Extreme Networks ExtremeSwitching X440-G2 Series Hardware Installation Manual page 289

2 Carefully slide the power supply all the way into the power supply bay.
See Figure 229.
Figure 229: Installing a 550 W DC Power Supply
3 Push the power supply in until the latch snaps into place.
Caution
Do not slam the power supply into the switch.
4 Reconnect the ground wire as described in
Supply on page 289.
Connecting the Ground Wire to a 550 W DC Power Supply
To connect the ground wire to the 550 W DC power supply:
Warning
Be sure to connect the chassis ground wire before you connect any power cables.
1 Verify that the DC circuit is de-energized.
2 Pull the cover off the terminal block.
3 Identify the grounding point on the front panel of the power supply.
See Figure 230.
ExtremeSwitching and Summit Switches: Hardware Installation Guide
Connecting the Ground Wire to a 550 W DC Power
Replacing DC Power Supplies
289