Acer Network Device Altos R520 - Manual (Page 87)

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To install a second power supply module:
1 Remove the top cover. Perform the instructions described in “To
remove the top cover” section on page 43.
2 If a filler panel is installed, use the finger hole to remove the filler
panel out of the bay (A).
3 Insert the power supply module into the right bay, labeled power
supply bay 2, until it locks into place.
4 Verify that the LED on the power supply are functioning. Refer to
the “Hot-plug power supply module LED indicator” on page 26
for more information.
TP02242
TP02243