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C-17
Cisco UCS C24 Server Installation and Service Guide
OL-26647-01
Appendix C RAID Controller Considerations
RAID Controller Cabling
RAID Controller Cabling
This section includes the following topics:
• Cable Routing, page C-17
• Cisco UCS C24 Server RAID Cabling Instructions, page C-18
Cable Routing
The RAID controller connectors in this server are shown in Figure C-2. The colored lines indicate the
recommended cable-routing paths from the SAS expander or backplane to the possible controller
locations:
• The red line is the cable path to a controller in PCIe riser 1. The cable is routed across the chassis
in clips on the air baffle (not shown). This is the only riser available in single-CPU configurations.
• The blue line is the cable path to a controller in PCIe riser 2.
• The green line is the cable path to the embedded RAID connectors on the motherboard.
Figure C-2 RAID Controller Cable Routing
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Port 1
Port 0
SYS FAN1
SYS FAN2
SYS FAN3
SYS FAN4
CPU 1
CPU 2
PCIe riser 1
PCIe riser 2
PSU 1 (bottom)
PSU 2 (top)
3 5 6
1
2
4
1 Drive backplane 4 PCIe risers for RAID controller cards
2 SAS expander connectors 5 Embedded RAID SAS connector
(SCU_PORT_0)
3 SCPM mounting cage 6 Embedded RAID SAS connector
(SCU_PORT_1)