Cisco Catalyst 3750-X and 3560-X Series Switches Data Sheet

Dual Redundant Modular Power SuppliesThe Cisco Catalyst 3750-X Series and 3560-X Series Switches support dual redundant power supplies. The switchships with one power supply by default, and the second power supply can be purchased at the time of ordering theswitch or at a later time. If only one power supply is installed, it should always be in the power supply bay 1.(See Figure 5).Figure 5.Dual Redundant Power SuppliesTable 6 shows the different power supplies available in these switches and available PoE power.Table 6.Power Supply ModelsModels Default Power Supply Available PoE Power24 Port Data SwitchC3KX-PWR-350WAC -48 Port Data Switch24 Port PoE Switch48 Port PoE SwitchC3KX-PWR-715WAC435W48 Port Full PoE Switch C3KX-PWR-1100WAC 800WIn addition to the above power supplies a 440W DC power supply is available as a spare (should be orderedseparately) on all switch models. The DC power supply also delivers PoE capabilities for maximum flexibility,(please refer to table 7 for available PoE for different configurations) and customers can mix and match the ACand DC power supplies in the two available power supply slots. Any of these power supplies can be installed inany of the switches.Table 7.Available PoE with DC Power SupplyModel24-Port PoE Switch# of 440WTotal Available PoE BudgetDC PS1 220W2 660W48-Port PoE Switch1 185W2 625W© 2012 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 8 of 35