: Replace a PA-3400 Series Power Supply
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Replace a PA-3400 Series Power Supply

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Replace a PA-3400 Series Power Supply

Learn how to replace a power supply on a PA-3400 Series firewall.
PA-3400 Series firewalls have two AC or DC power supplies (the second power supply is for redundancy). If one power supply fails, you can replace it without service interruption as described in the following procedure.

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