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The port type and application of the switch
Release time:
2025-06-09
Switch port types include:
switch port types include:
- RJ-45: support twisted pair, suitable for short-distance transmission;
- SFP/QSFP: support optical fiber, transmission distance up to tens of kilometers;
- Combo port: photoelectric multiplexing, flexible switching of transmission medium;
- PoE port: Simplify cabling by supplying power to devices via network cables.
For example, switches with SFP ports are often used in campus networks to connect different buildings through optical fibers. The surveillance network widely uses PoE switches to directly supply power to the cameras.
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