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5G Fronthaul 12 Wavelengths WDM Module

Channel Spacing:20nm

Center Wavelength (ITU Channel):ITUT

Port Number:12

Connector Type:LC/UPC

Product Details

Introduction

12 wavelengths CWDM is coarse wavelength multiplexing/demultiplexing module combined with optical switch. Support bidirectional 12 CWDM wavelengths and each wavelength has PD for optical power detection. The COM port supports primary and backup optical path switching and bidirectional optical power detection.

 

 

Features

  • Low insertion Loss
  • Small module dimension
  • Excellent reliability

 

 

Application

Semi-active WDM: Passive colorful optical modules and multiplexer/demultiplexer units are deployed at AAU side, and active WDM equipment is deployed at DU side. Multiple AAUs share a fiber for transmission, and no power supply is required at the remote end.

 

In 4G era, because of low requirements for protection and monitoring, passive CWDM has been widely used due to its mature industry chain, power-free, and plug-and-play features. However, after entering 5G era, in the face of the contradiction between the high reliability of 2B service, the management of massive CRAN networks, and the limited number of operation and maintenance personnel, the application of semi-active technology has become a solution for how to meet new requirements of 5G era.

 

Semi-active CWDM is based on passive CWDM,adding coupler, optical switch and PD core unit to realize line protection and local side optical power detection functions.

 

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