Artesyn Centellis 4410 (AXP-1410) Installation and Use (July 2014) - Manual (Page 84)

System Installation
AXP 1410 Installation and Use (6806800H70L) 84
9. Break the tagout or lockout seals on the branch circuit or power distribution unit.
10.Apply power by closing the branch circuit or power distribution unit.
The OOS indicator LED will glow solid red and the other LEDs will go dark. The OOS
will not go dark and the IS indicator LED will not illuminate until the external power
circuit breakers are closed.
11.Verify that all FRU LEDs illuminate and the PEM’s IS LED is green, and the OOS LED
is dark.
3.3.3 Grounding the System
Use a 2 AWG wire with a 2-hole copper lug and connect directly to the earth ground point
located on the right side of the back of the shelf; connect the other end of the wire to a reliable
earth ground. Use the torque setting required by the connector supplier. The 2-hole lug
prevents rotation of the lug and ensures a permanent bonding of ground to the shelf.
Figure 3-3 Grounding Lugs