1U Modular Fiber Optical Multiplexer

       
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    About 1U Modular Fiber Optical Multiplexer


    1. Summary
    Developed by Guangzhou Yinxun, this product is a device for comprehensive services of broadband access. With optic fiber link, this product can provide 2 channels of 10/100Base_T data interfaces, 8 channels of 2Mb/s(E1) and 32 subscriber interfaces, and the said subscriber interfaces include FXO, FXS, 2/4 wire audio interface, 2/4 wire EM, RS232/V.24, magnet telephone, hot-line, V.35.etc.

    2. Function features
    a)Diversified interfaces for varied services of broadband and narrowband access
    b)Provide 2 channels 10/100Base_T interface, 8 channels of E1 interfaces and 32 channels optional subscriber
    interfaces;
    c)The voice interface supports caller ID display
    d)CCB payphone application with polarity reversal;
    e)Perfect indications of status are available to facilitate maintenance and management
    f) With small size and compact appearance, and easy for installation and operation.

    3. Working conditions
    Working temperature: 0℃~40℃
    Relative humidity: ≤90% (25℃)
    Atmospheric pressure: 86-106Kpa

    4. Power supply
    Input voltage: -48V
    Allowable voltage fluctuation: -36V~-72V
    Input current: <1A

    5. Subscriber Interface Modules (optional)
    Ø FXO
    Ø FXS
    Ø 2 wire audio interface/2 wire E&M interface
    Ø 4 wire audio interface/4 wire E&M interface
    Ø RS232/V.24 asynchronous data interface
    Ø RS232 synchronous data interface
    Ø RS422 data interface
    Ø RS485 data interface
    Ø Magnet telephone interface
    Ø V.35 interface(n*64K bandwidth)
    Ø V.21/V.22 interface
    Ø G.703 64Kb/s synchronous data interface
    Ø 10/100Base_T Ethernet interface(100M/S share)
    Ø E1/2M interface

    6. Technical Parameters


    ☆Optic Interface

    Bit Rate: 155.52Mbps ±20ppm
    Line Type: NRZ+ scrambling code
    Transmitting Optical Power:
    >-5dB(long distance),Or >-12dB(short distance)
    Receiving Sensitivity: >-36dB
    Standard Interface Types:
    FC/Single Mode /Dual-fiber/transmission distance 40Km
    Alternative types: single fiber,60,80Km……

    ☆ E1/2MInterface

    Bit Rate: 2.048Mbps ±50ppm
    Standards : ITU-T G.703, G.704, G.712
    Line Type: HDB3
    Interface Impedence: 75Ω
    Physical Interface: CC4

    ☆ Subscriber Interface(FXO)

    Impedance: 600Ω
    Insertion Loss: -3±0.75dB
    Frequency Characteristic: 300~3400Hz(-0.6~+3dB)
    Weighted Noise: ≤63.7dBmop
    Crosstalk Attenuation: ≥65dB
    Loop Impedance: ≤1800Ω

    ☆Subscriber Interface(FXS)

    Impedance: 600Ω
    Insertion Loss: -3±0.75dB
    Frequency charactieristic: 300~3400Hz(-0.6~+3dB)
    Weighted Noise: ≤63.7dBmop
    Crosstalk Attenuation: ≥65dB
    Loop Impedance: ≤1800Ω

    ☆ 2/4 lines audio interface


    Coding Type: ITU-T G.711A
    Frequency Range: 300~ 3400Hz
    2 wire input relative level: 0~ -5dBr
    Output Relative Level: -2~ -7dBr
    4 wire Input Relative Level: -14dBr
    Output Relative Level: +4dBr

    ☆ V.24/RS232 interface

    Data and clock level conform to the recommendation of
    V.28
    Synchronous Data Rate: 64Kbps
    Asynchronous Data Rata: 0~19200bps

    ☆ Ethernet interface

    Compatible with: IEEE802.3
    Interface Type: 10/100Base_T
    Interface rate: 10/100Mbps (self-adaptive)
    Transmission Rate: 100Mb/s share
    Physical Interface: RJ45

    ☆ Others

    19 inch 1U EIA chassis
    LED indicates the working status of the system
    Input Voltage: -48V DC
    Acceptable dynamic Voltage: -36V ~ -72V
    Input current: < 1A
    Ambient Temperature: ≤50℃
    Relative Humidity: ≤90%RH



    7. Scope of Applications
    This integrated multi-service transmission device is suitable for special network accesses of power station,airport,government,military and video conferencing or video surveillence.

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