DW-OROB is a universal, four output two output CATV network optical receiver, this machine adopts imported PHILIPS or MOTOROLA module for amplifying, optimized circuit design, so that the machine can achieve high performance index, RF attenuation and isostatic adjustment using the adjustable or fixed attenuation insert, machine reserved data communication interface, convenient and network management responder connection, access network management system, digital display parameters, so that the engineering debugging more convenient, is the mainstream model of constructing CATV network. The cast aluminum shell, high reliability of switch power supply, strict anti-lightning system, to ensure that the equipment can work stably for a long time in the wild environment.