Cisco 7541 Hardware Installation Manual page 30

Rack-Mounting Parts, Tools, and Considerations
When vertical space in the rack is not filled by a WAVE appliance or rack component, the gaps between
the components cause changes in airflow through the rack and across the WAVE appliances. Cover all
gaps with filler panels to maintain proper airflow.
Caution
Always use filler panels to fill empty vertical spaces in the rack. This arrangement ensures proper
airflow. Using a rack without filler panels results in improper cooling that can lead to thermal damage.
•
Observe the following additional requirements to ensure adequate airflow and to prevent damage to
the equipment:
–
–
Note
Rack-mounting the WAVE-7541, WAVE-7571, and WAVE-8541 appliance is supported for rear mount
in a 4-post rack only.
Table 3-1
screwdriver. Verify that you have received the following items for the installation:
Table 3-1
Item Name
1
2
3
4
5
6
7
Cisco Wide Area Virtualization Engine 7541, 7571, and 8541 Hardware Installation Guide
3-2
Front and rear doors—If the 42U rack includes closing front and rear doors, you must allow
5,350 sq cm (830 sq in) of holes evenly distributed from top to bottom to permit adequate
airflow (equivalent to the required 64 percent open area for ventilation).
Side—The clearance between the installed rack component and the side panels of the rack must
be a minimum of 7 cm (2.75 in).
lists the rack mounting hardware included in your shipping container. You will need a Phillips
Rack Mount Lug Hardware Provided
Description
Front rack mount Front rack mount L bracket
bracket
Rear rack mount Rear rack mount bracket holder
bracket holder
36" rear rack mount Rear rack mount bracket (36 inch)
bracket
Front rack mount Front rack bracket screw, #6-32 x 0.30", Wafer Head,
bracket screw Phillips, Steel w/ Zinc and Black
Rear rack mount Rear bracket holder screw, M4 x0.7 x 4.85 mm, 120º, Flat
bracket holder screw Head, Phillips, Steel w/ Zinc and Black
Rack screw Rack screw, #10-32 x 0.50", Truss Head, Phillips, Steel w/
Ni and Black
Rack screw Rack screw, M5 x 12.7 mm, Truss Head, Phillips, Steel w/
Ni and Black
Chapter 3 Installing the WAVE-7541, WAVE-7571, and WAVE-8541
Qt
y
2
2
2
6
6
8
8