Overview of 8 Channels CWDM Mux Demux

The 8 Channels CWDM (Coarse Wavelength Division Multiplexing) Mux Demux module is a passive optical device designed for cost-effective and flexible short-distance transmission. Based on Free Space technology, this unit can function as both a multiplexer and de-multiplexer, facilitating efficient wavelength management in optical networks. It adheres to the ITU-T G.694.2 standard and maximizes the capacity of the C-band range. The device is compatible with CWDM optical transceivers and Optical Add-Drop Multiplexers (OADM), supporting a variety of network architectures from simple point-to-point connections to complex amplified ring configurations.

Key Features

  1. Wavelength Range:
    • 8 Channels: Covers wavelengths from 1470 nm to 1610 nm.
    • Channel Spacing: 20 nm, reducing interference and crosstalk between channels.
  2. Performance Parameters:
    • Insertion Loss:
      • Typical: 2.0 dB
      • Maximum: ≤ 2.4 dB
      • At 1% Monitor Port: ≤ 24.3 dB
      • At Expansion Port: ≤ 2.4 dB
    • Channel Passband: ± 6.5 nm ensures stable data transmission within the designated wavelength range.
    • Passband Ripple: ≤ 0.5 dB ensures minimal signal distortion.
  3. Isolation and Signal Integrity:
    • Channel Isolation:
      • Adjacent Channels: ≥ 30 dB
      • Non-Adjacent Channels: ≥ 40 dB
    • Return Loss: ≥ 45 dB, reducing reflection and improving signal quality.
    • Directivity: ≥ 50 dB ensures high separation between input and output signals.
    • Polarization Dependent Loss (PDL): ≤ 0.3 dB ensures performance stability regardless of the light’s polarization.
    • Polarization Mode Dispersion (PMD): ≤ 0.1 ps, minimizing the impact of polarization on signal transmission.
  4. Expansion and Monitoring:
    • Expansion Port Passband: 1260 nm to 1457 nm, allowing for additional channel capacity.
    • Monitor Port: Provides easy access for signal monitoring without disrupting the main signal path.
  5. Robust Design:
    • Technology: Utilizes Free Space technology for efficient and reliable signal processing.
    • Power Handling: Up to 500 mW, suitable for high-power applications.
    • Operating Temperature: -40°C to 85°C, ensuring reliable operation in various environmental conditions.
    • Storage Temperature: -40°C to 85°C, allowing safe storage in extreme temperatures.
  6. Physical Specifications:
    • Dimensions: 1.73″ x 8.35″ x 10.04″ (44 mm x 212 mm x 255 mm)
    • Connector Type: LC/UPC, ensuring compatibility with standard optical interfaces.
    • Form Factor: FMU Plug-in Module, facilitating easy installation and integration into existing systems.

Applications

  • Telecommunications: Enhances fiber optic network capacity by multiplexing multiple data streams.
  • Data Centers: Supports high-speed data transmission and expands network capacity.
  • Enterprise Networks: Provides scalable bandwidth solutions for large-scale network infrastructures.
  • Metro and Access Networks: Facilitates efficient deployment and management of metro networks.

The 8 Channel CWDM Mux Demux is an ideal solution for enhancing network capacity and flexibility while maintaining high performance and reliability in various optical network configurations.

 

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