This document introduces the products of Shenzhen Jixiangtengda Technology Co., Ltd., a registered trademark, including the inventory list, front and rear panel instructions, indicator light instructions, and installation methods. The product is a rack-mounted full-gigabit Ethernet switch with 8/16/24 10/100/1000Mbps adaptive RJ45 ports and supports parallel/cross-twisted pair automatic identification. By using this product, it can solve the bottleneck of data transmission in internet cafes or enterprise networks and improve the transmission rate.