MMF has historically been used by enterprise LANs inside buildings and across campus. For renovation projects, the removal of MMF cabling, and its replacement with singlemode cable, often hurts the business case for an Optical LAN design. Furthermore, where Optical LAN was preferred for the new expansion, customers have been hesitant to operate traditional LAN and OLAN in parallel. New sm/mm optical splitters allow users to leverage their mmf installation and get the advantages of a POL.
Sourced through Scoop.it from: www.tellabs.com