a.
Remove end cap.
The first digit continues to blink.
b.
Press and hold shelf ID button until 1st digit blinks, then push to advance to 0-9.
c.
Press and hold shelf ID button until 2nd digit blinks, then push to advance to 0-9.
The first digit stops blinking, and the second digit continues to blink.
d.
Replace end cap.
e.
Wait 10 seconds for the Amber LED (!) to appear, then power-cycle the drive shelf to
set shelf ID.
Repeat these steps for any remaining drive shelves. Make sure that each expansion
shelf has a unique shelf ID.
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