... Detailed Product Description SNMP Maneged 1+1 Optic Port 8E1+100M PDH Multiplexer1.OverviewPDH Multiplexer can multiplex 4/8/16E1,Ethernet (2*10 ... , SM1310nm, Standalone, 220VAC power supplyF9-120-04F23A 4E1 port Multiplexer, 75&120ohm both OK, 2-port 10/100Mbps line-speed ... PC, SM1310nm, Standalone, 220VAC power supplyF9-120-04FD 4E1 port Multiplexer, 75&120ohm both OK, Optical port: distance:40km, FC/ ...