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20 HP StorageWorks 2012i Modular Smart Array user guide • March 2008
Figure 1-4 shows the ports and switches at the back of the drive enclosure.
Figure 1-4 Drive Enclosure Ports and Switches (Back View)
Table 1-7 describes the ports and switches on the back of the drive enclosure.
Table 1-7 Drive Enclosure Ports and Switches (Back)
Location Port/Switch Description
Power and
cooling module
Power switch Toggle, where:
•– is On
• O is Off
Expansion
module
SAS In port 3-Gbps, 4-lane (12 Gbps total) subtractive ingress port used to
connect to a controller enclosure.
Expansion
module
SAS Out port 3-Gbps, 4-lane (12 Gbps total) table-routed egress port used to
connect to another drive enclosure.
Expansion
module
Service port Micro-DB9 port for manufacturing technicians.
Service
0 0
Service
0 0
Service port SAS Out port
Power switch
SAS In port