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Model 3489 InfoWindow II Twinax Terminal
3489-V Modular Twinax Terminal for AS400, iSeries and AS/36

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IBM InfoWindow II 3488 and 3489 -
Modular Multi-SessionTwinax Displays
for the iSeries, AS/400 and AS/36


The IBM InfoWindow II 3488 and 3489 are  modular Twinax Terminals with Keyboards that use a standard SVGA Color Monitor as the display instead of an "all in one" terminal.  This allows you to replace the monitor portion when the screen fades or fails, just as you would replace a monitor on a PC.

It is a direct replacement for ALL other IBM InfoWindow Terminals like the 3476, 3477, 3486 and 3487.  It connects with the same Twinax connection to your AS400, iSeries or System/36 as these other models do.

When connected to Power9/7/6/5, iSeries or any model iSeries AS/400 over a Twinax-to-IP Controller such as an I-O Corporation 5794ip/XIP/XIP+ Twinax Controller or BOSaNOVA eTwinax Controller, the 3488 and 3489 are identical in operation and can be used interchangeably. 

The IBM 3488 and 3489 are

only available as a refurbished product. Other refurbished Twinax terminal options are available.  Please click on the following links:

We also have replacement keyboards for all IBM InfoWindow Twinax Terminals. Click here for replacement keyboards for your IBM 3476, 3477, 3486, 3487, 3488 and 3489 Twinax Terminals


Click Here for More Information on the IBM 3488 Modular Twinax Workstation


  • Supports attachment of many IBM P and G series monitors
    as well as most standard SVGA Color Monitors

  • Supports 24, 32, 43 and 49 rows by 80 columns and 27 rows
    by 132 columns (monitor-dependent)

  • User-selectable foreground and background colors

  • Modular logic unit can be desk or wall-mounted

  • Two keyboards available: 
    122-key 24-Command Key keyboard and 102-key 12-Command Key keyboard

  • Supports four display sessions and one printer session

  • Shared addressing: all display sessions use (share) a single twinaxial address

  • Variable vertical or horizontal split screen

  • Enhanced user interface with IBM mouse and/or light-pen support

  • Available refurbished only

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Click here to go to:
IBM 3476 InfoWindow Twinax Display Station
IBM 3477 InfoWindow Twinax Display Station
IBM 3486 InfoWindow II Twinax Display Station
IBM 3487 InfoWindow II Twinax Display Station
IBM 3488 InfoWindow II Twinax Display Station
IBM 3489 InfoWindow II Twinax Display Station
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