fORP Interface Unit

The interface is the heart of our light-based computer response systems, transmitting and receiving the optical signals and producing the computer outputs.


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  1. Birch Interface
    Birch Optical Interface Unit
    • Powerful drop-in replacement for FIU-932
    • Use with all your existing response devices
    • Duplicate time-stamped record of subject responses
    • Compact, mountable, touch screen form factor
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  2. 905 Interface
    905 Interface

    Simple, yet powerful fiber optic interface for USB use

    Bus-powered, supporting up to 5-button response pads, and including both optical and TTL trigger inputs

    Replaces the FIU-904 as our low-cost solution for fMRI response

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  3. 932 Interface & Power Supply
    932 Interface & Power Supply

    Versatile 32-channel electronic interface and power supply for use with all fiber optic pointing devices and response boxes

    Based on 15 years of experience and includes many advanced features

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