IBM 6.1.8.2 - Page 78

Figure 31. Securing the outer rails - align and insert the rail
b) Make sure that the rail clicks into its position on the rack post. See the following gure.
Figure 32. Securing the outer rails - click the bracket into position
4. Mount the server on the rack.
a. Pull the middle rail until it is fully extended in lock position.
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IBM Storage ScaleSystem Utility Node: Hardware Planning and Installation Guide