Ideally, enterprises would like to upgrade their data centers to 40G/100G Ethernet without changing their existing duplex multimode fiber infrastructure being used for 10G Ethernet. Also, many would like to maintain the same supported link distances as 10G Ethernet. Pluggable optical transceivers with short wavelength division multiplexing (SWDM) technology address this market need.

Read the source article at cablinginstall.com