Grounding The Piu - Cisco Nexus 7000 Hardware Installation And Reference Manual

Chapter 6 Installing Power Supplies
Figure 6-13
1

Grounding the PIU

To ground the PIU, follow these steps:
Unscrew the two M6 nuts that hold the grounding lug to the PIU and remove the grounding lug from the
Step 1
PIU.
Use a wire-stripping tool to remove approximately 0.75 inch (19 mm) of the insulation from the end of
Step 2
the 6 AWG grounding wire that you provide.
Insert the stripped end of the grounding wire into the open end of the grounding lug as shown in
Step 3
Figure 6-1 on page
Use the crimping tool to crimp the lug to the 6 AWG grounding wire. Verify that the grounding wire is
Step 4
securely attached to the grounding lug by attempting to pull the wire out of the crimped lug.
Secure the grounding lug to the grounding pad threaded studs with the two M6 nuts and tighten them to
Step 5
40 in-lb (4.5 N·m).
grounding lug and the grounding wire do not interfere with other PIU equipment.
OL-23069-07
Fastening the PIU to a Rack
On each side, fasten two M6 x 19 mm or two
12-24 x 3/4 inch screws (total of four screws
for the PIU) and tighten to 40 in-lb (4.5 N·m).
6-9.
Figure 6-14 shows the location of the grounding pads on the PIU. Ensure that the
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
Connecting a DC Power Supply to DC Power Sources
6-25