Sans Digital AccuSTOR AS424X12 Hardware Detailed User's Manual page 19

Chapter 1. Introduction
9. FAN failure indicator 1.(Rear / Front)
10. FAN Module 1
11. FAN failure indicator 2 (Rear / Front)
12. FAN Module 2
13. AC inlet 1 & Latch
14. Power Module 1
15. AC inlet 2 & Latch
16. Power Module 2
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