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    Products / Multiplexers / Mux Demux / DWDM Mux Demux / 100538
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    8 Channels 100GHz C53-C60, with Monitor, Expansion and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber DWDM Mux Demux, FMU Plug-in Module

    Product No: 100538
    0 Reviews
    211 Sold
    $362.90  $399.00
    Series
    Model
    102 in real-time stock, 24Oct, 2026
    3-Year Warranty 90-Day Returns 1-Year Exchange
    Warranty
    Providing industry-leading limited lifetime warranty.
    Please check our warranty policy for details.
    Returns & Exchange
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    1. Any service, any rate multiplexing with passive transparency.
2. Utilizing fiber pair for up to 8 channel multiplexing to optimize fiber usage.
3. Maintaining low insertion loss, with a maximum of 3.3dB and typical of 3.0dB.
4. Compliance with ITU grid optical networking products.
5. Capacity enhancement through 1310nm and expansion port integration.
6. Channel power levels can be monitored through a monitor port that taps off 1% of the signal.
7. Customization of the solution is possible to meet specific customer application requirements.
    See more

    Specifications

    8ch C53-C60 MUX DEMUX with Monitor, Expansion, and 1310nm Port for Dual Fiber DWDM

     

    DWDM Mux Demux finds its primary usage in long-distance transmission systems, where wavelengths are efficiently packed within the C-band spectrum. It supports up to 8 wavelengths in a 100GHz grid (0.8nm) , making it ideal for a variety of applications. It is protocol-agnostic and can be employed for 10/1G Ethernet, SDH/SONET, 16/8/4/2/1G Fibre Channel, FTTx, and CATV systems.

     

    Part Number QT-FMU-D85360EM3 Installation Method FMU-C Plug-in
    Wavelength 8 Channels C53-C60 1535.04nm-1529.55nm Channel Spacing 100GHz (0.8nm)
    Channel Passband ±0.11nm Passband Ripple ≤ 0.2dB
    Insertion Loss ≤2.4dB Technology TFF (Thin Film Filter)
    Insertion Loss @ 1% Mon ≤26dB Insertion Loss @1310 Port ≤0.8dB
    Directivity ≥45dB Link Loss ≤3.2dB
    Polarization Mode Dispersion (PMD) ≤0.1ps Return Loss ≥45dB
    Polarization Dependent Loss (PDL) ≤0.3dB Channel Isolation Adjacent ≥30dB
    Non-adjacent ≥ 45dB
    1310nm Port Passband 1260nm~1360nm Operating Temperature -40 to 85°C (-40 to 185°F)
    Center Wavelength Accuracy ±0.05dB Storage Temperature -40 to 85°C (-40 to 185°F)
    Dimensions (H x W x D) FMU BOX: 44 x 212 x 255mm
    2 Slot 1U Rack: 44 x 442 x 261mm    		 Net Weight FMUC Plug-in Module: 0.5KG
    2 Slot 1U Rack: 3.5KG

     

    Quality Testing Program
    Optical Transceivers Testing

    Take a look at our test program to get the reliable and high-performance optical transceivers.

    Quality Certifications

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    Features

    • 1. Optimal Optical Performance
      Low optical insertion loss, zero electrical power, no temperature control requirements, and easy installation make the best-in-class operational efficiency.
    • 2. Widely Application Scenarios
      It works with colored transceivers and supports such applications as 1G/10G/25G/40G/100G Ethernet, SDH/SONET.
    • 3. Integrated with MON Port and EXP Port
      The monitor port allows easy troubleshooting without downtime, the expansion port supports capacity expansion.
    • 4. Quality Certifications
      Backed by CE, FCC, ROSH, ISO9001.

    Applications

    Use DWDM Mux Demux for Multiple 40G DWDM Network up to 40KM

     

    Use DWDM Mux Demux for Multiple 40G DWDM Network up to 40KM

    Product details

    Rich Ports of the 8-Channel DWDM Mux Demux

        

    Label

    Meaning

    Function

    C53, Cxx, ..., C60

    8-channel Ports

    Designed for DWDM traffic, from 1535.04nm to 1529.55nm.

