The ACE-RIU (ACE Remote Interface Unit) is a module made by ASTi for simulation, training, and communications systems. It operates as an audio & digital I/O distribution device, part of ASTi’s ACENet architecture.
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Connects operator headsets, speakers, control panels (and live radios in some configurations) to a central system over the network.
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Supports 48 kHz digital audio sampling, with low-noise analog-digital conversion.
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Has multiple channels (4 audio input channels, 4 outputs, etc.).
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Digital inputs/outputs per channel for external control (PTT switches, etc.). It also offers serial I/O (e.g. RS-422) to connect operator panels.





