The EKI-7712G-4FPI-AE with Ethernet Modules 8G+4SFP with POE wide temp manufactured by Advantech is an industrial 8-port Gigabit Ethernet managed switch with 4 SFP ports that include Power over Ethernet (PoE) and wide temperature support. It offers a range of advanced features such as VLAN, QoS, port trunking/link aggregation, IGMP, and RSTP. It also provides a redundant power design, power budget detection, and PoE management. This device is designed for deployment in harsh environments, such as railway, transportation, and manufacturing.