PaloAlto Networks PA-400 Series Hardware Reference Manual page 39

Connect Power to a PA-400 Series Firewall
STEP 5 | (Oponal) Connect the DC connector from a second power adapter (purchased separately)
into the PWR 2 port and plug the AC connector into an AC power source.
Connect the second PA-400 Series firewall power adapter through a different circuit
breaker to provide power redundancy and to allow for electrical circuit maintenance.
Before powering on the firewall, ensure that you have connected your Ethernet cables
in accordance to the mode you wish to boot the firewall in (standard mode or Zero
Touch Provisioning mode) as specified in
PA-400 Series Next-Gen Firewall Hardware Reference
Set Up a Connecon to the
39
Firewall.
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