The PHOENIX CONTACT part 2891007 is a reliable and efficient wide-temperature Ethernet switch designed for industrial environments. It features 7 TP RJ45 ports and 1 FO port, allowing for seamless connectivity across your network. With a data transmission speed of 100 Mbps full duplex in ST format, this switch ensures fast and stable connections. It also has an automatic detection feature that recognizes the data transmission speed of 10/100 Mbps for RJ45 ports, making it adaptable to various devices. The autocrossing function eliminates the need for crossover cables, simplifying installation and maintenance. Additionally, this switch is equipped with QoS priority message reading capabilities, ensuring efficient data transmission for prioritized information. With its ability to accept security frames, it provides enhanced network security. Whether the environment is extreme or demanding, this wide-temperature Ethernet switch from PHOENIX CONTACT is a reliable choice for industrial applications.