Hitachi GR2000 Series Installation Manual page 370

Figure 6-58 shows how to connect the AC input power cable to GR2000-20. The
steps are as follows:
1. Ensure that the power switch in the front end of the chassis is in the O (out)
position. When the power supply is duplexed (redundant), make sure in two
positions.
2. Insert the receptacle on the input power cable firmly to the plug beneath the
power switch. When the power supply is duplexed, do this in two positions.
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