4/8/16E1 Optical 1+1 PDH multiplexer CE, RoHS certification three years warranty 4/8/16E1 fiber 1+1 PDH MultiplexerTechnical Parameters E14/8/16E1 availableConnector: both offer BNC and RJ45 for E1.EthernetEthernet port number: 1Ethernet feature: auto adapt 10/100M, full/half duplexMDI/MDIXOpticalDefault with dual fiber, single mode, FC, 1310nm, 40kmOptical module option according to the ...