Supply Of Intelligent Optical Multiplexer Supporting Four E1 And Four Eth Ports Of 10/100 Mbps And F Our Asynchronous Ports, One Snmp Port And Sc Connector, Distance Support Is 40 Kms, Tx And Rx On Single M Ode Fiber Supporting 1+1 Protection Feature, Unit Supports Ac And Dc From A Single Socket Triple Power Ac 230V Ac, Dc 48V Dc And 110V Dc, Auto Sensing. E1 Optical/Team Engg/Fabio/Netsoft/Lantana Or Equivalent.