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Installing Summit Family Switches
Summit Family Switches Hardware Installation Guide
136
Figure 109: Installing a PSU
5 To install an additional PSU, repeat steps 2 through 4.
NOTE
If PSUs 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.
6 Connect the AC power cord to the input connector on the PSU. Then connect the cord to an AC
power outlet.
WARNING!
Always be sure that the source outlet is properly grounded before plugging the AC power cord into the AC PSU.
Installing a Summit X480 DC Power Supply
To install the Summit X480 DC PSU, perform the following tasks in the order listed:
1 Prepare the power cables and ground cable by attaching the provided connection lugs to the cables
(see next section).
2 Insert the PSU into the Summit X480 series switch (see page 138).
3 Connect the ground (see page 139).
4 Have a qualified licensed electrician connect the PSU to the DC source voltage (see page 141).
5 Energize the DC circuit.
WARNING!
To prevent an electrical hazard, make sure that the DC power cord is not connected to the PSU before you install
the PSU in the power supply bay.
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