MUX / DEMUX passive solutions

Leading suppliers of MUX/DEMUX devices

We’re pleased to offer an extensive range of MUX/DEMUX passive solutions for both CWDM and DWDM networks, together with the associated optical transceivers. All of our products are 100% compliant with optical networking hardware and our extensive testing protocols provide quality assurance that everything will work right the first time. Please contact us with your requirements and we’ll be happy to provide the best solution for your needs.

What are MUX/DEMUX devices?

A MUX (or multiplexer) is a device that combines multiple signals over a channel in the form of a single complex signal. Conversely, at the receiving end a DEMUX (or demultiplexer), then recovers the individual strands. In this way, the DEMUX works in the reverse manner to the MUX. The process is known as multiplexing (or muxing) and demultiplexing (or demuxing).

To put it another way, multiplexing and demultiplexing technology is a cost saving method designed to combine multiple communication channels over one physical medium, providing a robust and low-cost bandwidth upgrade in the process. On one end of the fibre line the communication channels are “muxed” together then transmitted over the fibre and “de-muxed” at the other end.

MUX/DEMUX devices consume no electrical power and hence are known as passive devices.

The main differences between CWDM and DWDM MUX/DEMUX devices

There are 2 standards for multiplexing: CWDM and DWDM. The main differences between CWDM (Coarse Wavelength Division Multiplexing) and DWDM (Dense Wavelength Division Multiplexing) MUX/DEMUX devices is the number of channels and ports.

  • CWDM can have 18 channels; whereas DWDM can have up to 96 channels.
  • CWDM is available in 8 and 16 port models; DWDM is available in a larger range of ports; common configurations are 4, 8, 16 and 32.

If you’d like any further information about the MUX/DEMUX devices we provide, don’t hesitate to let us know.

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