Cisco Nexus 7000 Series Hardware Installation And Reference Manual page 148

Connecting a DC Power Supply Unit to DC Power Sources
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
Figure 5-11
1
Prepare the other end of the grounding wire and connect it to an appropriate grounding point in your site
Step 6
to ensure an adequate earth ground for the PIU.
Connecting the DC Power Supply Unit to a Power Source through a PIU
Before you begin connecting the DC power supply unit, make sure that the power supply unit and the
PIU are located so that you can connect them with a 4.6-meter (15 foot) power cable.
The power cables required for each DC power supply unit are shipped with the DC power supply unit.
Note
If you do not have the correct cables, contact Cisco TAC.
Read the installation instructions before connecting the system to the power source. Statement 1004
Warning
To connect the DC power supply unit directly to DC power sources, follow these steps:
Step 1 Make sure that the power is turned off for the portion of the DC grid power that you are connecting to.
Make sure that the power supply unit is set to standby by moving the power switch to STBY.
Step 2
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
5-16
Grounding the PIU
Place the grounding lug on grounding
posts.
Chapter 5
2
Fasten the lug to the PIU using two M6 nuts and
tighten to 40 in-lb (4.5 N·m).
Installing Power Supply Units
OL-23069-06