The automated test rig on the assembly line continues to monitor and control multiple sensors and actuators in real time. The Hirschmann industrial workgroup switch ensures reliable data transmission between the central control system and the distributed I/O modules, enabling seamless coordination of the test process. In the plant engineering for the automotive industry, this switch is integrated into the test and diagnostic equipment used to validate component performance under simulated conditions. It supports high-speed communication between the test rig’s PLC and peripheral devices, ensuring accurate data logging and real-time feedback. The switch’s dual media capability allows flexible network expansion, accommodating both fiber and copper connections within the plant’s infrastructure. It plays a critical role in maintaining the integrity of the test environment, supporting the precise execution of quality assurance procedures. By providing stable and scalable connectivity, the switch enhances the efficiency and reliability of the test process, ensuring compliance with stringent automotive standards.