Juniper PTX5000 Hardware Manual page 599

SIB 4 Junction
SIB 5 Exhaust
SIB 5 Junction
SIB 6 Exhaust
SIB 6 Junction
SIB 7 Exhaust
SIB 7 Junction
SIB 8 Exhaust
SIB 8 Junction
5. Look at the PDU and PSM LEDs on the craft interface.
6. If both PDUs fail, the system temperature might have exceeded the threshold, causing the system to
shut down. If the temperature exceeds the acceptable maximum, the Control Board turns off the
PDUs.
7. Check the temperature of components that are monitored for temperature alarms by issuing the show
chassis environment monitored command. For more information about temperature alarms, see
on page 589.
Verify that the status of each component is OK.
NOTE: Exhaust A, Exhaust B, TL
sensors located on the respective hardware component.
The output is similar to the following:
user@host> show chassis environment monitored
Class Item
Routing Engine 0 CPU
Routing Engine 1 CPU
CB 0 Exhaust A
CB 0 Exhaust B
CB 1 Exhaust A
CB 1 Exhaust B
SIB 0 Exhaust
SIB 0 Junction
75 80 90
60 65 78
75 80 90
60 65 78
75 80 90
60 65 78
75 80 90
60 65 78
75 80 90
n , TQ n , Ambient, Exhaust, and Junction correspond to temperature
Status Measurement
OK 69 degrees C / 156 degrees F
OK 60 degrees C / 140 degrees F
OK 44 degrees C / 111 degrees F
OK 40 degrees C / 104 degrees F
OK 38 degrees C / 100 degrees F
OK 35 degrees C / 95 degrees F
OK 36 degrees C / 96 degrees F
OK 40 degrees C / 104 degrees F
85 105 95
75 85 80
85 105 95
75 85 80
85 105 95
75 85 80
85 105 95
75 85 80
85 105 95
581
115
95
115
95
115
95
115
95
115
Table 87