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How to plug in the network cable

2025-11-02 05:30:28 science and technology

How to plug in the network cable: 10 days of hot topics and practical guide

Recently, with the popularity of remote working and online education, network connection issues have become the focus of heated discussions across the Internet. This article will combine the hot content of the past 10 days to give you a detailed answer to the question "How to plug in the network cable", and provide structured data to help you quickly grasp the key points of the operation.

1. Inventory of popular Internet topics across the Internet (last 10 days)

How to plug in the network cable

Rankinghot topicsNumber of discussions (10,000)main focus
1Illustration of network cable insertion method32.5Home network cabling
2Loose network cable interface repair18.7Network connection stability
3Gigabit Network Upgrade Guide15.2Network cable specification selection
4Differences between router network cable sockets12.9WAN/LAN port identification
5Network cable crystal head production9.4DIY network cabling

2. Standard steps for network cable plugging

1.Confirm network cable type: Currently, the mainstream uses eight-core network cables with RJ-45 interfaces, which are divided into straight-through cables and crossover cables.

2.Identify device interface:

Device typeInterface IDThings to note
routerWAN port (blue) LAN port (yellow)External network cable to WAN port
light catNetwork port 1 (Gigabit)Prioritize the use of Gigabit ports
computerRJ-45 interfaceNote that the dust cover is open

3.Correct plugging method:

• Turn the metal piece of the crystal head upwards, and when you hear a "click" sound, it means it is firmly inserted.
• The maximum bending radius of the network cable is not less than 4 times the wire diameter
• Avoid running parallel lines with power lines and keep the distance at least 20cm.

3. Solutions to common problems

Problem phenomenonPossible reasonsSolution
The network icon shows a red cross1. The network cable is not plugged in tightly
2. Interface damaged		1. Re-plug
2. Replace the network cable and test
Connection speed is only 100Mbps1. Use Category 5 cable
2. Poor contact		1. Replace the Category 5e/Category 6 cable
2. Check the crystal head
Frequent disconnections1. The network cable is too long
2. Electromagnetic interference		1. Control within 100 meters
2. Use shielded wire

4. The latest network technology trends

Based on the technical discussions in the past 10 days, there are three development directions worthy of attention:

1.2.5G/5G Ethernet: New network cable sockets are becoming more popular, requiring the use of Cat6A or above wires
2.PoE++ technology: Transmits up to 90W power through network cable, requires special plug
3.Optical fiber composite network cable: New interface for hybrid transmission of copper cable and optical fiber signals

5. Safety precautions

• Turn off the power of the device before plugging or unplugging the network cable
• Avoid operating external network lines during thunderstorms
• Regularly check the oxidation of the network cable interface
• It is recommended that important equipment use network cable connectors with locks

Through the above structured guide, you should have mastered the correct method of plugging in network cables. If you still have questions, you can refer to the detailed illustrated tutorials in recent popular online forums, or consult a professional network engineer. A good physical connection is the foundation of a high-speed network. Correctly plugging network cables can make your network experience smoother.

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