... multiplexer CE, RoHS certification three years warranty 4/8/16E1 fiber 1+1 PDH MultiplexerTechnical Parameters ... indicator: LINK, FDX, BTOptical indicator: NOP, LOFError code indicator: IE-3, IE-6 to indicates more ... 5WTemperature: 0~50°CHumidity: 95%, No condensation Code HDB3 Interface Rate 2.048Mbp/s±50ppm Interface ... up to 8E1 channels 1 optional port and 4*10/100Mbps Ethernet channel .Fiber Port Bit ...