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CAUTION:
•
For adequate heat dissipation, ensure a minimum clearance of 80 mm (3.15 in) around the air
inlet and outlet vents of the chassis and a distance of 1U (44.45 mm, or 1.75 in) between the
chassis and other devices in the rack.
•
As a best practice, use a rack shelf together with the mounting brackets to support the weight of
the chassis.
To install the firewall in a standard 19-inch rack:
1.
Unpack the firewall and accessories.
2.
Mark the cage nut installation positions on the rack posts by using the mounting brackets.
Use a front mounting bracket to mark the installation positions on the front rack posts and use a
rear mounting bracket to mark the installation positions on the rear rack posts. Install cage nuts.
Figure2-3 Installing cage nuts
3.
Attach the front mounting brackets and shoulder screws to both sides of the firewall with M4
screws provided with the firewall.
Figure2-4 Attaching mounting brackets and shoulder screws to the firewall
4.
Attach the rear mounting brackets to the rear rack posts. The rear mounting brackets can be
attached to the rear rack posts with the wide flange inside or outside the rack.
For a rack with a depth (distance between the front and rear rack posts) in the range of 405
to 569 mm (15.94 to 22.40 in), attach the rear mounting brackets to the rear rack posts with
the wide flange inside the rack.
For a rack with a depth in the range of 247 to 411 mm (9.72 to 16.18 in), attach the rear
mounting brackets to the rear rack posts with the wide flange outside the rack. To prevent
the rear mounting brackets from obstructing the closing of the rack door, ensure a distance
