Mid-Span PSE/PoE Injector (OM-PSU-P)
OM-PSU-P is an IEEE802.3af compliant mid-span single-port Power over Ethernet (PoE) injector used to pass electrical power safely, along with data, on Ethernet cabling to Powered (PD) devices. The IEEE standard for PoE requires category 5 cable or higher for high power levels, but can operate with category 3 cable for low power levels. Power is supplied in common mode over two of the differential pairs(4,5,7,8) and data is passed through on the other two of the twisted pairs(1,2,3,6).
More