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Powering Up the Switch
2
Step 3
Secure the grounding lug to the chassis grounding pad with two M4 screws, see the previous figure. Tighten the screws
to 11 to 15 in-lb (1.24 to 1.69 N·m) of torque.
Step 4
Prepare the other end of the grounding wire and connect it to the facility ground.
Powering Up the Switch
To power up the switch, you must connect the power supplies to one or two power sources. The number of
power sources used depends on the type of power redundancy that you require as follows:
• For no power redundancy, connect only the power supplies to one power source.
• For n+1 redundancy, connect the power supplies to one or two power sources.
• For n+n redundancy, connect each power supply to a different power source (two power sources required).
Statement 7012 Equipment Interfacing with AC Power Ports
This equipment shall be connected to AC mains provided with a surge protective device (SPD) at the service
equipment complying with NFPA 70, the National Electrical Code (NEC).
Warning
Statement 1004 Installation Instructions
Read the installation instructions before using, installing or connecting the system to the power source.
Warning
Statement 1018 Supply Circuit
To reduce risk of electric shock and fire, take care when connecting units to the supply circuit so that wiring
is not overloaded.
Before you begin
• Switch installed in a rack and connected to an earth ground
• Recommended power cable for your nation or region
• Power source with the required amperage located within reach of the power cable being used
Connect each power supply to a power source as follows:
Cisco Nexus 93128TX ACI-Mode Switch Hardware Installation Guide
26
Grounding cable, with 0.75
in. (19 mm) of insulation that
is stripped from one end,
which is inserted into the
grounding lug and crimped
in place
Installing the Chassis
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