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    HC-DM-AU

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    HC-DM-AU Audio Transmission Device OverviewHC-DM-AU audio transmission device provides conversion between the audio signal and the framed G.703/E1 signal. The audio signal can be transmitted thro

    1. Detailed information

    HC-DM-AU Audio Transmission Device

     

    Overview

    HC-DM-AU audio transmission device provides conversion between the audio signal and the framed G.703/E1 signal. The audio signal can be transmitted through the E1 by this device. It’s widely used in high-quality broadcast and other applications like hi-fi audio transmission

     

    Feature

    Provide 2 E1 port and support chain or ring connection

    Can configured by the CLI through the NM port

    Support GUI management

    Both 220V AC/-48V DC power supply

     

    Specification

    E1 interface:

    Provide 2 E1 port

    Comply with ITU-T G.703/G.704 standard

    Impedance: 75 Ω unbalance/120 Ω balance user-selectable

    Connector: BNC for 75 Ω and the RJ45 for the 120 Ω

     

    Audio interface:

    Provide 2 audio ports

    Audio bandwidth: 10Hz~20kHz

    Input and output impedance: 600Ω


    Input and output signal’s peak voltage: 1.5V

    Sampling frequency: 32k

    Input: S/ (N+D): 85dB, (S/N): 89dB

    Output: S/ (N+D): 85dB, (S/N): 92dB

    Quantization precision: 16 bit

     

    Others

    Power supply: both 220V AC and -48V DC

    Power dissipation: < 8W

    Dimension: 19” 1U


    Enviroment

    Operating temperature: -5°C~+45°C

    Store temperature: -20°C~+70°C

    Relative humidity: 5%90% no coagulation


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