Convert and extend a 10/100/1000 Mbps Ethernet signal to Gigabit single-mode LC fiber reaching up to 20 km (12.4 mi) - Compatible with 1000BASE-T (IEEE 802.3ab) and 1000BASE-LX (IEEE 802.3z) - Supports full/half duplex 9K jumbo frames auto-negotiation and auto MDI/MDI-X - DIP switch enables Link Fault Passthrough (LFP) with LLCF/LLR - All-metal chassis and compact size fits - Built-in LED indicators plug-and-play and TAA compliant - Includes a 5V DC power adapter for consistent operation