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

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