UnitekFiber Solution.
UnitekFiber Solution.

CWDM Multiplexer Mux Demux

Fiber Optic

Introduction of CWDM (Coarse Wavelength Division Multiplexing)

With the development of optical communication, optical communication components are also growing rapidly. As one of the components of optical communication, the optical transceiver module plays the role of photoelectric conversion. There are many types of optical modules. Common ones are QSFP28 optical transceiver modules, SFP transceive optical modules, QSFP + optical transceive modules, CXP optical modules, CWDM optical modules, DWDM optical modules, and so on. Each optical transceive module has different application scenarios and functions. Here UnitekFiber will briefly introduce what is CWDM optical module.

Types of CWDM Multiplexer Mux Demux

Understand CWDM Mux Demux

CWDM Mux Demux is an optical device that combines multiple optical signals with different wavelengths onto a single fiber for transmission and separates them at the receiving end. CWDM Mux Demux is a passive device that does not require external power. CWDM Mux Demux is cost-effective, requires less complex equipment, and enables longer transmission distances compared to other WDM technologies. CWDM Mux Demux finds applications in optical networking, telecommunications, and data centers.

CWDM Mux Demux

The CWDM Mux Demux is a reliable and user-friendly passive device. It offers flexibility with various wavelength combinations ranging from 1270 nm to 1610 nm, with 20nm spacing. Depending on the specific application, the CWDM Mux Demux can be configured into different channels. When deploying a CWDM multiplexer in your network, it is essential to pair it with a CWDM demultiplexer at the opposite end. This allows for the separation or demultiplexing of wavelengths, ensuring they are directed to the correct receivers. Typically, a CWDM Mux Demux serves as a multiplexer or demultiplexer at either end of the fiber cable span. However, it always needs to be used in pairs.

What Are the Advantages of CWDM Demux/Mux

Advantages of CWDM Demux/Mux

The most important advantage of CWDM Demux/Mux is low equipment cost. In addition, another advantage of CWDM Demux/Mux is that can reduce network operating costs. Due to the small size of the CWDM Demux/Mux, low power consumption, easy maintenance and convenient power supply, 220V AC power can be used. Due to its small number of wavelengths, the board backup volume is small. 8-wavelength CWDM Demux/Mux has no special requirements for optical fibers. G652, G653, and G655 optical fibers can be used, and existing fiber optic cables can be used. CWDM system can significantly increase the transmission capacity of optical fiber and improve the utilization of optical fiber resources. The construction of metropolitan area networks is facing a certain degree of tightness in optical fiber resources or expensive prices for leasing optical fibers. At present, a typical CWDM system can provide 8 optical channels, and according to ITU-T G694.2 specifications, it can reach up to 18 optical channels.

We UnitekFiber as a professional manufacturer of Multiplexer Demux/Mux, can provides high quality CWDM & DWDM Multiplexer Demux/Mux etc optical components. We are so glad to support you and to establish a business cooperation with you. Please contact us at Email sales@unitekfiber.com if you have any inquiry.

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