In the past, it was widely used to connect hubs and switches to each other to maintain the built-in crossover that would have been reversed if connected with a regular cable. Ports in modern hubs ...

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 ...

He said he knows cable median barriers are intended to reduce or eliminate crossover crashes, when one vehicle leaves the highway, crosses the median and collides with another — often with fatal ...