IBM Storwize V5100 MTM 2078-424, Быстрое руководство по установке

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Table 11. Examples of supported SAS chain combinations
2077/2078-12F
Enclosures
2077-24F Enclosures 2078-92F, 2078-A9F
Enclosures
Combined chain weight
2 0 3 9.5
2 3 2 10
0 7 1 9.5
1 1 1 4.5
In addition, the orientation of the Input and Output SAS ports on the 2U and 5U SAS enclosures differs.
Figure 60 on page 59 shows the SAS ports on the 2U and 5U expansion enclosures.
Figure 60. SAS port orientation on expansion enclosures
1 Input SAS port
2 Output SAS port
Powering on the optional 2077-92F, 2077-A9F expansion enclosures
Use the following procedure to provide power to the 2077-92F, 2077-A9F expansion enclosure as part of
the initial installation process or after a service procedure.
Before you begin
Important:
• Before you connect the power cables to the rear of the enclosure, always check that the expansion
enclosure is secured in the rack. If needed, tighten the thumbscrews on the front of the enclosure ( 2 in
Figure 61 on page 60) to ensure that the enclosure drawer does not roll open.
Chapter 2. Installing the system hardware 59