The scenario
A network technician needs a visual reference for how Ethernet RJ45 pins connect in a straight-through cable between a NIC and a switch.
What is in this drawing
Read the decisions behind it.
01
Modeled pins as signal flows between NIC and Switch blocks
02
Used directed connections to show TX from NIC to Switch and RX from Switch to NIC
03
Represented crossover of transmit/receive pairs in the wiring
When teaching network fundamentals, troubleshooting cable pinouts, or planning cable installations.
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