CHAPTER 2
2-16 IEN HARDWARE REFERENCE 940043-002
Power Supply
The IEN 4000 contains two removable power supplies that are hot swappable, are user
serviceable, supplies redundant backplane clock, supplies universal AC input, and supplies
110/220V auto sensing. The status LEDs on the front of the power supply indicate the
proper power output. Figure 2-10 illustrates the face plate of the IEN 4000 removable
power supply.
Figure 2-10 IEN 4000 Removable Power Supply Face Plate
Figure 2-11 illustrates the rear view of the IEN 4000 removable power supply.
Figure 2-11 IEN 4000 Removable Power Supply Rear View
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