HP StorageWorks 9100 Extreme Data Storage System administration guide V1.0.2 (AN540-96018, February 2010)

Figure 4 shows a back view of an expansion cabinet with four storage blocks:
5. ExDS9100cx 81. ExDS9100c 8
6. ExDS9100cx 72. ExDS9100c 7
7. ExDS9100cx 63. ExDS9100c 6
8. ExDS9100cx 54. ExDS9100c 5
Figure 4 Rear view of an HP ExDS9100 expansion cabinet
.
9100 Extreme Data Storage System administration guide 17