Extreme Networks ExtremeSwitching X440-G2 Series Hardware Installation Manual page 189

5 Push the power supply in until the latch snaps into place.
Caution
Do not slam the power supply into the switch.
6 To install a second power supply, repeat the procedure.
7 Connect the ground wire, following the steps in
Supply on page 189.
Connecting the Ground Wire to a 300 W DC Power Supply
Follow these steps to connect the ground wire to a Summit 300 W DC power supply.
Warning
Be sure to connect the chassis ground wire before you connect any power cables.
Warning
Be sure to disconnect the ground wire after you disconnect all power 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 Pull the cover off the terminal block.
4 Identify the grounding point on the front panel of the power supply.
5 Connect the ground wire to the grounding point as follows:
a Insert a 6-32 UNC screw (provided) through the ring terminal and into the grounding point on
the power supply.
See Figure 142.
Figure 142: Connecting the Ground Wire (Front-to-Back Model 10933 Shown)
ExtremeSwitching and Summit Switches: Hardware Installation Guide
Installing Your Extreme Networks Switch
Connecting the Ground Wire to a 300 W DC Power
189