Switch PoE

Created: Oct 17, 2019 12:00:34Latest reply: Oct 17, 2019 12:03:36 76 1 0 0
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How do I determine the maximum number of APs supported by a switch?

For example, the PoE power supply of S5720-28TP-PWR-LI is 370W, and the power consumption of AP6050 is 25w. What is the number of APs supported by the switch? Can the number of APs supported by the switch be =370/35=14?

  • x
  • convention:

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Popeye_Wang
Admin Created Oct 17, 2019 12:03:36 Helpful(0) Helpful(0)

Hi Sprout,
The power loss of network cables also needs to be considered during the calculation.
For example, the resistance of the CAT5 network cable of the 100M is about 20 ohms, so the loss of the 100M network cable is =(25w/50v)^2*20=5W. Therefore, the number of APs supported by the switch=370/(25+5)=12.
  • x
  • convention:

All Answers
Popeye_Wang
Popeye_Wang Admin Created Oct 17, 2019 12:03:36 Helpful(0) Helpful(0)

Hi Sprout,
The power loss of network cables also needs to be considered during the calculation.
For example, the resistance of the CAT5 network cable of the 100M is about 20 ohms, so the loss of the 100M network cable is =(25w/50v)^2*20=5W. Therefore, the number of APs supported by the switch=370/(25+5)=12.
  • x
  • convention:

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