Lenovo Storage D1212 Hardware Installation And Maintenance Manual page 65

Figure 48. Single host with single host adapter- Multiple 5U Enclosures
Figure 49. Single host with dual host adapters- Multiple 5U Enclosures
Multiple enclosures may be connected together using SAS patch cables, up to a maximum of 336 DDICs or
4 enclosures. An example configuration is shown as below.
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Chapter 3 Installation