5. Tighten the captive screws on the ejector handles, using a Phillips (+) screwdriver,
number 2.
6. To verify that the CB is functioning normally, check the LEDs on its faceplate. The
green OK LED should light steadily a few minutes after the CB is installed. If the FAIL
LED is lit steadily, remove and install the CB again. If the FAIL LED still lights steadily,
the CB is not functioning properly. Contact your customer support representative.
To check the status of the CB, use the CLI command:
user@host> show chassis environment cb
Figure 75: Installing an M120 CB
See Also M120 Control Board (CB) Description on page 47•
• M120 Control Board (CB) LEDs on page 48
Related
Documentation
M120 Control Board (CB) Description on page 47•
• M120 Control Board (CB) LEDs on page 48
205Copyright © 2018, Juniper Networks, Inc.
Chapter 26: Replacing Host Subsystem Components
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