Supply Of Intelligent Optical Multiplexer Supporting Four E1 And Four Eth Ports Of 10/100 Mbps And Four Asynchronous Ports, One Snmp Port And Sc Connector, Distance Support Is 40 Kms., Tx And Rx On Single Mode Fiber (Supporting 11 Protection Feature) Unit Supports Ac And Dc From A Single Socket Triple Power Ac 230 V Ac Dc 48 V Dc And 110 V Dc Auto Sensing