How to wire ethernet cables how to wire your own ethernet cables and connectors what you need: a straight through ethernet cable, which is used to connect to a hub or switch, and a crossover ethernet cable used to operate in a peer-to-peer fashion without a hub/switch align the colored wires according to the wiring diagrams above. Lan wire connection diagram. The following picture shows, the wiring diagram of the two standards when you are doing the straight-through wiring, the cable pinout on the two ends of the cat5e cable should be the same however, for the crossover wiring method, the rj45 pinouts on each end of the cat5e are different.
lan wire connection diagram
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