Item Type: SFP Fiber Switch Material: Metal Supported Protocols: IEEE 802.3i IEEE 802.3u IEEE 802.3ab IEEE 802.3z SFP Ports: 4 RJ45 Ports: 4 Data Rate: 100Mbps for SFP, 10 or 100Mbps for RJ451,Self Adaptive RJ45 Ports: This SFP fiber switch provides multiple SFP optical ports and 10 or 100M adaptive RJ45 network ports. 2,Lossless Transmission: This Ethernet optical switch supports lossless and efficient transmission of multiple protocols. Full or half duplex self adaptive. Support IEEE802.3x flow control, back pressure flow control. 3,LED Indicator: This Ethernet fast switch is designed with LED indicator to check the status of TX, FX LINK or ACT, POWER, FDX easily. Complies with IEEE 802.3i IEEE 802.3u IEEE 802.3ab IEEE 802.3z 4,Plug and Play: This Ethernet switch is plug and play, support auto flip of MDI or MDI X ports, support jumbo frame size 9K bytes, support the operating temperature range from 0℃ to 60℃. 5,120km Extension: This SFP Ethernet switch can extend the fiber distance from 0 to 120km when used with different types of SFP module. Support media access control address self learning and QoS, ensuring efficient network operation.1 x SFP Fiber Switch 1 x Power Adapter 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.