S e n d d o c u m e n t c o m m e n t s t o n e x u s 7 k - d o c f e e d b a c k @ c i s c o . c o m
9-9
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-06
Chapter 9 Replacement Procedures
Replacing a DC Power Supply Unit During Operations
Warning
Hazardous voltage or energy may be present on DC power terminals. Always replace cover when
terminals are not in service. Be sure uninsulated conductors are not accessible when cover is in
place.
Statement 1075
Step 6
For each of the power plugs attached to the DC power supply unit, completely unscrew the two screws
that hold it to the power supply unit, and then remove the plug from the power supply unit.
Step 7
Disconnect the grounding lug from the lower front side of the power supply unit by unscrewing the two
M6 nuts and removing the lug from the power supply unit. For the location of the grounding pad on the
DC power supply unit, see
Warning
When installing or replacing the unit, the ground connection must always be made first and
disconnected last.
Statement 1046
Step 8
Holding the power supply handle with one hand, slide the power supply part of the way out of the
chassis. Place your other hand underneath the power supply unit to support its weight and slide the power
supply unit completely out of the chassis.
Step 9
Place the power supply unit on an antistatic mat or repack it in the box for its replacement unit as shown
in
.
Figure 9-3
Packing a DC Power Supply Unit