Lenovo HX3510-G Installation And Service Manual page 126

The following illustration shows the internal routing for the 24x2.5-inch drive model cables.
Note: There might be 3 or 4 power connectors on the system board depending on your configuration.
However, this difference will not affect the cable routing. Follow the following illustrations to complete
your cable routing.
24x2.5-inch hot-swap hard disk drive model
24x2.5-inch hot-swap hard disk drive with 3 identical backplanes:
2.5-inch HDD hot-swap backplane
Power / configuration cable
2.5-inch HDD hot-swap backplane
Power / configuration cable
SAS 1
2.5-inch HDD hot-swap backplane
SAS 0
Power / configuration cable
SAS signal cable
SAS 1
SAS 0
SAS signal cable
SAS 1
SAS 0
SAS signal cable
Figure 40. 24x2.5-inch hot-swap hard disk drive cabling
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HX3510-G, HX5510, HX5510-C, HX7510 Installation and Service Guide