... 100Base-T Ethernet signal to single or multi mode fiber,transmission rate from 64Kbps to 2,048Kbps. PRODUCT CHARACTER ... remote loop(REM).(4) Ethernet interface 10M/100M, full half duplex self adapt, support VLAN, Ethernet RJ45 port ... in master clock status.(7)E1 fiber modem used pair with Ethernet fiber modem.(8)Two types:Standalone, desktop ... 2Km multi-mode, 40Km/60Km/120Km single mode. Optical Fiber Modem