Cisco Ucs C240 M4 Server Cabling Instructions; Sff 8-Drive Direct-Connect Backplane, No Expander; Sff 16-Drive Backplane With Integrated Expander - Cisco UCS C240 M4 Installation And Service Manual
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RAID Controller Cabling
Cisco UCS C240 M4 Server Cabling Instructions
This section contains cabling instructions for the four server versions and their supported cables:
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SFF 8-Drive Direct-Connect Backplane, No Expander
The SFF 8-drive option does not use a SAS expander, so connections from the controller are made
directly to the backplane. The cable connections required for each type of controller are as follows:
Embedded RAID
This option can control up to eight SATA drives (in two groups of four drives).
The required
(mini-SAS HD to mini-SAS 36-pin x2).
Make the following connections:
Cisco UCS 12G Modular RAID Controller
This option can control up to eight drives.
The required
Make the following connections:
SFF 16-Drive Backplane with Integrated Expander
The SFF 16-drive option has a SAS expander integrated with the backplane.
Cisco UCS 12G Modular RAID Controller
This option can control up to 16 drives.
The required
Make the following connections:
Cisco UCS C240 M4 Server Installation and Service Guide
C-6
SFF 8-Drive Direct-Connect Backplane, No Expander, page C-6
SFF 16-Drive Backplane with Integrated Expander, page C-6
SFF 24-Drive Backplane with Expander Cabling, page C-7
LFF 12-Drive Backplane with Expander, page C-7
UCSC-IP-PCH-C240M4=
1.
Connect the PORT A cable connector to the PORT A connector on the interposer board.
2.
Connect the PORT B cable connector to the PORT B connector on the interposer board.
3.
Connect the single mini-SAS HD cable connector to the single connector on the backplane.
cable kit has one cable with a mini-SAS HD connector on each end.
CBLMR8=
Connect one end of the cable to the modular RAID controller card.
1.
Connect the other end of the cable to the single mini-SAS HD connector on the backplane.
2.
UCSC-CBLMR16=
Connect one end of the cable to the modular RAID controller card.
1.
Connect the other end of the cable to the single mini-SAS HD connector on the backplane.
2.
kit includes the SATA interposer board and one Y-cable
cable kit has one cable with a mini-SAS HD connector on each end.
Appendix C
RAID Controller Considerations
OL-32474-01
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