... line( E1 or network carrying E1, such as PDH, SDH, micro-wave, etc 4E1 to Ethernet Protocol ConverterE1-10/100Base-TX Protocol ... through telecom- line( E1 or network carrying E1, such as PDH, SDH, micro-wave, etc). It is also called Network Bridge ... , UL, CE, TUV, CSAConsumptionCard type (full-loaded)≤ 60WStandalone type≤ 5W. 4E1 to Ethernet Protocol Converter