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Attach the Rack-Mount Brackets to the Rear of the Chassis
To install the rack-mount brackets on the chassis for a rear rack-mount configuration, complete the following steps:
Step1 Locate the threaded holes in the rear sides of the chassis.
Step2 Align the first rack-mount bracket to the threaded holes in one side of the chassis as shown in Figure 5.
Figure5 Installing the Rack-Mount Brackets on the Rear of the Chassis
Note The Cisco uBR7225VXR chassis has only five holes in the rack-mount brackets. You must use four holes for the front
rack-mount and middle rack-mount, and five holes for the rear mount.
Step3 Thread the five M4 x 6-mm Phillips flathead screws through the rack-mount bracket and into the side of the chassis.
Use a number 2 Phillips screwdriver to tighten the screws.
Step4 Repeat Step 1 through Step 3 for the other rack-mount bracket.
Attach the Rack-Mount Brackets to the Front of the Chassis
To install the rack-mount brackets on the chassis for a front rack-mount configuration, complete the following steps.
Step1 Locate the threaded holes in the front sides of the chassis.
Note The Cisco uBR7225VXR chassis has only five holes in the rack-mount brackets. You must use four holes for the front
rack-mount and middle rack-mount, and five holes for the rear mount.
Step2 Align the first rack-mount bracket to the threaded holes in one side of the chassis.
1Installed in 4-post rack—rear installation 3Installed in 4-post rack—protruding front installation

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Installed in a Telco-type rack—middle rack-mount
installation 4
Installed in 4-post rack—front installation
1Rack-mount bracket 2Rack-mount bracket on the rear of the chassis
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