Meridian Technologies Digitally Encoded 2 Unidirectional Audio Channel

Meridian Technologies Digitally Encoded 2 Unidirectional Audio Channel

Meridian Technologies Digitally Encoded 2 Unidirectional Audio Channel


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Expected availability: 7-10 business days

Product Highlights

  • 2 Unidirectional Channels (24 Bit)
  • SpectraSmart Network Management
  • 3-Pin Terminal Blocks
  • Local Indicators
  • Surface Mount Technology (SMT)
  • Hot Swappable Rack Card
  • Back-biased Photo Detector Circuitry
  • Resettable Solid-State Current Limiter
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Meridian Technologies SR-2A-3FC overview

  • 1Description

The Meridian Technologies Digitally Encoded 2 Unidirectional Audio Channel, a part of the SA series, can receive two 24-bit unidirectional audio channels over a single optical fiber. This series is compatible with Meridian's SpectraSmart Network Management and diagnostic PC based systems, which offer real-time identification of faults and out-of-tolerance conditions. The channels are used in intelligent transportation systems (ITS), security and surveillance, and access control.

Local indicators allow you to view the operations of each audio signal; local LED status Indicators help monitor system diagnostics and performance parameters. For single mode fibers, laser based systems are used; for highly reliable and repeated output, Surface Mount Technology (SMT) is used. FC optical connectors and hot swappable rack cards allow you to remove the card even when the system is operational. To obtain stable optical laser output over full temperature range, it has a back-biased photo detector circuitry.

The unidirectional audio channel uses internal switching power supplies and meets NEMA TS1 / TS2 & CALTRANS specifications. To provide protection from fault currents, the equipment has automatically resettable solid-state current limiters on all power lines. Wide optical dynamic range allows clear image capture even when lighting intensities vary widely across the field-of-view. It has a 3-pin screw terminal connector for convenient and easy connection of the audio channel interfaces.

Receives two 24-bit unidirectional audio channels over a single optical fiber compatible with Meridian's SpectraSmart Network management and diagnostic PC based system
Local indicators - view the operations of each audio channel
Local LED status indicators are used to monitor critical system diagnostics and performance parameters
Laser-based system for single mode fiber
Surface Mount Technology (SMT) for high reliability and repeatability
FC optical connector
Hot-swappable rack card - remove card when the system is operational
Back-biased photo detector circuitry for stable optical laser output
Internal switching power supplies
Meets NEMA TS1 / TS2 & CALTRANS specifications
Automatically resettable solid-state current limiters for protection from fault currents
Wide optical dynamic range and 3-pin terminal connectors for easy and convenient connection of the audio channel interfaces
In the Box
Meridian Technologies Digitally Encoded 2 Unidirectional Audio Channel
  • 1-Year Warranty
  • Table of Contents
    • 1Description

    Meridian Technologies SR-2A-3FC specs

    Audio I/O Impedance: 600 Ohm (Bal.), 47 KOhm (Un Bal.)
    Frequency Response: 10 Hz to 20 KHz
    SNR: >90dB (Weighted) @ 1 KHz
    In/Out Level: -8 to +8 dBm (4Vp-p max.) / (+18 dBm available on request)
    Total Harmonic Distortion: <0.01% @ 1KHz
    Resolution: 24 Bit
    Optical Fiber Data Rate: 250 Mb/s
    Connectors Video: 75 Ohm BNC (Gold Center Pin)
    Optical: ST, FC
    Audio: 3-pin Screw Terminal Blocks
    Power 6W
    Number of Slots 1
    Quality MTBF: >170,000 hours @ Ground Fix 35°C per MIL217F
    Operating Temperature -29 ~ 23°F (-34 ~ +74°C)
    Dimensions (WxHxD) 0.8 x 5 x 6.3" (20 x 127 x 160mm)
    Weight 16 oz (450g)
    Packaging Info
    Package Weight 2.0 lb
    Box Dimensions (LxWxH) 10.0 x 7.0 x 3.0"

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