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3-4
Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter 3 Installing the Cisco ASR 903 Router
Installing the Router in a Rack
Figure 3-4 Installing the Chassis to support the Japanese JIS Rack Standard
Figure 3-5 Installing the Chassis in a 300 mm ETSI Cabinet
Step 3
Install the 8 or 12 (4 or 6 per side) 12-24 x 3/4-inch or 10-32 x 3/4-inch screws through the holes in the
bracket and into the threaded holes in the equipment rack posts.
Step 4 Use a tape measure and level to verify that the chassis is installed straight and level.
Installing the Chassis in the Air Plenum
Note Ensure that the router is not installed in the Air Plenum while mounting it on the rack.
For instructions on mounting the air plenum on the rack, (see Table 6-2).
Step 1 Position the chassis so that the rear of the chassis is at the front of the plenum. See Figure 3-6.
Step 2 Slide the chassis into the plenum so that the front of the chassis is in flush with the mounting rails and
brackets.
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