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Be sure to connect each power cable to a separate DC power source . If they are plugged
into the same source, a failure at the source will result in a system crash.
Using a digital voltmeter (DVM), measure the DC input voltage by connecting the leads to the input voltage test
points below the DC input connector. Connect the black lead to the 48V (black) test point; connect the red lead to
the -48V (red) test point. Verify that the voltage is within the range of -40.5 VDC to -60.0 VDC.
4.
If the input voltage is not within the specified range, do not proceed to the next step. Verify
the DC input power source.
Figure 2.9. Connecting the Power Cables (Top Entry)
Since it is recommended that you limit the times the system is powered up and down, proceed to the system
console instructions ( See Section 2.2 Installing the System Console later in this chapter) before completing Step 6.
5.
Turn on the cabinet MAIN power switches. The cabinet power supply lights illuminate, indicating that the system6.
Chapter 2