Extreme Networks Summit X150 Series Hardware Installation Manual page 195

3 Verify that the PSU is right side up, with the latching tab at the left of the unit (see
4 Carefully slide the PSU all the way into the power supply bay (see
the latch snaps into place.
CAUTION
Do not slam the PSU into the switch.
Figure 156: Installing a PSU
5 To install a second 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.
Summit Family Switches Hardware Installation Guide
Figure
Figure 156). Push the PSU in until
SH_138
156).
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