The TP-POE-HP-48G Gigabit High Power Over Ethernet Power Sources offered by Tycon Power Systems are quality power sources for years of reliable operation even in the toughest conditions.They accept Gigabit data-in to a shielded RJ45 Jack and provide Gigabit 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 TP-POE-HP are autoranging so that they accept AC inputs from 90VAC to 264VAC (50/60 Hz) and they supply 5% regulated 48V DC voltage at 50W on the output. They have various protections for surge, short circuit and overload.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