... as PDH, SDH, micro-wave, etc 4E1 to Ethernet Protocol ConverterE1-10/100Base-TX Protocol Converter is the equipment that extends ... Ethernet through telecom- line( E1 or network carrying E1, such as PDH, SDH, micro ... can realize the network management of local and terminal equipment. Technical ParameterSystem Parameter Technical Index PortElectric:RJ45 E1 : ...