Palo Alto PA-220 Hardware Reference Manual page 11

Install the PA‐220 Firewall
Install the PA‐220 Firewall in a 19" Equipment Rack (Continued)
Step 5 (Optional) Install a second PA‐220 firewall into the right side of the rack tray:
First remove the pre‐installed rack tray installation hardware and set aside this hardware for use when
you install the second firewall.
1. Remove one 4‐40 x 1/4" screw (located on each side of the front cover) from each rack tray bracket to
detach the rack tray installation hardware from the rack tray.
2. Slide the empty rack tray installation hardware assembly out of the equipment rack tray.
3. Remove the two screws that secure the front cover to the power adapter bracket.
4. Remove the two screws from each firewall rack tray bracket and remove the brackets from the front cover.
Store the front cover for future use.
5. Install the rack tray hardware for the second firewall (Step 1 through Step
side of the rack tray.
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Install the PA‐220 Firewall in a 19" Equipment Rack
4) and then install it in the right
PA‐220 Next‐Gen Firewall Hardware Reference • 21