InMax P3626 4G+24Ports Gigabit PoE Managed Industrial Ethernet Switches Man Features 2x100BaseFX/1000BaseX (SFP slots) for uplink, 24 x 10/100M BaseTX (PSE+Fast Ethernet) ports downlink Provide up to 15.4watts per PSE port for remote devices Support Proprietary Protocol "Max Ring" (recovery time < 20ms), STP,and RSTP for network redundancy Support VLAN, QinQ and QoS IGMPv1/v2, GVRP, SNMPv1/v2c/v3, DHCP Client, Easy network management through web browser,CLI,Telnet/serial console,Windows utility and SNMP Industrial-grade design with -40 to +75°C operating temperature and redundant power inputs Metal,IP40 protection