WS-C3750-48PS-S - Power draw

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Apr 16th, 2008
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Does anybody know is the maximum power draw of a WS-C3750-48PS-S and WS-C3560-48PS-S switches fully populated with cisco IP Phones as I need to spec a UPS which will service any power outage.

Correct Answer by Edison Ortiz about 9 years 1 week ago is your best friend




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Yudong Wu Wed, 04/16/2008 - 06:59
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Please refer to the following datasheet.


Maximum Power Consumption

530W (Cisco Catalyst 3560-48PS)


Maximum Power Consumption

540W (Cisco Catalyst 3750-48PS)

Different Cisco IP phone consume different power. PoE has maximum 370W output. You can use the following tool to calculate how many phone can be supported.


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