The Gigabit Ethernet SFP standard optical 1310nm transceiver that is well suited for short/mid haul applications. The Gigabit Ethernet SFP are small form factor pluggable transceivers that consist of an optical transmitter and an optical receiver. The transmitter and receiver technology in use is different between the different SFP products. All SFP’s have the ability to report information such as wavelength, received signal level, launch power and internal temperature. This information is available in some of Nevion’s SFP based products presented through their respective element management system.