WS-C3750-48PS-S - Power draw

[dodsonrs]

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.

[Edison Ortiz · Accepted solution]

http://www.cisco.com/go/powercalculator is your best friend

HTH,

__

Edison.

[Yudong Wu]

Please refer to the following datasheet.

3560:

http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps5528/product_data_sheet09186a00801f3d7d.html

Maximum Power Consumption

530W (Cisco Catalyst 3560-48PS)

3750:

http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps5023/product_data_sheet0900aecd80371991.html

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.

http://tools.cisco.com/cpc/