Wiring A 48 V Dc Electrical Connector Block - Cisco Nexus 9332PQ Hardware Installation Manual
Nx-os-mode switch
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- Quick start manual (6 pages) ,
- Hardware installation manual (74 pages)
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Replacing Components
Before You Begin
• The circuit breaker for the DC power source for the power supply must be turned off.
• The power supply that you are installing must be capable of using the same airflow direction as the fan
• A DC power source must be within reach of the power cable that will be used with the replacement
• There must be an earth ground connection to the chassis that you are installing the replacement module.
Step 1
If the power supply slot has a blank filler panel, remove it from the slot by moving its release latch to the left and pulling
the panel out of the slot.
Step 2
Holding the replacement power supply with one hand underneath the module and the other hand holding the handle,
align the back end of the power supply (the end with the electrical connections) to the open power supply slot and slide
the power supply all the way into the slot until it clicks into place.
Step 3
If the DC power cables and a grounding cable are already connected to an electrical connector block, insert the block
into the power receptacle on the power supply.
If the electrical cables have not been connected to the electrical connector block, wire them as described in
V DC Electrical Connector Block, on page
Step 4
Turn on the circuit breaker for the DC power source connected to the power supply.
Step 5
Verify that the power supply
Wiring a 48 V DC Electrical Connector Block
You must connect the ground, negative, and positive DC power cables to a connector block in order to connect
the power cables to a 48 V DC power supply.
The recommended wire gauge is 8 AWG. The minimum wire gauge is 10 AWG.
Note
Warning
Statement 342—Before Connecting to System Power Supply
High leakage current earth connection essential before connecting to system power supply.
trays installed in the same switch
power supply. If you are using n+n power redundancy, there must be a separate power source for each
power supply installed in the chassis. Otherwise, only one power source is required.
To ground the chassis, see
Grounding the Chassis, on page
37.
LED turns on and becomes green.
Cisco Nexus 9332PQ NX-OS-Mode Switch Hardware Installation Guide
Installing a DC Power Supply
19.
Wiring a 48
37
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