4 channel CWDM Mux Demux LGX Module LC/UPC Dual Fiber

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CWDM Mux Demux is a flexible, low-cost solution that enables the expansion of existing fiber capacity. The CWDM stands for Coarse Wavelength Division Multiplexing which is defined by with CWDM ITU Grid G.694.2 with listing 18 wavelengths from 1270nm to 1610nm with a channel spacing of 20 nm. Our Mux/Demux CWDM is based on TFF ( Thin Film Filter ) technology which has low insertion loss, high channel isolation, flat passband to enable cascading CWDM filters.

This 4 channel CWDM mux demux module rack allows you to multiplex/demultiplex eight separate channels into one pair of fiber by using CWDM colored transceivers 1000Base CWDM SFP, 10G CWDM SFP+, 25G SFP28 CWDM and 40G CWDM etc.
And the main advantage of CWDM Mux Demux is its passive nature – no power supply or cooling necessary, robustness – no special micro-climate requirements and as passive element, it has MTBF 100+ Years and it's transparent to any rate, any service multiplexing and upgrade, such applications as 1G/10G/25G Ethernet, SDH/SONET and 8/4/2/1G Fiber Channel.

Our CWDM module is enable to equipped with a monitor port that allows you to attach a power meter, OTDR or an optical spectrum analyzer to assist you in monitoring and troubleshooting the CWDM network. Moreover, we also offer an expansion port that is used to add or expand more wavelengths or CWDM channels to the network.

This CWDM Mux and Demux LGX module only occupy one slot of 1U 19'' rack mount for increasing the utilization rate of rack chassis and flexiable mixed hybrid CWDM module installation.


  • Low Insertion Loss: Typical 2.0dB, Max 2.4dB
  • Passive Transparent Any Rate, Any Service Multiplexing
  • Compliant with All Optical Networking Products (CWDM ITU Grid)
  • Multiplexing of up to 4 Channels on Fiber Pair to Maximize the Usefulness of Existing Fiber
  • Transport High Capacity Data over Long Distances
  • Silk Screened Channel Port Number for Easy Identification

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We offer FREE shipping on orders over US$179 WORLDWIDE by FedEx, DHL or UPS! We ship orders Monday through Friday from our warehouses. Most of the orders will be processed and shipped within 1~2 business days, excluding some custom items. The specific shipping time varies on the destination, shipping service you choose, and customs clearance. If you have a strict delivery time requirement, you may contact the sales representative before your purchase, and we will recommend you an appropriate shipping method. According to shipping methods, delivery time around the world is estimated as follows:

  • FedEx Estimated 3-6 business days
  • DHL Estimated 3-6 business days
  • UPS Estimated 3-6 business days

Extended 30-day, no-questions-asked Return Policy

We have a 30-day, no-questions-asked return policy for all of our products. If you aren’t satisfied, please contact our team within 30 days of receipt for a refund or replacement. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original and unopened packaging. To initiate a return please contact our customer success team who will issue an RMA number and provide return shipping instructions.

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Once your package leaves our warehouse, we'll send you a shipment notification email. This email includes the carrier name, tracking number, shipping date and items' details. You can click the tracking number to track your package on the carrier's website, like DHL, FedEx or UPS.

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