4 Carefully slide the power supply all the way into the power supply bay.
Figure 149: Installing a Power Supply
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.
Note
If power supplies are not installed in both power supply bays, be sure to install a cover
over the unoccupied bay. Unoccupied bays must always be covered to maintain proper
system ventilation and EMI levels.
7 Connect the ground wire, following the steps in Connecting the Ground Wire to a 550 W DC Power
Supply on page 197.
Connecting the Ground Wire to a 550 W DC Power Supply
You need a #1 Phillips screwdriver to secure the ground wire to the 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.
To connect the ground wire to a Summit 550 W DC power supply, follow these steps:
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 Slide the cover o the terminal block.
4 Identify the grounding point at the left of the terminal block.
See Figure 150.
Installing Your Extreme Networks Switch
ExtremeSwitching and Summit Switches: Hardware Installation Guide 197
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