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Connect Cables and Power On
Connecting DS60 shelves
The cabling diagrams in this section show maximum configurations. Not all systems will have all the
disk shelves shown in the diagrams.
When connecting DS60 shelves, all the cables have HD-mini-SAS connectors at both ends.
Add shelf-to-shelf cables between shelves in a loop and to the controller as shown in the diagrams.
Connect an FS25 shelf with DS60 shelves
Connect the FS25 shelf to the controller as shown in the diagrams.
l
l
DD9900 with DS60 cabling
The DD9900 system supports a maximum of five shelves. The diagram shows them cabled in two
sets of two shelves each, and one set of one shelf. The FS25 SSD shelf is cabled as a separate set
from the DS60 shelves.
Table 9 DD9900 with DS60 cabling instructions: Single node or HA primary node
String
(Loop)
1
1
2
2
3
3
4
4
Table 10 DD9900 with DS60 cabling instructions: HA standby node (HA only)
String
(Loop)
1
1
2
2
Dell EMC PowerProtect DD9900 System Installation Guide
64
There are no specific placement or cabling requirements for SSD shelves.
The SSD shelf counts towards the total number of shelves connected to the system.
Note:
The following diagrams show maximum configurations. Not all systems will have
everything depicted.
I/O - Port
Shelf Port
I/O 7 - Port A
LCC A, port 0 of shelf V1.1
I/O 3 - Port A
LCC B, port 0 of the highest number shelf in V1
I/O 7 - Port B
LCC A, port 0 of shelf V2.1
I/O 3 - Port B
LCC B, port 0 of the highest number shelf in V2
I/O 7 - Port C
LCC A, port 0 of shelf V3.1
I/O 3 - Port C
LCC B, port 0 of shelf V3.1
I/O 7 - Port D
FS25 LCC B, port A
I/O 3 - Port D
FS25 LCC A, port A
a.
Cable lengths shown are designed for Dell EMC racks. Longer cables (up to 5M) can be
used.
I/O - Port
Shelf Port
I/O 7 - Port A
LCC A, port 2 of the highest number shelf in V1
I/O 3 - Port A
LCC B, port 2 of shelf V1.1
I/O 7 - Port B
LCC A, port 2 of the highest number shelf in V2
I/O 3 - Port B
LCC B, port 2 of shelf V2.1
a
Length
3M
3M
3M
3M
3M
3M
3M
3M
a
Length
3M
3M
3M
3M
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