The item number is 1201088453, and it belongs to a cable assembly that connects devices over Ethernet. Specifically, it's designed for use in a Computer Science (CSE) curriculum, M12 series, with an interface type of ETH (Ethernet), 4-pair DC, MA (Master Active) connector, STR (Straight) configuration, RJ45 (Registered Jack 45) connector, and a WS (Wrapped) cable assembly.