Lightning protection suggestions. Because the protection of lightning and overvoltage is a systematic project, the lightning protection proposal is only to redu......
POE is also called power over LAN (POL) or Active Ethernet, and is sometimes referred to simply as Ethernet power supply. It is the latest standard specificatio......
In the application lines of PoE and PoE+, two kinds of transformers are generally used, one is a LANtransformer, and the other is a Powertransformer. So what ro......
Standard POE conforms to IEEE802.3af or IEEE802.3at(at compatible af) standard, and has a handshake protocol (2-10V detection voltage), and the step-up power su......
PS: What is the power supply of the home phone? Telephone line! OK, IP phones, webcams, wireless AP and other low-power IP terminal devices can also be powered ......