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Fast Ethernet Switch 10/100Base-Tx to 100Base-FX Fiber Switch The Fast Ethernet Switch is an Ethernet Fiber Switch that is specially designed for monitor network. It has 4 10/100Mbps Ethernet ports and 2 155Mbps fiber ports. It defaults RTL8305NB chips to ensure low power consumption and high stability. It extends the transmission distance of a network from 100m to 120km via copper cables. It can extend the transmission distance; there are also many other benefits such as as isolation protection, good security data, working stability and easy maintenance. Play Features: -Support The switch inter 10/100Base-TX and 100Base-FX 2.2x155gbps full-duplex fiber ports and 4x100M Ethernet ports with auto-negotiation function -Support 100m speed rate, MDI/MDIX and half/full-duplex with auto-negotiation function -Each Port has the complete LED Indicator light -Support Single fiber mode,dual fiber mode single,multi-mode dual fiber and SFP slot -Support Ieee802.1d Spanning Tree -Support High performance QoS function on each port -5V Input voltage support -Support Ieee 802.3x flow control and back pressure control -Require No configuration and will instantly operate as fast as you power it up -Low Power consumption chip with heat sink built in to ensure longtime efficient operation