JUNOS Internet Software Network Operations Guide: Hardware
594 ! Replacing an SFM
5. Loosen the thumbscrews on the ejector locking tabs joining the two SFM
boards.
6. Flip the ends of the ejector handles outward.
7. Grasp the handles, pull firmly on the SFM, and slide the unit about
three-quarters of the way out of the chassis.
8. Move one of your hands underneath the SFM to support it, and slide it
completely out of the chassis.
9. Hold the new SFM by placing one hand underneath to support it and the other
hand on one of the ejector handles on the front of the unit.
10. Align the rear of the SFM with the guides inside the chassis.
11. Slide the unit completely into the chassis.
12. Press the ejector handles on the left and right sides of the SFM inward.
13. Tighten the thumbscrews on the ejector locking tabs.
14. Press the offline button on the SFM faceplate and hold it down until the green
OK LED lights (about 5 seconds).
15. Reinstall the rear component cover and tighten the screws on the covers of the
corner to secure it to the chassis.
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