Complex sentence: The "RJ45" physical connector is standardized as the IEC 60603-7 8P8C modular connector with different "categories" of performance, with all eight conductors present but 8P8C is commonly known as RJ45.
Split into simpler sentences: The "RJ45" physical connector is standardized as the IEC 60603-7 8P8C modular connector with different "categories" of performance. With all eight conductors present 8P8C is commonly known as RJ45.