Cisco Nexus 93120TX Installation Manual page 38

Nx-os mode switch hardware

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Powering Up the Switch

2 Rotate the cable retention clip on the power supply over the C13 plug to prevent accidental unplugging of the

cable.

3 Connect the other end of the power cable to the AC power source.

Verify that the

If the LED is off, check the AC power source circuit breaker to be sure that it is turned on.

• Connecting a DC power supply:

1 Verify that the circuit breaker for the DC power source you are connecting is turned off.

2 Remove the DC power connector block from the power supply by doing the following:

a Push the orange plastic button on the top of the connector block inward toward the power supply.

b Pull the connector block out of the power supply.

3 Strip 0.6 inches (15 mm) of insulation off the DC wires that you are using.

4 Orient the connector as shown in the following figure with the orange plastic button on top.

Figure 10: Wiring a 930W -48VDC Power Supply Connector Block

Wire retainer lever

Orange plastic button on top of the connector

-48V Return (+DC) cable

5 Use a small screwdriver to depress the spring-loaded wire retainer lever on the lower spring-cage wire connector.

Insert your green (ground) wire into the aperture and then release the lever.

6 Use a small screwdriver to depress the spring-loaded wire retainer lever on the middle spring-cage wire connector.

Insert your black (DC negative) wire into the aperture and then release the lever.

7 Use a small screwdriver to depress the spring-loaded wire retainer lever on the upper spring-cage wire connector.

Insert your red (DC positive) wire into the aperture and then release the lever.

Cisco Nexus 93120TX NX-OS Mode Switch Hardware Installation Guide

LED is on and green.

-48V (-DC) cable

Grounding cable (8 AWG recommended)

Installing the Chassis

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