> For the complete documentation index, see [llms.txt](https://phantanloc.gitbook.io/locpt_wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://phantanloc.gitbook.io/locpt_wiki/homepage/2.it-cntt/networking-ports-and-interfaces-explained.md).

# Networking Ports & Interfaces Explained

Networking Ports & Interfaces Explained

🔹 WAN Interface – Connects a router to the internet or external networks.

🔹 LAN Interface – Connects local devices like PCs and printers within a network.

🔹 Serial Port – Used for long-distance data transmission between networking devices.

🔹 FastEthernet – Supports speeds up to 100 Mbps, commonly used in older networks.

🔹 Console Port – Provides direct CLI access for router/switch configuration.

🔹 AUX Port – Alternative remote management port, often used with modems.

🔹 Power Switch – Turns network devices on or off.

🔹 Power Card – Converts power for routers and switches.

<figure><img src="https://media.licdn.com/dms/image/v2/D4D22AQGEe0OFVoTSCg/feedshare-shrink_1280/B4DZWKwQRUG8Aw-/0/1741789664095?e=1745452800&#x26;v=beta&#x26;t=TrfyPkAjqZ_MktAADBQ7sJ9dP3Lbj1NUbGbn-3pZCW4" alt=""><figcaption></figcaption></figure>

hashtag#Networking hashtag#IT hashtag#Router hashtag#CCNA hashtag#MCSE
