Wiring A 48 V Dc Electrical Connector Block - Cisco Nexus 93180YC-FX3 Hardware Installation Manual

Replacing Components
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 3
Turn on the circuit breaker for the DC power source connected to the power supply.
Step 4 Verify that the power supply is operational by making sure that the power supply LED is green. For information on what
the power supply LEDs indicate, see

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.
Note The recommended wire gauge is 8 AWG. The minimum wire gauge is 10 AWG.
Warning <!--rcsi-show-stmt-number-->Statement 342 Before Connecting to System Power Supply
High touch/leakage current – Permanently connected protective earth ground is essential before connecting
to system power supply.
Warning Statement 1024 Ground Conductor
This equipment must be grounded. To reduce the risk of electric shock, never defeat the ground conductor or
operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical
inspection authority or an electrician if you are uncertain that suitable grounding is available.
Before you begin
You must turn off the circuit breaker for the DC power cables that you are connecting to prevent electrocution.
Step 1 Verify that the circuit breaker for the power feed to the replacement power supply is turned off.
Step 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.
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.
35.
Power Supply LEDs, on page
Cisco Nexus 93180YC-FX3 NX-OS Mode Switch Hardware Installation Guide
Wiring a 48 V DC Electrical Connector Block
48.
Wiring a 48
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