Tag Archives: network switches

PoE Troubleshooting: The Common PoE Errors and Solutions

In a basic PoE power supply system, the major components are the power sourcing equipment (PSE), the powered device (PD), and the PoE cables. When a problem occurs with PoE, in most cases, the error symptom can be simply shown … Continue reading

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Top 3 Cisco Catalyst Switches & Compatible SFP+ Options

Cisco offers a variety of switches specifically designed for different functions. Catalyst switch family is one of the most successful product lines of Cisco switches, representing one of the most popular LAN switches on the market today. This post will … Continue reading

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What Is Optical Switch and How Does It Work?

What Is Optical Switch? The most direct understanding of optical switch is a device used to open or close an optical circuit. It consists of mechanical, optomechanical, or electronic types. In a network, we usually require protection switching to complete … Continue reading

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