1、Gigabit ethernet media converters with external power supply, designed to transmit and receive 10/100/1000 Mbps data on fiber optics. 2、The electrical interface will automatically negotiate at a speed of 100 Mbps ethernet or 1000 Mbps without any adjustment. 3、The optical interface operates at an ethernet speed of 1000 Mbps. Both are environmentally hardened to operate at extreme temperatures. 4、Support switch between 1000Base-T and 1000Base-SX / LX. 5、With 1 x 1.25 Gbps full duplex fiber port and 1 x 1000 M ethernet port. 6、Each port has the complete LED indicator light for installation, commissioning and maintenance, and allows you to confirm the operational status of the equipment. 7、Support large 9K package, practical to use. 8、Supports direct forwarding mode, which supports less time delay 9、Low power consumption, only 1.5W under full load conditions 10、Compatible with isolation protection function, good data security 11、Compact size, suitable for installation in various places 12、Low-energy auto-negotiation chips to ensure very durable and stable operation Condition: 100% Brand New Item Type: Fiber Optic Converter Material: Metal Function: Transmission network signal with optical fiber Maximum Transmission Distance: Approx. 10km/6.21mi Interface: 1 Optical Fiber Port, 1 RJ45, 1 DC5V Port Transmission Rate: 1000mpbs Operating Temperature: 0-80 ℃ 1 x Receiver 1 x Transmitter 1 x Instruction 2 x Power Supply