Linux Network Basics-physical layer notes

I. twisted pair wires are divided into straight wires, cross wires, and reverse wires. Different devices are connected through a direct connection.

I. twisted pair wires are divided into straight wires, cross wires, and reverse wires.

Different devices are connected through a direct connection. The full anti-line is used to configure the settings.

The two ends of the straight-through line have the opposite line order, and the position of the receiving and transmitting signal lines is the opposite. The crossover line is opposite. Both ends of the full anti-line are the same.

2. the distribution frame is used to connect users and switches, so that they can be more flexible in future changes.