Only with an optimal specification, along with compliance & interoperability tests, are suppliers able to develop and support the fast-growing automotive Ethernet market. To facilitate the development of compatible Open Pair BroadR-Reach (OAPR) products by semiconductor and automotive system manufacturers. TC1 is responsible for reviewing and clarifying the specification for all members. In addition, TC1 coordinates the effort to define interoperability and compliance test methods which include EMC-related issues. Testing will be performed in test houses, independent from the OPEN Alliance SIG.