Replace HVAC/HCDC Power Supply
Before you begin
• The power source must be installed within reach of the power cables.
• The power source must meet the power specifications required by the switch.
• There are one or two power sources available. If using n+n redundancy, there must be two power sources
available. Otherwise, only one power source is required.
Step 1 Open the packaging for the new HVAC/HVDC power supply and inspect the module for damage.
If the module is damaged, contact the Technical Assistance Center (TAC).
Step 2 If you are installing the module in an empty slot, remove the blank filler plate that is already in that slot by unscrewing
its captive screw and pulling it out of the slot.
Go to Step 4.
Step 3 If you are replacing a power supply that is currently in the chassis, remove the existing module from the chassis by
following these steps:
Hardware Installation Guide for Cisco NCS 5500 Series Modular Routers
124
Replace Chassis Components
Replace HVAC/HCDC Power Supply
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