CHAPTER 29
Replacing Switch Fabric Components
•
Replacing an M120 FEB on page 255
Replacing an M120 FEB
To replace a FEB, perform the following procedures:
•
Removing an M120 FEB on page 255
•
Installing an M120 FEB on page 256
Removing an M120 FEB
Six FEBs are installed in the router. The FEBs are located in the rear of the chassis in the
slots marked FEB0 through FEB5. Each FEB weighs approximately 4.5 lb (2.0 kg).
To remove a FEB (see Figure 102 on page 256):
1. Place an electrostatic bag or antistatic mat on a flat, stable surface.
2. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
ESD points on the chassis.
3. Press and hold down the online/offline button on the FEB faceplate until the green
OK LED goes out (about 5 seconds).
4. Loosen the captive screws (using a Phillips (+) screwdriver, number 2) on the ejector
handles on each side of the FEB faceplate.
5. Flip the ejector handles outward to unseat the FEB.
6. Grasp both ejector handles, pull firmly, and slide the FEB about three-quarters of the
way out of the chassis.
7. Place one hand underneath the FEB to support it and slide it completely out of the
chassis. Place it on the antistatic mat.
255Copyright © 2018, Juniper Networks, Inc.
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