Upgrade your network with this high-performance Ethernet fiber switch! This switch supports full-duplex, half-duplex auto-negotiation, and flow control. It supports 12K effective MAC address control, with automatic MAC address learning and aging. Features broadcast storm protection and complies with IEEE802.3 and IEEE802.3u standards; full-duplex complies with IEEE802.3x standards. Supports IEEE802.1p priority protocol mode, secondary static port priority mode, and ToS priority mode. Supports switch system software upgrades, configuration file saving and restoring, and physical and logical isolation. Item Type: Ethernet Fiber Switch Material: Aluminum Alloy + Circuit Board Model: TBC-MC3414ES20A Standard: IEEE802.3 10BASE-T Ethernet IEEE802.3u 100BASE-TX Fast Ethernet IEEE802.3x Protocol: CSMA/CD Data Transfer Rate: Ethernet: 10Mbps (half-duplex), 20Mbps (full-duplex) Fast Ethernet: 100Mbps (half-duplex), 200Mbps (full-duplex) Includes: 1 x Ethernet Fiber Switch 1 x Connector 1 x User Manual Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!