PaloAlto Networks PA-220, Hardware Reference Manual, Page: 37 / 48

PA-220 NEXT-GEN FIREWALL HARDWARE REFERENCE | Service the PA-220 Firewall Hardware
37
©
2019 Palo Alto Networks, Inc.
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
.
STEP 1 | Unplug the failed power adapter from the AC power source and then turn the power cable
connector nut on the back of the firewall (PWR1 or PWR2) counterclockwise to release the
cable. Pull the cable away from the firewall to remove it.
STEP 2 | Connect the DC connector from the new power adapter to the power input (PWR 1 or PWR 2)
port on the firewall and tighten the connector nut to secure the cable to the firewall.
STEP 3 | Plug the AC connector from the power adapter into an AC power source.