Connecting The Ground Cable - Extreme Networks Summit X150 Series Hardware Installation Manual

Figure 137: Installing a Summit X650 DC PSU
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5 To install more PSUs, repeat steps 3 and 4.

Connecting the Ground Cable

WARNING!
Be sure to connect the chassis ground wire before you connect any power cables.
Be sure to disconnect the ground wire after you disconnect all power cables.
To connect the ground wire:
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 Identify the grounding point on the front panel of the PSU (see Figure 138).
4 Insert an M3.5 screw (provided) through the ring terminal and into the grounding point on the PSU.
5 Tighten the screw to 12.6 inch-pounds.
6 Connect the other end of the wire to a known reliable earth ground point at your site.
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