... .SHDSL.bis, ATM ALL5, NAT, PPPoA, PPPoE, RIP, G.shdsl Modem 2 and 4 wires G.shdsl ModemFibridge G.SHDSL is ... to install and operate. Working preferences by DIP switch and software control.AC110~240V or DC48V power supply optional.3.Specification3 ... : 0~95%, no condensing 2 and 4 wires G.shdsl Modem