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🔌 RJ45 Cable Wiring Types Explained – Crossover vs Straight-Through 🔥
Confused between T-568A and T-568B? This visual guide breaks down the three main RJ45 wiring types every networking student and engineer should know!
📌 1️⃣ Crossover Cable (Type A to B)
➡️ One end T-568A
➡️ Other end T-568B
✔ Used to connect similar devices (Switch-to-Switch, PC-to-PC – older networks)
📌 2️⃣ Straight-Through Cable (Type A to A)
➡️ Both ends T-568A
✔ Commonly used for PC-to-Switch connections
📌 3️⃣ Straight-Through Cable (Type B to B)
➡️ Both ends T-568B
✔ Most widely used standard in modern networks
💡 Why This Matters?
Understanding cable types is fundamental for:
✔ CCNA Exam Preparation
✔ Lab Setup & Troubleshooting
✔ Real-World Network Deployments
✔ Avoiding Layer 1 issues
Whether you're a beginner or brushing up for certifications, mastering RJ45 wiring is a must!
👉 Save this post for your labs and share it with someone preparing for CCNA!

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