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ASTi Telestra USB: Iris Interface Module
6-Channel Iris
19" rackmount 6-channel Iris, also available
in single-unit (2-channel) packaging

Key

Features

Audio - per 2 channels

  • Two independent, software configurable audio inputs and outputs
  • Balanced and Unbalanced connection support for increased noise immunity and flexible equipment interfacing
  • Selectable Input/Output gain, mic/line input impedance, and mic power supports wide range of commercial and military mics and audio peripherals
  • Robust output supports low and high impedance commercial and military headsets, speakers and other audio peripherals
  • > 90dBv isolation (crosstalk) between channels
  • < 0.7% THD + noise
  • 20Hz–20kHz frequency response

I/O - per 2 channels

  • Three digital inputs provided with each audio channel for direct PTT connection, or other digital input application to reduce delays and voice cutoff
  • One opto-isolated digital output supplied with each audio channel for live radio keying or activity indication
  • Two serial ports for interfacing to ASTi HHTs, Sincgars radio panels, and other serial based devices live and simulated

Distribution

  • Convenient remote installation close to operator headsets and equipment
  • Two USB connections for additional equipment connection and distribution
  • Digital audio and I/O distribution reduces noise and cross-talk susceptibility
  • Auto-recognition by the Telestra MBV environment

Packaging

  • Small, self-contained package provides flexible mounting options for both desktop and rackmount applications

Iris Specifications - per 2 channels

Audio Inputs
Quantity: Two
Input Impedance: 32k (line mode), 1.5k (mic mode)
Input Level: +/- 2.25Vp-p max (at 0dB gain)
Input Gain: Configurable, -20 to +52dB
Mic Power: Selectable T-Power (13VDC)
Audio Outputs
Quantity: Two
Output Impedance: 16Ω
Output Level: 0.77VAC RMS into 8Ω
Output Power: +105dB SPL into 8Ω
Digital Inputs
Quantity: Six (3 per audio channel)
Type: Contact Sense, 2-pin
Digital Outputs
Quantity: Two (1 per audio channel)
Type: Opto-Isolated, 2-pin
Current: 120mA continuous
Serial Ports
Quantity: Two
Type: RS-422
Connection: Standard RJ-12 (6 pin)
Distribution, USB-Based
Primary Connection: USB Type mini-B connection to Axis or Spectrum modules
Added Distribution: Two USB Type A connections to Iris and other ASTi USB-based peripheral devices
Mechanical
Size: 4.5"w x 1.6"h x 6"d
Mounting Base: Flange, 5.5" wide
Mounting Options: Flat surface mount, NS-35 Din-Rail Mount, ASTi 1U 19" rackmount kit (up to three units)
General
Audio Connection: Two, DB-15 Female
DC Power, Direct: +15VDC, 0.8A max, locking connector
AC Power Supply: 100-240VAC, 50-60Hz, 1.5A RMS, external AC/DC power supply included
See the links in the right-hand sidebar for more information on Telestra hardware and software.
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