The ET91000SM402 1000 Mbps Gigabit Single Mode Fiber Media Converter SC (40 km) lets you extend a Gigabit Ethernet network over single mode fiber by up to 40km (25 miles). A cost-effective solution for connecting a Gigabit Ethernet (1000Base-T) network to remote network segments over a (1000Base-LX/SX) fiber backbone, the GbE to SM fiber converter supports full Gigabit speeds for ideal network performance and scalability. Designed to offer a durable and convenient Ethernet to fiber solution, the Ethernet to SC Fiber converter features an all-steel chassis, and a simple plug-and-play installation with minimal configuration required. For added versatility, this fiber media converter supports standalone operation, or installation into the 20 Slot, 2U Rackmount Chassis (ETCHS2U). Backed by a StarTech.com 2-year warranty and free lifetime technical support. More from the Manufacturer

• Supports twisted pair cables for durability and improved signal transfer while ensuring smooth and seamless data transfer
• Attach multiple devices together or expand the number of devices connected to your existing network by using 2 transceiver/media converter
• With 10/100/1000Base-T technology get up to 1000Mbps data transfer rate over twisted pair cable
• Rack mounting enables you to organize wires & secure cables for professional installation