Figure 395. Cable routing to one 8i adapter and one Trimode 16i adapter
From To
1  Backplane 1: SAS
8i adapter 
•  C0
2  Backplane 2: SAS
16i adapter 
•  C0
3  Backplane 3: SAS
•  C1
Two 8 x SAS/SATA and one 8 x AnyBay (Gen 4) backplanes
This section provides cable routing information for the server model with two 8 x 2.5-inch SAS/SATA and one 
8 x 2.5-inch AnyBay (Gen 4) front drive backplanes.
• 
“Front backplanes: 16 x 2.5" SAS/SATA + 8 x 2.5" AnyBay” on page 392
•  “Front + rear backplanes: (16 x 2.5" SAS/SATA + 8 x 2.5" AnyBay) + 4 x 2.5" SAS/SATA” on page 397
Front backplanes: 16 x 2.5" SAS/SATA + 8 x 2.5" AnyBay
This topic provides cable routing information for the 16 x 2.5" SAS/SATA + 8 x 2.5" AnyBay (Gen 4) 
configuration.
To connect power cables for the front backplane(s), refer to 
“Backplanes: server models with 2.5-inch front 
drive bays” on page 297.
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ThinkSystem SR650 V3 User Guide