HP ProLiant ML350 User Manual page 61

The connector labeled "2LFF" of the mini-SAS Y-cable to the optional hard drive cage.
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Position the hard drive cage near the optional drive cage bay, and then thread the drive cables through
7.
the bay.
Slide the optional hard drive cage about three-fourth of the way into the bay, leaving room to connect
8.
cables at the back of the drive cage.
Connect the following cables:
9.
The power cable to the optional hard drive cage.
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The sideband LED cable from the optional hard drive cage to the primary hard drive cage.
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Hardware options installation 61