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Causes of lightning strikes on PoE switches
PoE powering is often used indoors because outdoor cabling requires unshielded network cables and causes PoE switches to be damaged by lightning strikes. What is the explanation? What can I do to avoid it? Can the lightning enter through the indoor network cabling? Or maybe through some network device not connected to UPS?Today we had a massive thunderstorm coming through and one lightning strike must have hit my house or at least very close by. Lightning and thunder was without any delay and extremely loud. Right after the strike all my security cams went offline. They are all hooked up to that switch, and powered. A switch supplies power to APs using outdoor cabling. Feb 28 2020 14:35:50 hwPoePowerOff_active (l):CID=0x0-alarmID=0x08012266; PD powered off. But with great convenience comes vulnerability. Power surges, whether caused by lightning strikes, electrical overload, faulty wiring. This report considers the implementation of lightning surge protection for Power over Ethernet (PoE) Powered Device (PD) applications. The need for implementing such protection will normally depend on the environment in which the PD is intended to operate and the inherent isolation properties of. Thunderstorms Knock Out POE : r/Ubiquiti This is a place to discuss all things Ubiquiti, especially UniFi. My power (lights etc) isn't flickering. -
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How to lay a 12-core fiber optic cable
This guide will walk you through the step - by - step process of installing 12 strand fiber optic cable, covering pre - installation preparation, the installation steps themselves, post - installation testing, and maintenance tips. Discover the exact steps, adhere to stringent safety. Innerduct provides a good way to identify fiber optic cable and protect it from damage, generally a result of someone cutting it by mistake! You can get the innerduct with pulling tape already installed. Create a detailed, written plan of installation. When laying loops of fiber on a surface during a pull, use “figure-8” loops to. -
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