如何識別普通交換機和POE交換機?

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如何判斷一台交換機是普通交換機還是POE交換機?方法很簡單，只需從它們的外觀即可判斷。
1. 看產品標籤：正規廠家出廠的產品都會有產品標籤，品牌廠家出廠的POE交換機，其產品型號會帶有P，表示帶有POE功能。
2. 看交換機面板：部分品牌會將交換機名稱和型號印在交換機面板上，且面板上的LED指示燈也會帶有POE標誌。
3. 看電源參數：如果電源適配器上的參數，其供電電壓一欄為48V，為POE交換機，如果為9V / 12V通常是普通交換機。
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How to identify common switches and POE switches?
1. Look at the product label: The products shipped from regular manufacturers 
will have product labels. The POE switches manufactured by the brand 
manufacturers will have P with the product model, indicating POE function.
2. Look at the switch panel: Some brands will print the switch name and model 
on the switch panel, and the LED indicator on the panel will also carry the POE 
mark.
3. Look at the power parameters: If the parameters on the power adapter, the 
power supply voltage column is 48V, which is a POE switch. If it is 9V / 12V, it 
is usually a normal switch.
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