The TP-POE-18G Gigabit Compatible Power Over Ethernet Power Source/Inserter offered by Tycon Power Systems are quality power sources for years of reliable operation even in the toughest conditions. They accept data-in to a shielded RJ45 Jack and provide data-out and power on the shielded RJ45 output jack. They work by supplying power to the remote device on the unused Ethernet pins 4,5(V+) and 7,8(V-). The Ethernet spec supports distances up to 100m (328 feet).The POE inserters have built in Ethernet surge protection which eliminates the need for a standalone Ethernet surge protector.The TP-POE-18 are autoranging so that they accept AC inputs from 90VAC to 264VAC (50/60 Hz) and they supply regulated 18VDC at the output. They have various protections for surge, short circuit and overload.Output is 18 VDC with load regulation within 5%.Features:- Remotely Power Equipment thru CAT5 Cable up to 100m- Autoranging Switching Power Supply- Short Circuit, Over Current and Over Voltage Protection- High Temperature Operation- Compact size- Floor / Desktop / Wall Mount- CE/FCC/UL/CB Approved