The SOC5000-50 integrated access multiplexing device is a comprehensive access device developed based on the diversified access methods and business requirements of current customers. It is mainly used for various business access, multiplexing, and transmission in voice and data communication networks. The device adopts a 19 inch 5U standard chassis and a 19 slot plug-in card structure design. Integrating multiple line interfaces such as PDH/SDH/E1/V5, supporting high-capacity business access and hybrid technology for various business cards such as FXO/FXS/DSL/E1/data disks, fully demonstrating its flexibility and compatibility, providing customers with a more cost-effective transmission access solution on the original transmission architecture, especially suitable for comprehensive business access in the "optical in copper out" project. This series of products can also provide multi-channel protection. When the device selects E1 channel transmission, any E1 can transmit 128 voice channels, saving E1 resources; It can also function as a "1+7 channel protection" and maintain smooth communication during switching; Simultaneously serving the functions of confidentiality and line detection. It is widely used in various operators, broadcasting and television networks, public security, military (confidential), power, railway, highway, transportation, finance, government, and private networks of enterprises and institutions with branch offices.