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Summit Family Switches Hardware Installation Guide
141
Figure 114: Securing the Ground Wire
6 Connect the other end of the wire to a known reliable earth ground point at your site.
Connecting the PSU to the DC Source Voltage
The DC power connection at your facility must be made by a qualified electrician, following the
instructions in this section.
WARNING!
Always make sure that the DC circuit is de-energized before connecting or disconnecting the DC power cables on the
Summit X480 DC PSU.
CAUTION
Provide proper connection and strain relief on the DC power cables in accordance with all local and national
electrical codes.
To connect the DC power input cables:
1 Verify that the DC circuit is de-energized.
2 Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to an appropriate
ground point on the rack.
3 Connect the DC power input cables as follows:
a On each terminal, loosen the screw enough to allow the spade terminal to slide underneath the
captive square washer (Figure 115).
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