    1310

    1310nm Port

    Supports multiple legacy optical transceivers, including 1G LX/SX, 10G LR, 40G ER4/LR4, and 100G LR/ER4/LR4/ZR4. It is mainly used to carry existing legacy traffic over the DWDM system.

    MON

    Monitor Port

    Provides access for link observation and optical power monitoring, allowing engineers to perform testing and troubleshooting conveniently without interrupting live traffic.

    EXP

    Expansion Port

    Designed for future network growth. By connecting this port to the line port of another DWDM Mux Demux with different wavelength channels, users can expand bandwidth and increase fiber capacity without deploying or leasing extra fiber.
     

    Ports of QT-FMU-D85360EM3 DWDM Mux Demux

    Basic Principles of DWDM Multiplexing and Demultiplexing

         

    The DWDM Mux Demux essentially combines multiplexing (Mux) and demultiplexing (Demux) functions. At the transmitting end, the Mux combines optical signals of different wavelengths into the same fiber for transmission; at the receiving end, the Demux separates these mixed multi-wavelength signals and restores them to their individual channels. The overall process is one of "merging" at one end and "demultiplexing" at the other, corresponding to each other.

               

    Dual Fiber

     

       

    Maximize Your Fiber Resources with Passive WDM Network

         

    WDM technology enables diverse data transmissions over a single fiber, reducing the need for multiple dedicated fibers per service.

    It serves as a cost-effective network solution by optimizing the utilization of optical fibers.

               

    Maximize Your Fiber Resources with Passive WDM Network

       

    Comprehensive Network Solution Design for Free

       

    Individually crafted solutions meeting your specific requirements perfectly.

         Comprehensive Network Solution Design for Free

    Questions & Answers

    • All (5)
    • I noticed that the 40 Channels Passive DWDM Mux Demux device uses AAWG technology. What is the difference between AAWG and AWG?
      AAWG (Athermal Arrayed Waveguide Grating) remains stable across temperature variations without needing active control, making it ideal for harsh environments or where thermal control is impractical. AWG (Arrayed Waveguide Grating) lacks inherent thermal stability and may require additional thermal management. Both are used for wavelength multiplexing/demultiplexing in optical communication, but AAWG is preferred for temperature-sensitive applications.
    • I did not find the target model I need on the website, can I make a special customization?
      Sure, you can customize different channel numbers. We can provide 4/8/16/40/64, different line types with single fiber or Dual Fiber, and customize the functional ports you need. You can choose Monitor, 1310nm, and Expansion Port. Finally, you can also customize the Wavelength band you need.
    • What is the Filter Technology of the DWDM MUX DEMUX?
      We supply two types of TFF (Thin Film Filter), TAWG (Thermal Arrayed Waveguide Grating), and AAWG (Athermal Arrayed Waveguide Grating) for DWDM MUX DEMUX.

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    Resources

    • PDF Document
      QT-FMU-D85360EM3 Datasheet.pdf
    • PDF Document
      Mux Demux & OADM User Guide.pdf
    Check Test Reports on Target Device
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    Product image
    8 Channels 100GHz C53-C60, with Monitor, Expansion and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber DWDM Mux Demux, FMU Plug-in Module

    Series DWDM DF MUX/DEMUX

    Model FMU, C53-C60, 2.4dB

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    Satisfaction
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    Mark

    2023-12-15
    This product works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent value fo ct works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent valur money!

    Verified Purchase

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    8 Channels 100GHz C53-C60, with Monitor, Expansion and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber DWDM Mux Demux, FMU Plug-in Module
    $399.00
    Series
    DWDM DF MUX/DEMUX
    Model
    FMU, C53-C60, 2.4dB
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    Bulk Order Quotes
    Product image
    8 Channels 100GHz C53-C60, with Monitor, Expansion and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber DWDM Mux Demux, FMU Plug-in Module

    Series DWDM DF MUX/DEMUX

    Model FMU, C53-C60, 2.4dB

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