Juniper MX240 Hardware Manual page 143

Copyright © 2013, Juniper Networks, Inc.
the remaining fans to maintain proper cooling. A red alarm is triggered when a fan fails,
and a yellow alarm and red alarm is triggered when a fan tray is removed.
To display the status of the cooling system, issue the
command. The output is similar to the following:
user@host> show chassis environment
Temp PEM 0
PEM 1
PEM 2
PEM 3
Routing Engine 0
Routing Engine 1
CB 0 Intake
CB 0 Exhaust A
CB 0 Exhaust B
CB 0 ACBC
CB 0 SF A
CB 0 SF B
CB 1 Intake
CB 1 Exhaust A
CB 1 Exhaust B
CB 1 ACBC
CB 1 SF A
CB 1 SF B
FPC 1 Intake
FPC 1 Exhaust A
FPC 1 Exhaust B
FPC 1 I3 0 TSensor
FPC 1 I3 0 Chip
FPC 1 I3 1 TSensor
FPC 1 I3 1 Chip
FPC 1 I3 2 TSensor
FPC 1 I3 2 Chip
FPC 1 I3 3 TSensor
FPC 1 I3 3 Chip
FPC 1 IA 0 TSensor
FPC 1 IA 0 Chip
FPC 1 IA 1 TSensor
FPC 1 IA 1 Chip
FPC 2 Intake
FPC 2 Exhaust A
FPC 2 Exhaust B
FPC 2 I3 0 TSensor
FPC 2 I3 0 Chip
FPC 2 I3 1 TSensor
FPC 2 I3 1 Chip
FPC 2 I3 2 TSensor
FPC 2 I3 2 Chip
FPC 2 I3 3 TSensor
FPC 2 I3 3 Chip
FPC 2 IA 0 TSensor
FPC 2 IA 0 Chip
FPC 2 IA 1 TSensor
FPC 2 IA 1 Chip
Fans Front Fan
Middle Fan
Rear Fan
Chapter 12: Maintaining MX240 Router Hardware Components
show chassis environment
OK 45 degrees C / 113 degrees F
OK 45 degrees C / 113 degrees F
Absent
Absent
OK 42 degrees C / 107 degrees F
Present
OK 40 degrees C / 104 degrees F
OK 37 degrees C / 98 degrees F
OK 42 degrees C / 107 degrees F
OK 41 degrees C / 105 degrees F
OK 49 degrees C / 120 degrees F
OK 44 degrees C / 111 degrees F
OK 39 degrees C / 102 degrees F
OK 37 degrees C / 98 degrees F
OK 42 degrees C / 107 degrees F
OK 40 degrees C / 104 degrees F
OK 49 degrees C / 120 degrees F
OK 43 degrees C / 109 degrees F
OK 33 degrees C / 91 degrees F
OK 39 degrees C / 102 degrees F
OK 52 degrees C / 125 degrees F
OK 50 degrees C / 122 degrees F
OK 54 degrees C / 129 degrees F
OK 47 degrees C / 116 degrees F
OK 50 degrees C / 122 degrees F
OK 46 degrees C / 114 degrees F
OK 49 degrees C / 120 degrees F
OK 43 degrees C / 109 degrees F
OK 48 degrees C / 118 degrees F
OK 48 degrees C / 118 degrees F
OK 49 degrees C / 120 degrees F
OK 45 degrees C / 113 degrees F
OK 50 degrees C / 122 degrees F
OK 33 degrees C / 91 degrees F
OK 40 degrees C / 104 degrees F
OK 54 degrees C / 129 degrees F
OK 52 degrees C / 125 degrees F
OK 54 degrees C / 129 degrees F
OK 49 degrees C / 120 degrees F
OK 50 degrees C / 122 degrees F
OK 48 degrees C / 118 degrees F
OK 51 degrees C / 123 degrees F
OK 44 degrees C / 111 degrees F
OK 46 degrees C / 114 degrees F
OK 49 degrees C / 120 degrees F
OK 50 degrees C / 122 degrees F
OK 48 degrees C / 118 degrees F
OK 52 degrees C / 125 degrees F
OK Spinning at intermediate-speed
OK Spinning at intermediate-speed
OK Spinning at intermediate-speed
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