Juniper EX2300 Series Hardware Manual page 256

CAUTION: To prevent the switch from overheating, do not operate it in an area that
exceeds the maximum recommended ambient temperature. To prevent airflow
restriction, allow at least 6 inches (15.2 cm) of clearance around the ventilation
openings.
1. Connect to the switch by using Telnet and issue the
displays environmental information about the switch chassis, including the temperature, and
information about the fans, power supplies, and Routing Engines. Following is a sample output on an
EX9208 switch. The output is similar on other EX Series switches.
show chassis environment (EX9208 Switch)
user@switch> show chassis environment
Class Item
Temp PEM 0
PEM 1
PEM 2
PEM 3
Routing Engine 0
Routing Engine 0 CPU
Routing Engine 1
Routing Engine 1 CPU
CB 0 Intake
CB 0 Exhaust A
CB 0 Exhaust B
CB 0 ACBC
CB 0 XF A
CB 0 XF B
CB 1 Intake
CB 1 Exhaust A
CB 1 Exhaust B
CB 1 ACBC
CB 1 XF A
CB 1 XF B
FPC 3 Intake
FPC 3 Exhaust A
FPC 3 Exhaust B
FPC 3 XL TSen
FPC 3 XL Chip
FPC 3 XL_XR0 TSen
show chassis environment
Status Measurement
OK 40 degrees C / 104 degrees F
OK 40 degrees C / 104 degrees F
Absent
Absent
OK 37 degrees C / 98 degrees F
OK 35 degrees C / 95 degrees F
Absent
Absent
OK 36 degrees C / 96 degrees F
OK 34 degrees C / 93 degrees F
OK 40 degrees C / 104 degrees F
OK 39 degrees C / 102 degrees F
OK 46 degrees C / 114 degrees F
OK 45 degrees C / 113 degrees F
Absent
Absent
Absent
Absent
Absent
Absent
OK 48 degrees C / 118 degrees F
OK 46 degrees C / 114 degrees F
OK 51 degrees C / 123 degrees F
OK 67 degrees C / 152 degrees F
OK 58 degrees C / 136 degrees F
OK 67 degrees C / 152 degrees F
command. This command
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