Cisco Nexus 93120TX Installation Manual page 53

Nx-os mode switch hardware

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Replacing Modules

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.

Step 3

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

Step 4

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

Figure 14: Wiring a 930W -48VDC Power Supply Connector Block

Wire retainer lever

Orange plastic button on top of the connector

-48V Return (+DC) cable

Step 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.

Step 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.

Step 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.

Step 8

Insert the connector block back into the power supply. Make sure that your red (DC positive) wire aligns with the power

supply label, "+ DC".

Step 9

Verify that the other ends of the cables are attached to the DC power source and ground. You are then ready to turn on

the DC power source.

-48V (-DC) cable

Grounding cable (8 AWG recommended)

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

Installing a DC Power Supply

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