# Diagrams

##### OSI Model

[![osi_layer.jpeg](https://osslab.tw/uploads/images/gallery/2023-12/scaled-1680-/osi-layer.jpeg)](https://osslab.tw/uploads/images/gallery/2023-12/osi-layer.jpeg)

[![osi-layers.jpg](https://osslab.tw/uploads/images/gallery/2023-12/scaled-1680-/osi-layers.jpg)](https://osslab.tw/uploads/images/gallery/2023-12/osi-layers.jpg)

[![osi-model-cheatsheet.jpeg](https://osslab.tw/uploads/images/gallery/2023-12/scaled-1680-/osi-model-cheatsheet.jpeg)](https://osslab.tw/uploads/images/gallery/2023-12/osi-model-cheatsheet.jpeg)

[![osi-applications.jpeg](https://osslab.tw/uploads/images/gallery/2023-12/scaled-1680-/osi-applications.jpeg)](https://osslab.tw/uploads/images/gallery/2023-12/osi-applications.jpeg)

##### Power over Ethernet (PoE)

[![PoE.jpg](https://osslab.tw/uploads/images/gallery/2024-10/scaled-1680-/poe.jpg)](https://osslab.tw/uploads/images/gallery/2024-10/poe.jpg)

##### MAC Address

[![mac_addr.jpg](https://osslab.tw/uploads/images/gallery/2025-04/scaled-1680-/mac-addr.jpg)](https://osslab.tw/uploads/images/gallery/2025-04/mac-addr.jpg)

##### Ethernet Cable Types

[![ethernet_cable_types.jpg](https://osslab.tw/uploads/images/gallery/2025-04/scaled-1680-/ethernet-cable-types.jpg)](https://osslab.tw/uploads/images/gallery/2025-04/ethernet-cable-types.jpg)