Apple Processor Cage and Clips Guida di Installazione Scaricare il pdf (Pagina 17)

I/O Modules

The I/O modules connect the controller nodes to the hard drives using a SAS cable, enabling the

transfer of data between the nodes, hard drives, PCMs, and enclosures. The I/O modules are

located at the rear of the drive enclosure. There are two I/O modules per enclosure, numbered 0

and 1 from bottom to top (see Figure 6 (page 17) and Figure 7 (page 17)).

Figure 6 M6710 I/O Module

Figure 7 M6720 I/O Module

NOTE: The I/O modules are located in slots 0 and 1 of the HP M6710 and HP M6720 Drive

Enclosure.

Power Cooling Modules

The power cooling module (PCM) is an integrated power supply, battery, and cooling fan. There

are two types of PCMs:

• The 580 W is used in the drive enclosures and does not include a battery.

• The 764 W is used in the node enclosures and includes a replaceable battery.

The PCMs are located at the rear of the storage system, and on the sides of the enclosure. There

are two PCMs per enclosure. The PCMs are numbered 0 and 1 from left to right.

Understanding Component Numbering 17

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 116 117

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Apple Processor Cage and Clips Guida di Installazione Pagina 17