# Image sources

Free-to-use documentary photographs used to explain balanced pairs, network routing, dense cabling and noise investigation. They do not represent Super Smile test results or a guaranteed channel class.

- `hero-server-engineer.jpg` — Pexels free photo, patch-panel and network-cabling context.
- `pair-ports.jpg` — Pexels free photo, paired communication interfaces.
- `network-path.jpg` — Pexels free photo, suspended Ethernet route.
- `dense-cabling.jpg` — Pexels free photo, dense installed cabling.
- `field-routing.jpg` — Pexels free photo, equipment-side cable routing.
- `noise-diagnosis.jpg` — Pexels free photo, electronic signal diagnosis context.

Pexels photographs are provided under the Pexels license. Connector geometry and installed equipment shown are contextual and are not a product specification.