Introduction JHA-GS216 series is series is a 10/100/1000M self-adaptive Fast Ethernet fiber switch, with 2 1000M SFP ports and 16 10/100/1000Base-TX self-adaptive Ethernet RJ45 interfaces. The product design conforms to the Ethernet standard, adds lightning protection and anti-static protection measures, and has a wide range of operating temperature from -20°C to 70°C, with stable and reliable performance. The device can be widely used in various broadband data transmission fields,such as smart buildings, smart cities, smart communities, smart transportation, telecommunications, security, financial securities, customs, shipping, electricity, water conservancy and oil fields. Features * 16 10/100/1000Mbps auto-negotiation RJ45 ports + 2 1000M SFP optical ports. * Automatic identification of parallel/crossover lines, simplifying network erection and maintenance. * Gigabit non-blocking wire-speed forwarding to ensure smooth network applications. * Full-duplex flow control and half-duplex back pressure control to prevent frame loss caused by port blocking. * Using store and forward mode, integrated 8K MAC address table. * Support 9K jumbo frames to improve the forwarding rate of large files. * Using alloy steel metal material with exquisite appearance, sturdy and durable, strong heat dissipation performance. * Support network surveillance camera access, the picture is clear and not stuck. Specification Fixed Port 16*10/100/1000Base TX+2*1000Base X SFP Function switch 1 N_standard mode+V_port isolation+C_flow control mode Wavelength 850nm/1310nm/1550nm Transmission Distance Cat5 100m Multimode, Single/Dual-fiber 2Km Single Mode, Single-fiber 20/40/60/80/100Km Single Mode, Dual-fiber 20/40/60/80/100/120Km Ethernet Port 10/100/1000M RJ45 Ports, Connection STP / UTP Cat5/Cat5e Cooper Cable Fiber Port Multimode, Dual-fiber SC/ST/FC (Diameter 50/125, 62.5 / 125μm) Single Mode, Single Fiber, SC/ST/FC (Diameter 9/125μm ) Single Mode, Dual-fiber SC/FC (diameter 9/125μm ) Network protocol IEEE 802.3 Ethernet Media Access Control Protocol IEEE 802.3i 10BASE-T Ethernet IEEE 802.3u 100BASE-TX Fast Ethernet IEEE 802.3ab 1000BASE-T Gigabit Ethernet IEEE 802.3z 1000BASE-X Gigabit Fiber Ethernet IEEE 802.3x flow control IEEE 802.1q VLAN Bridge Operation Exchange Attribute Conversion Method: Media conversion, store and forward / straight in MAC Add: 8 K Backplane bandwidth:56G Full duplex state: flow control, half-duplex: backpressure mode Store and Forward: 9.6us, Straight In: 0.9us Vlan:Support Network Topology Ring topology:Not Support Star topology:Support Bus topology:Support Tree Topology:Support LED Indicator PWR:Power Supply 1-16: Ethernet port indicator 17-18: Fiber port indicator Input Voltage DC12V5A Power consumption: ≤20W Working Environment Operating Temperature: -20~70℃ Storage Temperature: -40~70℃ Storage Humidity: 5% to 90% non-condensing Dimension 220*125*38mm ( L * W * H ) Weight 1.5KG Dimension Order Information Model No. Description of Goods JHA-G216 2 1000Base-FX and 16 10/100/1000Base-T(X) RJ45 Port,Multi-mode, Dual Fiber, 550m, SC Connector JHA-G216-20 2 1000Base-FX and 16 10/100/1000Base-T(X) RJ45 Port,Single mode, Dual Fiber, 20km, SC Connector JHA-GS216W 2 1000Base-FX and 16 10/100/1000Base-T(X) RJ45 Port,Single mode, Single Fiber, 20km, SC Connector JHA-GS216 2 1000Base-X SFP Slot and 16 10/100/1000Base-T(X) RJ45 Port Fiber Connector: SC/ST/FC/LC(SFP Slot), Single Mode/Multimode, Dual Fiber/Single Fiber, 550m/20Km/40Km/60Km/80Km/100Km/120Km is Optional.