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2.5-inch drive backplane cable routing

Use this section to understand the cable routing for the 2.5-inch drive backplane.

Note
  • If necessary, attach the labels to both ends of the cables.
    1. Attach the white space portion of the label to one end of the cable.
    2. Wrap the label around the cable and attach it to the white space portion.
    3. Repeat to attach the other label to the opposite end of the cable.
    Figure 1. Label application
    Label application
  • Route the power cable under the compute tray as illustrated below.
  • Route the power cable through the cable holder and sponge as illustrated below.
  • The following illustration uses the 12V power distribution board as an example, but the cable routing is identical for the 54V board.
Figure 2. Backplane 1 cable routing
Backplane 1 cable routing
FromToLabel
1 Backplane: Power connector1 Power distribution board: Backplane 1 power connector
  • NVMe PWR
  • BP 1
2 Backplane: NVMe connector 0-12 PCIe switch board: NVMe connector 0-1
  • NVMe 0-1
  • NVMe 0-1
3 Backplane: NVMe connector 2-33 PCIe switch board: NVMe connector 2-3
  • NVMe 2-3
  • NVMe 2-3
4 Backplane: NVMe connector 4-54 PCIe switch board: NVMe connector 4-5
  • NVMe 4-5
  • NVMe 4-5
5 Backplane: NVMe connector 6-75 PCIe switch board: NVMe connector 6-7
  • NVMe 6-7
  • NVMe 6-7