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Dell EMC PowerEdge R7425 Installation and Service Manual

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Cable routing

Figure 1. Cable routing – 24 x 2.5 inch drive backplane with adapter PERC (slot 6)
This image shows cable routing – 24 x 2.5 inch drive backplane with adapter PERC (slot 6).
  1. backplane
  2. backplane signal cable
  3. backplane power cable A
  4. backplane power cable B
  5. system board
  6. SAS cable
  7. adapter PERC on slot 6
Figure 2. Cable routing – 24 x 2.5 inch drive backplane with adapter PERC (slot 3)
This image shows cable routing – 24 x 2.5 inch drive backplane with adapter PERC (slot 3).
  1. backplane
  2. backplane signal cable
  3. backplane power cable A
  4. backplane power cable B
  5. system board
  6. SAS cable
  7. adapter PERC on slot 3
Figure 3. Cable routing – 24 x 2.5 inch drive backplane with 4 x 3.5 (with 4 x 2.5 adapter) mid drive tray and 4 x 2.5 rear drive cage
This image shows cable routing – 24 x 2.5 inch drive backplane with 4 x 3.5 (with 4 x 2.5 adapter) mid drive tray and 4 x 2.5 rear drive cage.
  1. backplane
  2. backplane signal cable
  3. backplane power cable
  4. 4 x 3.5 inch drives (with 4 x 2.5 adapter)
  5. SAS cable
  6. SAS cable
  7. SAS cable
  8. rear 4 x 2.5 inch drive backplane
  9. adapter PERC on slot 3
  10. mid drive backplane
Figure 4. 24 x 2.5 inch NVMe drive backplane
This image shows 24 x 2.5 inch NVMe drive backplane.
  1. backplane
  2. backplane signal cable A
  3. backplane power cable A
  4. backplane signal cable B
  5. PCIe cable (A2, B2 to M3, M4)
  6. PCIe cable (A1, B1 to M1, M2)
  7. backplane power cable B
  8. backplane expander
Figure 5. 24 x 2.5 inch NVMe drive backplane with adapter PERC (slot 3)
This image shows 24 x 2.5 inch NVMe drive backplane with adapter PERC (slot 3)
  1. backplane
  2. backplane signal cable A
  3. backplane power cable A
  4. backplane signal cable B
  5. PCIe cable (A2, B2 to M3, M4)
  6. NVMe cable (BP to adapter PERC slot 3)
  7. Adapter PERC
  8. PCIe cable (A1, B1 to M1, M2)
  9. backplane power cable B
  10. backplane expander
Figure 6. 24 x 2.5 inch NVMe drive backplane with adapter PERC (slot 6)
This image shows 24 x 2.5 inch NVMe drive backplane with adapter PERC (slot 6)
  1. backplane
  2. backplane signal cable A
  3. backplane power cable A
  4. backplane signal cable B
  5. PCIe cable (A2, B2 to M3, M4)
  6. NVMe cable (BP to adapter PERC slot 6)
  7. Adapter PERC
  8. PCIe cable (A1, B1 to M1, M2)
  9. backplane power cable B
  10. backplane expander
Figure 7. Cable routing – 12 x 3.5 inch drive backplane with adapter PERC (slot 6)
This image shows cable routing – 12 x 3.5 inch drive backplane with adapter PERC (slot 6).
  1. backplane
  2. backplane signal cable
  3. backplane power cable
  4. system board
  5. adapter PERC on slot 6
  6. SAS cable
Figure 8. Cable routing – 12 x 3.5 inch drive backplane with adapter PERC (slot 3)
This image shows cable routing – 12 x 3.5 inch drive backplane with adapter PERC (slot 3).
  1. backplane
  2. backplane signal cable
  3. backplane power cable
  4. system board
  5. adapter PERC on slot 3
  6. SAS cable
Figure 9. Cable routing – 12 x 3.5 inch drive backplane with 4 x 3.5 mid drive tray and 2 x 3.5 rear drive cage
This image shows cable routing – 12 x 3.5 inch drive backplane with 4 x 3.5 mid drive tray and 2 x 3.5 rear drive cage.
  1. backplane
  2. backplane signal cable
  3. backplane power cable
  4. system board
  5. SAS cable
  6. SAS cable
  7. rear drive backplane
  8. adapter PERC on slot 3
  9. mid drive backplane
  10. 4 x 3.5 inch drives
Figure 10. Cable routing – 8 x 3.5 inch drive backplane with onboard SATA
This image shows cable routing – 8 x 3.5 inch drive backplane with onboard SATA.
  1. backplane
  2. backplane signal cable
  3. backplane power cable
  4. system board
  5. onboard SATA cable
Figure 11. Cable routing – 8 x 3.5 inch drive backplane with adapter PERC (slot 6)
This image shows cable routing – 8 x 3.5 inch drive backplane with adapter PERC (slot 6).
  1. backplane
  2. backplane signal cable
  3. backplane power cable
  4. system board
  5. adapter PERC on slot 6
  6. SAS cable
Figure 12. Cable routing – 8 x 3.5 inch drive backplane with adapter PERC (slot 3)
This image shows cable routing – 8 x 3.5 inch drive backplane with adapter PERC (slot 3).
  1. backplane
  2. backplane signal cable
  3. backplane power cable
  4. system board
  5. adapter PERC on slot 3
  6. SAS cable

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