A discussion about Ethernet cabling is an important one, especially if you are planning on taking the Cisco exams. You need to really understand the following three types of cables:
We will look at each in the following sections.
The straight-through cable is used to connect the following devices:
Four wires are used in straight-through cable to connect Ethernet devices. It is relatively simple to create this type; Figure 2-5 shows the four wires used in a straight-through Ethernet cable.
Notice that only pins 1, 2, 3, and 6 are used. Just connect 1 to 1, 2 ...