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Why CWDM & DWDM combination network can be achieved
The CWDM wavelength range is 1270-1610 nm and the channel spacing is 20 nm, virtually covering all ranges of DWDM wavelengths, whereas DWDM wavelength channel spacing is much smaller (0.4 nm / 0.8 nm).So CWDM wavelengths near DWDM wavelengths can be used to transmit DWDM wavelength.In most practical applications, CWDM 1530nm and 1550nm channels are used to achieve CWDM & DWDM combined transmission.
The advantages of CWDM & DWDM combined optical transmission
.Reduce costs & investment protection
.Add DWDM wavelengths to CWDM systems to increase capacity and maximize return on investment
.Easily scale CWDM solutions to 44 wavelengths without impacting network traffic
.Easy to install and maintain
.Installed in the FMU 2-slot 1U chassis, facilitates cable management and network operation
•Cable Type:CAT6 or Better