Juniper MX2020 Hardware Manual page 523

Figure 228: Installing an MX2020 CB-RE
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9. Check the LEDs on the CB-RE faceplate to verify that it is functioning normally.
The green OK/FAIL LED should light steadily a few minutes after the CB-RE is installed.
If the OK/FAIL LED is red, remove and install the CB-RE again. If the OK/FAIL LED still lights steadily,
the CB-RE is not functioning properly. Contact your customer support representative. See
Customer Support" on page
10. Check the status of the CB-RE using the show chassis environment cb command:
user@host> show chassis environment cb
CB 0 status:
State
IntakeA-Zone0 Temperature
IntakeB-Zone1 Temperature
IntakeC-Zone0 Temperature
ExhaustA-Zone0 Temperature 26 degrees C / 78 degrees F
ExhaustB-Zone1 Temperature 28 degrees C / 82 degrees F
TCBC-Zone0 Temperature
Power 1
1.0 V
19
705.
Online Master
25 degrees C / 77 degrees F
29 degrees C / 84 degrees F
28 degrees C / 82 degrees F
32 degrees C / 89 degrees F
1008 mV
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