Figure 9: Remove Shipping Brackets from 8804 Chassis
Remove the shipping brackets:
• 20 x M4 screws from the 8818 chassis
• 20 x M4 screws from the 8812 chassis
• 16 x M4 screws from the 8808 chassis
• 16 x M4 screws from the 8804 chassis
To make the chassis weigh less for moving, remove the following module and place them where their connectors
will not be damaged:
• Fan trays
Leave the chassis on the pallet until you are ready to move and install the chassis in a rack.
Install Bottom-Support Rails
The bottom-support rails support the weight of the router chassis in the rack. To maximize the stability of the
rack, you must attach these rails at the lowest possible rack unit (RU).
Procedure
Step 1 Position the vertical rack rails at 32" depth to match with the length of the bottom-support rails. Check spacing
considerations.
• Maintain at least 21 RU (36.75 inches [93.34 cm]) for 8812 chassis and 16 RU (28 inches [71.12 cm])
for 8808 chassis of vertical space above support rails.
Hardware Installation Guide for Cisco 8800 Series Routers
27
Unpack and Install the Chassis
Install Bottom-Support Rails
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