Ethernet Cabling
Ethernet cabling is an important discussion, especially if you are planning on taking the Cisco exams. You need to really understand the following three types of cables:
- Straight-through cable
- Crossover cable
- Rolled cable
I will cover each in the following sections.
Straight-Through Cable
The straight-through cable is used to connect the following:
- Host to switch or hub
- Router to switch or hub
Four wires are used in straight-through cable to connect Ethernet devices. It is relatively simple to create this type; Figure 1.22 shows the four wires used in a straight-through Ethernet cable.
FIGURE 1.22 Straight-through Ethernet cable
Notice that only pins 1, 2, 3, and 6 are used. Just connect 1 to 1, 2 to 2, 3 to 3, and 6 to 6, ...
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