Cisco 4451 ISR Hardware Installation Manual page 97

Chapter 3 Install and Connect Cisco 4000 Series ISRs
Figure 3-3 Bracket Installation for Center-Front Mounting (Cisco 4451-X ISR shown)
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23-inch SBC brackets
Step 2
Use the screws provided with the rack to install the chassis in the rack. (See
For both the 19-inch EIA brackets and the 23-inch SBC brackets, start the lower pair of screws first, and
rest the brackets on the lower screws while you insert the upper pair of screws.
Tip
The screw slots in the brackets are spaced to line up with every second pair of screw holes in the rack.
When the correct 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.
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special
Warning
precautions to ensure that the system remains stable. The following guidelines are provided to
ensure your safety:
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•
•
To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using
Warning
the handles on modules (such as power supplies, fans, or cards); these types of handles are not
designed to support the weight of the unit. Statement 1032
OL-32185-02
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2
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
Statement 1006
in the rack.
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
19-inch EIA brackets
Install the Router
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Figure 3-4 and Figure 3-6.)
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