Grounding The Cisco Nexus 5548P Chassis - Cisco 5000 Series Hardware Installation Manual

Grounding the Cisco Nexus 5548P Chassis

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Grounding the Cisco Nexus 5548P Chassis
The chassis has a grounding pad with two threaded M4 holes for attaching a grounding lug. The location
of the system ground on the Cisco Nexus Cisco Nexus 5548P switch is identical to that on the Cisco
Nexus 5000 Series switch.
For the procedure on how to ground the Cisco Nexus 5000 Series switch chassis, see page x-x.
Note
When installing or replacing the unit, the ground connection must always be made first and
Warning
disconnected last. Statement 1046
We recommend grounding the chassis, even if the rack is already grounded.
Caution
All power supplies must be grounded. The receptacles of the AC power cables used to provide power to
Caution
the chassis must be the grounding type, and the grounding conductors should connect to protective earth
ground at the service equipment.
When installing or replacing the unit, the ground connection must always be made first and
Warning
disconnected last. 
Statement 1046
Grounding the chassis is required if you are using DC power supplies, even if the rack is already
Caution
grounded. A grounding pad with two threaded M4 holes is provided on the chassis for attaching a
grounding lug. The ground lug must be NRTL listed. In addition, the copper conductor (wires) must be
used and the copper conductor must comply with NEC code for ampacity.
To attach the grounding lug and cable to the chassis, follow these steps:
Use a wire-stripping tool to remove approximately 0.75 inches (19 mm) of the covering from the end of
Step 1
the grounding cable.
Insert the stripped end of the grounding cable into the open end of the grounding lug.
Step 2
Cisco Nexus 5000 Series Hardware Installation Guide
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S e n d c o m m e n t s t o n 5 k d o c s @ c i s c o . c o m
Grounding wire—Not supplied as part of accessory kit. The grounding wire should be sized
according to local and national installation requirements. Depending on the power supply and
system, a 12 AWG to 6 AWG copper conductor is required for U.S. installations. Commercially
available 6 AWG wire is recommended. The length of the grounding wire depends on the proximity
of the switch to proper grounding facilities.
No. 1 Phillips screwdriver.
Crimping tool to crimp the grounding wire to the grounding lug.
Wire-stripping tool to remove the insulation from the grounding wire.
Chapter 3 Installing the Cisco Nexus 5500 Platform or 5000 Series Switch
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