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What Are the Differences Between a PoE Power Supply Unit and a Common Power Supply Unit on a S2700/S3700/S5700 Switch?

Created: May 23, 2017 08:30:05Latest reply: May 23, 2017 08:48:45 793 1 0 0

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What Are the Differences Between a PoE Power Supply Unit and a Common Power Supply Unit on a S2700/S3700/S5700 Switch?

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ms.america Created May 23, 2017 08:48:45

On a S2700/S3700/S5700 switch, a PoE power supply unit and a common power supply unit differ in their appearance and functions.

Figure 1, Figure 2, and Figure 3 show their appearance. A PoE power supply unit has a fan, but a common power supply unit does not.
Figure 1 Common power supply unit

Figure 2 250 W PoE power supply unit

Figure 3 500 W PoE power supply unit
A PoE power supply unit can provide power for both the entire device and the PDs, whereas a common power supply unit can provide power for only the entire device.

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