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20 HP StorageWorks 2012fc 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

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 87 88

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HP StorageWorks 20 - Modular Smart Array Guida Utente Pagina 20