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Replacing an M10i AC Power Cord

 

An AC-powered router has up to three load-sharing AC power supplies. The router must have at least two AC power supplies, and any two AC power supplies can provide full power to the router. Three power supplies are required for redundancy. An AC power cord on a redundant power supply is hot-removable and hot-insertable, as described in M10i Field-Replaceable Units (FRUs). For M10i routers with only two AC power supplies, you must power off the router before replacing an AC power cord.

  1. Removing an M10i AC Power Cord

  2. Installing an M10i AC Power Cord

Removing an M10i AC Power Cord

To remove an AC power cord:

  1. Switch off the dedicated customer site circuit breaker for the power supply, and remove the power cord from the AC power source. Follow the instructions for your site.
  2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  3. Switch the power switch on the power supply faceplate to the OFF (O) position.
  4. Remove the appliance coupler end of a AC power cord from the appliance inlet on the power supply faceplate.

Installing an M10i AC Power Cord

To install an AC power cord:

  1. Locate an AC power cord with a plug appropriate for your geographical location (see M10i AC Power Cord Specifications).
  2. Verify that the power switch on the power supply faceplate is in the OFF (O) position.
  3. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  4. Insert the appliance coupler end of a AC power cord into the appliance inlet on a power supply faceplate.
  5. Detach the ESD grounding strap from the ESD points on the chassis, and connect the strap to an approved site ESD grounding point. Follow the instructions for your site.
  6. Switch on the dedicated customer site circuit breaker for the power supply, and insert the plug into an AC power source receptacle. Follow the instructions for your site.
  7. Detach the ESD grounding strap from the approved site ESD grounding point, and connect the strap to the ESD points on the chassis.
  8. Switch the power switch on the power supply to the on (|) position.
  9. Observe the OUTPUT OK LEDs on the AC power supply faceplate. If the power supply is correctly installed and functioning normally, the OUTPUT OK lights steadily.
  10. Verify that the AC power cord does not block access to router components or drape where people could trip on it.