coarse wavelength-division multiplexing (CWDM)

GPTKB entity

Statements (18)
Predicate Object
gptkbp:instanceOf wavelength-division multiplexing technology
gptkbp:abbreviation gptkb:CWDM
gptkbp:application metropolitan area networks
access networks
gptkbp:channelNumber up to 18
gptkbp:channelSpacing 20 nm
gptkbp:contrastsWith dense wavelength-division multiplexing (DWDM)
gptkbp:enables multiple optical signals on a single fiber
gptkbp:feature lower cost than DWDM
passive technology
less channel density than DWDM
no need for optical amplifiers in short distances
https://www.w3.org/2000/01/rdf-schema#label coarse wavelength-division multiplexing (CWDM)
gptkbp:standardizedBy gptkb:ITU-T_G.694.2
gptkbp:usedIn fiber-optic communications
gptkbp:wavelengthRange 1270 nm to 1610 nm
gptkbp:bfsParent gptkb:Dense_wavelength-division_multiplexing_(DWDM)
gptkbp:bfsLayer 7