Put the provided ESD wrist strap on
your wrist ensuring that the metal contact is touching your skin.
Then attach (snap) one end of the ground cable to the wrist strap and
remove the alligator clip from the banana clip on the other end
of the ESD grounding cable. Plug the banana clip end into one of
the ESD ports located on the front of the chassis before handling
ESD sensitive hardware. For details on the ESD port location, see PA-7050
Front Panel (AC).
Power off the DC power source that is connected to the
failed DC power supply.
Remove the DC power cable from the failed DC power supply
by squeezing the two clips on each side of the plastic connector
and then pull the connector away from the power supply.
Loosen the power supply thumb screw located at the top
left of the power supply.
Pull the power supply ejector handle out and down from
the top center of the power supply to disengage it from the chassis
and then slide the power supply out of the chassis using the power
Remove the replacement power supply from the packaging
and open the front ejector handle until it is fully open.
Slide the new power supply into the empty power supply
slot until it almost fully seated. Ensure that the notch near the hinged
part of the ejector handle inserts into the chassis so that when you
close the handle, it properly seats the power supply.
Tighten the upper left screw on the power supply to secure
the power supply.
Insert the DC power cable back into the power supply
ensuring that the notches line up correctly. The plastic clips on each
side of the connector will clip into place as you seat the cable.
When cabling the DC power supply
to your power source, ensure that you route the cable in such a
way that it does not put pressure on the plastic clips located at
the front of the power supply. It is best to route and secure the
cable first and then plug the cable into the power supply.