... lineEasy to install and operate. Working preferences by DIP switch and software control.AC110~240V or DC48V power supply optional ... hyper-terminal to management3.6.PowerStandalone Products:AC/DC optionalAC: 220V, 50Hz±5%, Waveform Distorting Rate<5%DC: -40V~ -57VPower ... N (Part Number):F11-G13 One pair wire, 10/100Mbps Ethernet Interface, StandaloneF11-G15 One pair wire, E1 Interface, StandaloneF11- ...