Learn about the PA-3400 Series firewall back-panel components.
The following image shows the back panel of the PA-3400
Series firewall and the table describes each back-panel component.
The PA-3410, PA-3420, PA-3430, and PA-3440 back-panel components
Provides ventilation and cooling for the firewall.
The fans are not field replaceable.
Use the single post ground stud to connect
the firewall to earth ground (ground cable not included).
PS1 and PS2
Use the power supply inputs to connect AC or DC power to the firewall. The second power supply is
for redundancy. When facing the back of the firewall, PS1 is on the
right and PS2 is on the left.