Installation guide

Installing Power Supplies in the BlackDiamond 20808 Switch
BlackDiamond 20808 Switch Hardware Installation Guide
68
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.
You need a 3/8-inch driver to tighten the nut on the grounding post.
To connect the ground 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 the ground
receptacle on the top right corner of the switch front panel.
3 Connect the ground as follows:
a Slide the lug on the green wire over the grounding post on the PSU (Figure 36).
b Attach the provided nut and lock washer to the grounding post and tighten them to 10 inch-
pounds.
c Connect the other end of the wire to a known reliable earth ground point at your site.
Figure 36: Connecting the Ground Wire
BD_183