Perform an SFM Swap Test
Purpose To verify SFM failure by performing an SFM swap test.
CAUTION: Before performing a swap test, always check for bent pins in the
midplane and check the SFM for stuck pins in the connector. Pins stuck in
the component connector can damage other good slots during a swap test.
Action To perform a swap test on an SFM:
1. Remove the chassis rear component cover by loosening the screws on the corners of
the cover and pulling it straight out from the chassis.
2. Take the SFM offline by doing one of the following:
• Use the following command:
user@host> request chassis sfm slot slot-number offline
• Press and hold the offline button on the SFM faceplate at the rear of the router until
the SFM OK LED turns off (about 5 seconds).
3. Remove the SFM, as described in the M40e and M160 router hardware guides.
4. Replace the SFM with one that you know works.
5. Bring the SFM online by doing one of the following:
• Use the following command:
user@host> request chassis sfm slot slot-number online
• Press and hold the offline button on the SFM faceplate until the green OK LED lights
(about 5 seconds).
6. Reinstall the rear component cover and tighten the screws to secure it to the chassis.
7. Check the SFM status.
Obtain SFM Hardware Information
To get the hardware information you need to return a failed SFM:
1.
Display SFM Hardware Information on page 451
2.
Locate the SFM Serial Number ID Label on page 452
Display SFM Hardware Information
Purpose To display the SFM hardware information.
Action To display the SFM hardware information, use the following command:
451Copyright © 2012, Juniper Networks, Inc.
Chapter 18: Monitoring the SFMs
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