3. Extend the inner rail of the mounting rails to align with the depth of the rack.
4. To install the mounting rails in a round-hole or square-hole rack, insert the pins on the mounting flanges into the rack column holes.
5. To install the mounting rails in a threaded-hole rack, do the following:
a. Remove the pins and washers from the mounting rails.
Retain all pins and washers for future use.
Installing the rack rail option
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