoWindow II Mono Display Unit
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      IBM 3486 InfoWindow II Mono Display Unit

      IBM 3486 InfoWindow series 3486 is a 14-inch, flat screen, smudge-resistant, monochrome monitor that attaches to the IBM System/36, IBM System/38 and IBM AS/400 processors. The IBM 3486 14-inch monitor has an actual viewable screen size of 11.3 inches...

      $375.00
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    • IBM 3487 InfowWindow II Display Unit
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      IBM 3487 InfowWindow II Display Unit

      IBM 3487 InfoWindow series 3487 is a 15-inch, flat screen, smudge-resistant, monitor that attaches to the IBM System/36, IBM System/38 and IBM AS/400 processors. The IBM 3487 15-inch monitor has an actual viewable screen size of 11.85 inches when...

      $500.00
    • IBM 3488 InfoWindow II Modular Display Station
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      IBM 3488 InfoWindow II Modular Display Station

      IBM 3488 InfoWindow II Modular Display Station is an AS/400* twinaxial-attach, modular design, display terminal supporting OS/400 advanced 5250 functions of: 5250 Image/Fax: The 3488 can display and locally print single-page monochrome image or facsimile...

      $350.00
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    • IBM 3489 InfoWindow II Modular Display Station
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      IBM 3489 InfoWindow II Modular Display Station

      IBM 3489 InfoWindow II Modular Display Station is an AS/400* twinaxial-attach, modular design, display terminal supporting OS/400 advanced 5250 functions of: 5250 Image/Fax: The 3488 can display and locally print single-page monochrome image or facsimile...

      $500.00
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