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1550nm External Modulated Optical Transmitter

Features:

  • Both the external modulator and laser are imported from the United States or Japan
  • Perfect pre-distortion circuit ensures the best CTB and CSO when the CNR is in high standard
  • Perfect SBS suppress circuit and variable SBS in 13, 16, and 18, suitable for different types of CATV network
  • AGC control
  • Internal double power which can be changed automatically
  • Automatically shell temperature control

    Parameters

    Specifications

    Optical

    Wavelength (nm)

    1550±10

    Laser Type

    DFB

    Modulation Mode

    External Modulation

    Output Power (dBm)

    1×7 or 1x5, 1x6, 2x7, 1x9, 2x5, 2x6, 2x9

    Optical Return Loss (dB)

    ≥60

    Connector Type

    FC/APC (Interchangeable with SC/APC)

    RF

    Bandwidth (MHz)

    45 ~ 862

    Input Level (dBuV)

    83±5 (AGC)

    Flatness (dB)

    ≤±0.75 (45 ~ 862MHz)

    Return Loss (dB)

    >16 (45 ~ 750MHz)

    Input Impedance (Ω)

    75

    Link

    CNR (dB)

    ≥52 (65km fiber receiver 0 dBm)

    CTB (dB)

    ≥65

    CSO (dB)

    ≥65

    SBS (dBm)

    ≥16.0 (12 ,16, 18)

    General

    Net Interface

    RJ45, RS232

    Power

    90 ~ 265 VAC or -48 VDC

    Power Loss (W)

    ≤50

    Working Temp. (°C)

    0 ~ 50, with automatically shell temp control

    Storage Temp. (°C)

    -20 ~ 85

    Working Relative Humidity

    20% ~ 85%

    Dimensions (mm)

    483 (W) x 381 (D) x44 (H)

    • Transmission of video and audio signals through the optical network (FTTH and HFC)
    • Converts electrical RF signals into fiber signal
    • Suitable for smaller networks and shorter distances
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