IBM DS4700 manual Power supply and fan unit a

1

3 4

43

2

ds470040

Figure 4. Power supply and fan unit components for DS4700 Express model 70

Table 4. Description of Figure 4

Number	Description
1	Power supply and fan unit A
2	Power supply and fan unit B
3	Power connector
4	Power switch

1

34

43

2

ds470041

Figure 5. Power supply and fan unit components for DS4700 Express model 72

Table 5. Description of Figure 5

Number	Description
1	Power supply and fan unit A
2	Power supply and fan unit B
3	Power connector
4	Power switch

Figure 6 on page 14 shows a power supply and fan unit and the airflow through the storage subsystem.

Chapter 1. Introduction 13