Juniper MX240 Hardware Manual page 399

Figure 141: Installing a Switch Control Board in the MX480
6. Check the LEDs on the Switch Control Board faceplate to verify that it is functioning normally.
The green OK/FAIL LED should light steadily a few minutes after the Switch Control Board is installed.
If the OK/FAIL LED is red, remove and install the Switch Control Board again. If the OK/FAIL LED
still lights steadily, the Switch Control Board is not functioning properly. Contact your customer
support representative.
7. Check the status of the Switch Control Board using the show chassis environment cb command:
user@host> show chassis environment cb
CB 0 status:
State
Temperature
Power 1
1.2 V
1.5 V
1.8 V
2.5 V
3.3 V
5.0 V
12.0 V
1.25 V
3.3 V SM3
5 V RE
12 V RE
Power 2
11.3 V bias PEM
4.6 V bias MidPlane
11.3 V bias FPD
11.3 V bias POE 0
11.3 V bias POE 1
Online Master
25 degrees C / 77 degrees F
1198 mV
1508 mV
1830 mV
5059 mV
6593 mV
5111 mV
12181 mV
1250 mV
6587 mV
5078 mV
12026 mV
11253 mV
4827 mV
11408 mV
11446 mV
11408 mV
403