The Advantech EKI-7712G-4FI-AU is an 8G + 4SFP port managed Ethernet switch with four 10/100/1000Base-TX RJ45 ports and four SFP slots. This switch features Layer 2 switching with multiple secure management functions, including VLAN, Quality of Service (QoS), and Spanning Tree Protocol (STP). It also includes Layer 3 routing features and offers a comprehensive set of networking features such as DHCP, SNMP, and Link Aggregation. The switch is also IEEE 802.3af compliant for Power over Ethernet (PoE) applications, and its front-facing LED indicators provide an at-a-glance reference of the current status of the device. This switch is perfect for use in industrial or enterprise networking applications and offers reliability, flexibility, and performance for any network need.