Dell PowerEdge R640 EMC PowerEdge R640 Installation and Service Manual - Page 138

Cable routing

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Cable routing Figure 88. Cable routing - 10 x 2.5 drive backplane and 2 x 2.5 rear drive backplane with mini PERC 1. backplane 3. backplane signal cable (BP: J_BP_SIG to MB: J_BP_SIG1) 5. backplane power cable(BP: J_BP_PWR_A1 to MB: J_BP1) 7. NVMe cable (BP PCIe B1 and BP PCIe A1) 9. rear backplane power cable(Rear BP: J_BP_BPO to MB: J_BP_PWR_A1) 11. rear backplane 13. PCIe cable 15. system board 17. SAS cable (BP: BP SAS A0, BP SAS B0 to MP: J_STORAGE1) 2. backplane expander 4. cable routing clip 6. backplane expander power cable 8. NVMe cable (BP PCIe B0 and BP PCIe A0) 10. rear backplane signal cable (Rear BP: J_BP_SIG0 to MB: J_BP_SIG1) 12. PCIe expansion card 14. mini PERC card 16. SAS cable (BP: MiniSAS HD A2 to MB: J_SAS_1) 18. cable routing clip NOTE: The internal cable connectors are not hot-pluggable. 138 Installing and removing system components

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Cable routing
Figure 88. Cable routing - 10 x 2.5 drive backplane and 2 x 2.5 rear drive backplane with mini PERC
1.
backplane
2.
backplane expander
3.
backplane signal cable (BP: J_BP_SIG to MB: J_BP_SIG1)
4.
cable routing clip
5.
backplane power cable(BP: J_BP_PWR_A1 to MB: J_BP1)
6.
backplane expander power cable
7.
NVMe cable (BP PCIe B1 and BP PCIe A1)
8.
NVMe cable (BP PCIe B0 and BP PCIe A0)
9.
rear backplane power cable(Rear BP: J_BP_BPO to MB:
J_BP_PWR_A1)
10.
rear backplane signal cable (Rear BP: J_BP_SIG0 to MB:
J_BP_SIG1)
11.
rear backplane
12.
PCIe expansion card
13.
PCIe cable
14.
mini PERC card
15.
system board
16.
SAS cable (BP: MiniSAS HD A2 to MB: J_SAS_1)
17.
SAS cable (BP: BP SAS A0, BP SAS B0 to MP: J_STORAGE1)
18.
cable routing clip
NOTE:
The internal cable connectors are not hot-pluggable.
138
Installing and removing system components