Gbic multimode HTF WDM Mux Demux In Optical Network
16ch DWDM Mux/Demux in One 1U Rack Mount Chassis, 100GHz ITU Grid, Duplex LC/UPC
Optional:C21-C36, C27-C42 or C43-C58, Or customizied channel base on your requirement.
Insertion Loss≤ 4.6dB (with connectors and adapters), or can customized IL<3.5dB or 3dB
The cost difference between CWDM and DWDM is mainly reflected in hardware and operation cost.
With the increase of the total number of multiplexed wavelengths and the increase of single channel transmission rate, power consumption has become a key factor in the circuit board design of the system. Compared with DWDM system, CWDM system without cooling laser has low power consumption, which can effectively save the cost.
Although both DWDM and CWDM use DFB laser as light source, DWDM needs to use cooling technology (i.e. cooler) to control the temperature change and stabilize the wavelength in order to prevent the wavelength from drifting out of the filter channel of the multiplexer and demultiplexer due to the change of temperature. Sometimes, wavelength locking device is used to ensure the accuracy and stability of wavelength, while CWDM does not need cooling technology At present, the cost of CWDM system is only 30% of that of DWDM system.
Dual fiber 16ch DWDM Mux Demux
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