An Ethernet cable in which the transmit line connects ... connect hubs and switches to each other to maintain the built-in crossover that would have been reversed if connected with a regular ...

The image above is not of a full male-to-male cable, only the ground is connected, and the generator is not running. We all know Ethernet has the crossover cable, cars have jumper cables ...

But Ethernet didn’t start with twisted pair cable. [Mark] and [Ben] at The Serial Port YouTube channel are taking a deep dive into the twisted history of Ethernet on twisted pair wiring.