905 Interface


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905 Interface

Availability: In stock

Simple, yet powerful fiber optic interface for USB use
Bus-powered, supporting 5-button response pads, and including both optical and TTL trigger inputs
Great low cost solution for many applications



The opto-electronic interface receives optical signals from the handheld devices in the MR suite, and converts them into electronic signals for the computer. The FIU-905 is a low-cost way to have 5-button responses in an easy-to-use small package.

The 905 is a USB-only device: it provides standard HID compatibility so it will work with any program.


» Auto-gain adapts to changing configurations and devices
» Supports HHSC devices with 5 buttons
» Optical triggering - no need to have your own optical-TTL converter
» Faster - for better timing, improved responsiveness
» Internal programs (firmware) are locally upgradeable through the USB connection
» Aluminum enclosure 3 x 2.75 x 1 in. (7.4 x 6.5 x 2.4 cm)

User Interface

When this device is plugged in, it does its job: There's no need to configure anything.
Button states and triggers are indicated with LEDs for 5 buttons).


The 905 has a single, full speed USB output.


» An 9-way optical port connects to any HHSC button box having 5 buttons.
» Both optical and TTL triggers can be connected, so there's no need to have a separate optical-to-TTL trigger converter box.

Response Device Compatibility

Supports our latest ("HHSC-") response devices with 5 buttons. Does not support legacy ("HH-") devices or pointing devices.

magnet safe This device is not for use inside the magnet room: it contains metal and electronic components.

What else is needed

This device is normally used with an optical response device and a fiber bundle.

Click on the images below to learn more about the other parts of the system.
Response DeviceFiber Optic BundlesfORP Interface Units

Need More Information?

The fORP Ordering page has more information about how to order a complete fORP system.
Additional Information
Price $1,330.00

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