Installation Guide

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 Connecting the Ground Wire to a 450 W or 550 W DC
Power Supply on page 355.
Connecting the Ground Wire to a 450 W or 550 W DC Power Supply
To connect the ground wire to the 450 W or 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 o the terminal block.
3. Identify the grounding point on the front panel of the power supply.
See Figure 294.
Figure 294: Connecting the Ground Wire
1 = Grounding point
2 = Ground wire
4. Connect the ground wire to the grounding point as follows:
a. Loosen the screw enough to allow the spade terminal to slide underneath the captive square
washer (see Figure 295).
b. Slide the spade terminal of the ground wire under the captive square washer.
Replacing DC Power Supplies
Connecting the Ground Wire to a 450 W or 550 W DC
Power Supply
ExtremeSwitching Hardware Installation Guide 355