PA-800 Firewall Overview
PA-800 Back-Panel
The following images show the back panel of the PA-820 and PA-850 Series firewall and the table
describes each back panel component. The only difference between the back panels of the two
firewalls is that the PA-820 has one fixed power supply and the PA-850 firewall has two hot-
swappable power supplies (the second power supply is for redundancy).
Figure 1: PA-820 Back Panel
Figure 2: PA-850 Back Panel
Item
Component
Descripon
1
Power inputs
Use the power supply input(s) to connect power to the
firewall.
• PA-820 firewall—Single fixed AC power supply and
power input.
• PA-850 firewall—Two AC power supplies and power
inputs.
2
Ground stud
Use the single post ground stud to connect the firewall to
earth ground (ground cable not included).
3
Cooling fans
Fans that provide venlaon and cooling for the firewall.
PA-800 Series Next-Gen Firewall Hardware Reference
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2021 Palo Alto Networks, Inc.