The following image shows the back panel of the
PA-520 and PA-540, which have similar back panel components
(PA-540 pictured). The table describes each back panel
component.
Item
Component
Description
1
Power Adapter Inputs
Two DC power inputs. One power supply is required, while a second
power supply can be used for redundancy.
2
Ground Stud
Use the single post ground stud to connect the firewall to earth
ground (ground cable not included).
The following image shows the back panel of the PA-550. The table describes
each back panel component.
Item
Component
Description
1
Power Adapter Inputs
Two DC power inputs. One power supply is required, while a second
power supply can be used for redundancy.
2
Ground Stud
Use the single post ground stud to connect the firewall to earth
ground (ground cable not included).
The following image shows the back panel of the
PA-545-POE and PA-555-POE, which have similar back panel components. The table describes
each back panel component.
Item
Component
Description
1
Power Adapter Inputs
Two DC power inputs. One power supply is required, while a second
power supply can be used for redundancy.
2
Ground Stud
Use the single post ground stud to connect the firewall to earth
ground (ground cable not included).
The following image shows the back panel of the PA-560.
The table describes each back panel component.
Item
Component
Description
1
Fans
Two single-rotor fans that provide cooling to the firewall. The fans
are not field replaceable.
2
Power Adapter Inputs
Two DC power inputs. One power supply is required, while a second
power supply can be used for redundancy.
3
Ground Stud
Use the single post ground stud to connect the firewall to earth
ground (ground cable not included).