Features: Transparent to data encoding/compatible with major data protocols LED Indicators 10/100 Mbps Ethernet 10/100 BASE-T/TX electrical port 100 BASE-FX optical port IEEE 802.3 compliant Auto-Negotiation for 10 Mbps or 100 Mbps, full duplex or half duplex data on electrical port(s). Optical port supports 100 Mbps full duplex data Distances up to: 3 km (2 mi) Multimode 20 km (12 mi) Single Mode ST or SC optical connectors 1 or 2 fiber design AC/DC powered Plug-and-play design ensures ease of installation and no electrical or optical adjustments are ever required. Voltage transient protection on all power and signal input/output lines provides protection from power surges and other voltage transient events. ComFit standard form factor is interchangeable between stand-alone or rack mount use. Electric Port Supports Auto-negotiation for Full Duplex or Half Duplex Data Throughput Standard ComFit models are hot-swappable.