Power-over-Ethernet allows infinite Ethernet based devices; IP telephones, wireless LAN access points, IP surveillance cameras, access control devices, digital displays, thin clients and many other enterprise terminals to safely receive power over standard category 5 or better Ethernet cabling, without modification to existing infrastructure. These devices support easy and efficient installation of converged networks to support a variety of markets including education, healthcare, retail, financial and public transportation. 

PowerDsine, the technology leader in the development of PoE technology was the first solution available to power Ethernet devices over existing Ethernet infrastructure through their PoE midspans. PowerDsine continues leadership of PoE technology with environmentally friendly devices that deliver power over all 4 pairs of CAT-5 or better cable and through leadership contributions to the development of recently ratified HDBaseT standard which will deliver up to 95W of power. 

PowerDsine midspans are standalone, layer 1 data pass-through devices that decouple power and data infrastructures and reside between an ordinary Ethernet Switch and the end terminals. This is an ideal solution for the increasing power supply requirements of today’s Ethernet devices. 

Microsemi Corporation acquired PowerDsine in January, 2007.