Cisco MDS 9100 Series Hardware Installation Manual page 26

Preinstallation
b.
Use the tape measure and level to verify that the rails are horizontal and at the same height.
Figure 2-1
Figure 2-2
Cisco MDS 9148S Multilayer Switch Hardware Installation Guide
2-20
Installing the Slider Rails
Installing the Notched Slider Rails
Chapter 2 Installing the Cisco MDS 9148S Switch
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