The Value and Necessity of External Surge Protection in PoE Applications
PoE network engineers should deploy high-quality external surge protection devices (SPDs) to help ensure safe, secure network operation, reduce downtime, minimize site visits, and ultimately, decrease overall equipment costs. Integrating surge protection into radios, power injectors, mid-spans, and other critical power-over-Ethernet (PoE) devices, however, is an example of combining two devices that should remain separate. Unfortunately, many providers of this equipment promote their built-in surge protection as an added benefit rather than the potential weak link it truly is.
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