Installing the Router in a Rack
Warning
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to
ensure that the system remains stable. The following guidelines are provided to ensure your safety:
• This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
• When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component
at the bottom of the rack.
• If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack.
Statement 1006
Caution
Be sure to leave space above and below each router in a rack to allow for cooling air circulation.
Use two screws for each side (supplied with the rack, not with the router). Suggestion: Start the lower pair of screws first, and
rest the brackets on the lower screws while you insert the upper pair of screws.
The screw slots in the brackets are spaced to line up with every second pair of screw holes in the rack. When the correct
Tip
screw holes are used, the small threaded holes in the brackets line up with unused screw holes in the rack. If the small
holes do not line up with the rack holes, you must raise or lower the brackets to the next rack hole.
Attaching the Cable Management Bracket
The cable management bracket provides attachment points for organizing and routing cables. Attach the cable management
bracket to the left or right rack-mount bracket using the screw provided. On rack-mount brackets for Cisco 2821 and
Cisco 2851 routers, you can attach the cable management bracket to either the upper or the lower threaded hole. See Figure 10
and Figure 11 for cable management bracket attachment locations.
Figure 10
Attaching the Cable Management Bracket to the Cisco 2801 Router
Cable management screw
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