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CWDM
As a passive CWDM device, Coarse Wavelength Division Multiplexer (CWDM) is a low-cost WDM transmission technology for the metropolitan area network access layer. In principle, CWDM uses an optical multiplexer to multiplex optical signals of... moreCWDM
As a passive CWDM device, Coarse Wavelength Division Multiplexer (CWDM) is a low-cost WDM transmission technology for the metropolitan area network access layer. In principle, CWDM uses an optical multiplexer to multiplex optical signals of different wavelengths to a single optical fiber for transmission. At the receiving end of the link, the mixed signals in the optical fiber are decomposed into signals of different wavelengths with the help of an optical demultiplexer and connected to the corresponding receiving equipment.
CWDM adopts thin-film filter technology with good wavelength stability. It can be configured and upgraded according to requirements. The product has the characteristics of low insertion loss, high channel isolation, wide bandwidth, and low-temperature sensitivity.
#cwdm #manufacturers
https://www.phxfiber.com/products/cwdm/ less
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5G Fronthaul Semi-Active WDM System
#active #cwdm
The scheme features active WDM on the DU side and passive WDM on the AAU side. Through the intervention of active equipment, the management and protection functions of the frontal transmission carrying... more5G Fronthaul Semi-Active WDM System
#active #cwdm
The scheme features active WDM on the DU side and passive WDM on the AAU side. Through the intervention of active equipment, the management and protection functions of the frontal transmission carrying network are realized.
At the same time, the simple and low-cost characteristics of remote passive are taken into account. The network reliability is improved, and the manageability and maintainability of the fronthaul transmission network are also improved.
https://www.optical-sintai.com/products/5g-fronthaul-semi-active-wdm-system.html less
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