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Availability: Obsolete
OBSOLETE SNAP 32-Channel Digital ARCNET Brain Board

Production Specification

The SNAP-BRS-HA is obsolete and no longer available. There is no direct replacement. Depending on your application, you may be able to use a B3000-B brain with RS-485 instead of twisted-pair Arcnet, or you may want to migrate to the SNAP PAC System. Please contact our Opto 22 Pre-Sales engineers with details about your specific application so they can help recommend parts.

NOTE: If you already have a SNAP-BRS-HA, note that not all SNAP I/O modules are compatible with this brain. See Legacy and Current Product Comparison and Compatibility Charts to determine compatibility.

Power Requirements

5.0 -5.2 VDC at 1.0 A max

Operating Temperature

0 to 70 °C, 5–95% humidity, non-condensing


Dual, twisted-pair ARCNET ports, single or redundant

Data Rate

2.5 megabits per second, not selectable

LED Indicators

RUN (Power On), RX (not functional), and TX (Activity)


CAT-3 or CAT-5 UTP


SNAP 32-Channel Digital ARCNET Brain Board Data Sheet

*** This product is obsolete and no longer available. ***
The SNAP-BRS-HA brain board is a high-performance digital I/O processor used to remotely control up to 32 digital I/O modules using Opto 22's SNAP B Series I/O mounting racks and can be used with either an Opto 22 controller or a host computer.

CE Declaration: Low Voltage

This document is the Manufacturer's Declaration for the listed products as mentioned in the attachment - to which this confirmation refers - that they are in accordance with the mentioned European, international and/or national standards and regulations.

No downloads are available for this product.
No videos or demos are available for this product.