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Cisco C9K-PWR-650WACL-R - Power Supply Unit

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Tech Overview

Cisco Part Number: C9K-PWR-650WACL-R is a Catalyst 9500 650W AC Power Supply

The Cisco Catalyst 9500 Series Switches support dual 1+1 redundant power supplies (AC or DC). The switches ship with one power supply by default. The second power supply can be purchased at the time the switch is ordered or at a later time. If only one power supply is installed, it should always be in power supply bay #1.

The switch chassis has two slots in which you can install power supplies using any of the following combinations:

  • Two AC, two DC or AC-DC power supplies
  • One AC-input power supply or one DC-input power supply (leaving the blank cover on the other slot)

The C9K-PWR-650WACL-R power supplies can work together in Redundant Mode, in which each power supply operates at approximately 50 percent of its capacity, no greater than 60 percent and no less than 40 percent. If one power supply fails, the other power supply can provide power for the entire system on its own. This is the default and recommended mode.

Power supply modules LED

The AC and DC power supply modules have the following LEDs:

  • Green indicating the power status
  • Red indicating the power supply failure
  • Amber indicating a warning
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