Learn to replace a power adapter on a PA-220 Firewall.
The PA-220 firewall can operate on one power
adapter or you can install a second power adapter for power redundancy. If
two power adapters are installed and one fails, you can replace
the failed power adapter without interruption.
To
avoid injury to yourself or damage to your Palo Alto Networks® hardware
or the data that resides on the hardware, read the
Product Safety Warnings.