Advanced Simulation Technology inc.
ASTi RIU Features

Audio I/O

  • Four audio Inputs/Outputs provide support for multiple operators and audio equipment at a single remote node
  • Balanced line-level Inputs and Outputs for increased noise immunity and ease of interfacing
  • 16 bit delta/sigma converters for superior sound quality
  • Can drive military headsets directly
  • Capacitively-coupled or direct-coupled output
  • Easily configurable input gains

Digital I/O

  • Digital Input supplied with each audio channel for direct connection of PTT, reducing delays and voice cutoff
  • Opto-Isolated Digital Output supplied with each audio channel for equipment or driving LEDs

Serial I/O

  • Two serial ports for interfacing to simulated communications panels, ASTi Hand-Held Terminals, and general purpose I/O modules
  • Supports multi-dropped I/O modules

TDM Ring/RIU Architecture

  • Up to 14 RIUs and/or 24 voice channels supported on a single digital TDM ring providing multiple user interfaces and a highly scalable architecture
  • Convenient RIU installation at remote locations close to operators and equipment
  • RIU and digital TDM ring reduces cabling requirements and noise susceptibility typically encountered with analog solutions

Packaging

  • Small, self-contained prepackaged unit fits easily on the desktop or can be 19" rackmounted
  • Board-level units available at request for embedding in customer equipment

General

  • DSP based for maximum signal processing capability and future feature enhancement
  • Combined with ASTi's DACS and state machine software, the RIU is the distributed audio conversion building block for constructing small and large, stand-alone communications simulation and conferencing networks
See the links in the right-hand sidebar for additional RIU-related information.