Antaira LMX-2804G-4XS 28-Port Industrial Managed Gigabit Ethernet Switch with 24*10/100/1000T Gigabit Ethernet + 4*1G/2.5G/10G S

Support 24*10/100/1000BASE-T Gigabit Ethernet PortsSupport 4*1G/2.5G/10G SFP+ SlotsITU-T G.8032 Ethernet Ring Protection Switch (ERPS) ProtocolIEEE 802.1D STP (Spanning Tree Protocol), IEEE 802.1w RSTP (Rapid Spanning Tree Protocol), IEEE 802.1s MSTP (Multiple Spanning Tree Protocol)Static Routes, ARPSNMPv1/v2c/v3, RMON, Modbus TCP, and HTTP/HTTPSRADIUS, TACACS+, 802.1X AuthenticationACL, IP Source GuardVLAN, QoS, and, SNMPv3IP30 Rugged Metal Case DesignRedundant Power InputFanless OperationPower Reverse Polarity ProtectionHigh EFT and ESD ProtectionOperating Temperature: -10°C to 65°C5-Year Warranty