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Removing a Routing Engine from an M20 Router

To remove a Routing Engine from an M20 router:

  1. Place an electrostatic bag or antistatic mat on a flat, stable surface to receive the Routing Engine.
  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. Make sure the router is attached to a proper earth ground.
  3. If two Routing Engines are installed, check whether the Routing Engine you are removing is the master. If so, switch mastership to the standby Routing Engine. For instructions, see Switching Routing Engine Mastership on an M20 Router.
  4. Use one of the following methods to request a system halt on the M20 router:
  5. If applicable, loosen the screws on the extractor clips at either end of the Routing Engine faceplate, using a Phillips screwdriver.
  6. Using your thumbs, push and hold the red tab on each extractor clip toward the outer edge of the unit. Push the ends of the extractor clips outward to unseat the Routing Engine from the chassis.
  7. Grasp the extractor clips and slide the unit about halfway out of the chassis.

    Caution: Slide the Routing Engine straight out of the chassis. Damage can result if the Routing Engine gets lodged because of uneven movement.

  8. Place one hand under the Routing Engine to support it, slide it completely out of the chassis, and place it on the antistatic mat or in the electrostatic bag.

Figure 5: Removing a Routing Engine from an M20 Router

Image g001117.gif

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