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Connecting ES40 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 ES40 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.
CAUTION:
When connecting SAS cables to the SAS cards, ensure there is sufficient slack in the cable to avoid
unnecessary strain on the cable connector and the SAS card when the controller is fully extended from the rack.
Connect an FS25 shelf with ES40 shelves (HA systems)
Connect the FS25 shelf to the controller as shown in the diagrams.
● Cable the SSD shelf on its own loop, separate from the ES40 shelves.
● The SSD shelf counts towards the total number of shelves connected to the system.
DD6900 with ES40 cabling
The diagram shows the system cabled in two sets of four shelves each. The FS25 SSD shelf is cabled as a separate set from the
ES40 shelves.
Table 10. DD6900 with ES40 cabling instructions: Single node or HA primary node
Chain
HBA Port
1
7A
1
3A
2
7B
2
3B
3
7C (HA only)
3
3C (HA only)
Cable lengths shown are designed for Dell EMC racks. Longer cables (up to 5M) can be used.
a.
Table 11. DD6900 with ES40 cabling instructions: HA standby node (HA only)
Chain
HBA Port
1
7A
1
3A
2
7B
2
3B
3
7C
3
3C
Cable lengths shown are designed for Dell EMC racks. Longer cables (up to 5M) can be used.
a.
Shelf Port
LCC B, port A of shelf V1.4
LCC A, port A of shelf V1.1
LCC B, port A of shelf V2.4
LCC A, port A of shelf V2.1
LCC A, port A of shelf V3.1 (FS25)
LCC B, port A of shelf V3.1 (FS25)
Shelf Port
LCC B, port B of shelf V1.1
LCC A, port B of shelf V1.4
LCC B, port B of shelf V2.1
LCC A, port B of shelf V2.4
LCC A, port B of shelf V3.1 (FS25)
LCC B, port B of shelf V3.1 (FS25)
a
Length
Cable Color in Cabling
Diagram
3M
Blue
3M
3M
Purple
3M
3M
Gold
3M
a
Length
Cable Color in Cabling
Diagram
3M
Yellow
3M
3M
Red
3M
3M
Gold
3M
Connect Cables and Power On
61
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