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2.5-inch drive backplane cable routing

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

Based on the location of the drive backplane, select the corresponding routing plan:

Backplane 1

Figure 1. Backplane 1 cable routing
Backplane 1 cable routing
CableFromToLabel
1Backplane 1: NVMe connector 0-1PCIe switch board: NVMe connector 1 (NVME1)
  • NVME 0-1
  • NVME 1
2Backplane 1: NVMe connector 2-3PCIe switch board: NVMe connector 2 (NVME2)
  • NVME 2-3
  • NVME 2
3Backplane 1: Power connectorPower distribution board: Backplane 1 power connector (BP1 PWR)N/A
4Backplane 1: NVMe connector 4-5PCIe switch board: NVMe connector 3 (NVME3)
  • NVME 4-5
  • NVME 3
5Backplane 1: NVMe connector 6-7PCIe switch board: NVMe connector 4 (NVME4)
  • NVME 6-7
  • NVME 4

Backplane 2

Figure 2. Backplane 2 cable routing
Backplane 2 cable routing
CableFromToLabel
1Backplane 2: NVMe connector 0-1PCIe switch board: NVMe connector 5 (NVME5)
  • NVME 0-1
  • NVME 5
2Backplane 2: NVMe connector 2-3PCIe switch board: NVMe connector 6 (NVME6)
  • NVME 2-3
  • NVME 6
3Backplane 2: Power connectorPower distribution board: Backplane 2 power connector (BP2 PWR)N/A
4Backplane 2: NVMe connector 4-5PCIe switch board: NVMe connector 7 (NVME7)
  • NVME 4-5
  • NVME 7
5Backplane 2: NVMe connector 6-7PCIe switch board: NVMe connector 8 (NVME8)
  • NVME 6-7
  • NVME 8

After you finish

Divide the cables connected to the PCIe switch board into four bundles, and secure them with cable ties.


Figure 3. Securing cables with cable ties
Securing cables with cable ties
BundleCable
1
  • Two backplane 1 signal cables (connected to NVMe connectors 1 and 2)
  • Two PCIe switch board signal cables (connected to MCIO connectors 1 and 2)
2
  • Two backplane 1 signal cables (connected to NVMe connectors 3 and 4)
  • Two PCIe switch board signal cables (connected to MCIO connectors 3 and 4)
3
  • Two backplane 2 signal cables (connected to NVMe connectors 5 and 6)
  • Two PCIe switch board signal cables (connected to MCIO connectors 5 and 6)
4
  • Two backplane 2 signal cables (connected to NVMe connectors 7 and 8)
  • Two PCIe switch board signal cables (connected to MCIO connectors 7 and 8)