You can have a mix of AC power supplies and HVAC/HVDC power supplies in a chassis.
Note
Before you begin
• The AC or DC power source must be turned off at its circuit breaker.
• The power switch on the power supply must be turned off (power switch set to 0).
• The AC power sources are rated as follows:
• For North American installations—20A with 200-240V circuits.
• For international installations—size the circuits by local and national standards.
Step 1 Open the packaging for the new 3-kW Universal AC/DC power supply and inspect the module for damage.
If the module is damaged, contact the Technical Assistance Center (TAC).
Step 2 For AC input, connect an AC power cable to the AC power source.
Step 3 For DC input, connect a Saf-D-Grid/Saf-D-Grid DC cable to a Saf-D-Grid receptacle, otherwise:
a) Connect the ground terminal ring on the power cable to the ground terminal on the DC power source. Secure it in
place with a nut tightened to the appropriate torque setting for the terminal post.
b) Connect the negative terminal ring on the power cable to the negative (-) terminal on the DC power source. Secure
it in place with a nut tightened to the appropriate torque setting for the terminal post.
c) Connect the positive terminal ring on the power cable to the negative (+) terminal on the DC power source. Secure
it in place with a nut tightened to the appropriate torque setting for the terminal post.
Cisco Nexus 9508 NX-OS Mode Switch Hardware Installation Guide
102
Replacing or Installing Modules, Fan Trays, and Power Supplies
Installing or Replacing a 3.15-kW Dual Input Universal AC/DC Power Supply
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