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Dell PowerProtect Data Manager Appliance 5.15.0.0 Installation Guide for DM5500

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Connect SAS cables

Each enclosure only supports redundant configurations. Both EMMs must be connected to the DM5500 server for the enclosure to function properly. The following diagrams show how to connect the SAS cables from the DM5500 server to one, two, or three enclosures. The SAS ports on each EMM in an enclosure are labeled 1 and 2. Port 1 is the host port and port 2 is the expansion port.

CAUTION:When you connect SAS cables to the DM5500 SAS card ports, it is possible to insert the SAS cable into the SAS card port in a reversed position. (The cable locks into place in the DM5500 SAS port, but there will not be a connection.) To avoid this, make sure the SAS cables are oriented in the DM5500 SAS card ports as shown in the following image.
Figure 1. Correct orientation of SAS cables connected to DM5500 SAS ports
This image shows the correct orientation of the SAS cables connected to the DM5500.
Figure 2. DM5500 with one enclosure cabling
This image shows how to connect SAS cables from the DM5500 to one enclosure.
Table 1. DM5500 with one enclosure cabling instructions This table provides the cabling instructions for the DM5500 with one enclosure.
SAS card port on DM5500 Enclosure port
Port 1 EMM-B, port 1
Port 2 EMM-A, port 1
Figure 3. DM5500 with two enclosures cabling
DM5500 SAS cabling with two enclosures.
Table 2. DM5500 with two enclosures cabling instructions This table provides the cabling instructions for the DM5500 with two enclosures.
SAS card port on DM5500 Enclosure port
Port 1 Enclosure 1: EMM-B, port 1
Port 2 Enclosure 1: EMM-A, port 1
Port 3 Enclosure 2: EMM-B, port 1
Port 4 Enclosure 2: EMM-A, port 1
Figure 4. DM5500 with three enclosures cabling
This image shows how to connect SAS cables from the DM5500 to three enclosures.
Table 3. DM5500 with three enclosures: DM5500 to enclosure cabling instructions This table provides the DM5500 to enclosure cabling instructions for the DM5500 with three enclosures.
SAS card port on DM5500 Enclosure port
Port 1 Enclosure 1: EMM-B, port 1
Port 2 Enclosure 1: EMM-A, port 1
Port 3 Enclosure 3: EMM-B, port 1
Port 4 Enclosure 2: EMM-A, port 1
Table 4. DM5500 with three enclosures: enclosure to enclosure cabling instructions This table provides the enclosure to enclosure cabling instructions for the DM5500 with three enclosures.
Enclosure 2 port Enclosure 3 port
EMM-A, port 2 EMM-A, port 1
EMM-B, port 1 EMM-B, port 2

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