Juniper T4000 Hardware Manual page 219

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Copyright © 2013, Juniper Networks, Inc.
Bottom Left Middle fan
Bottom Left Rear fan
Bottom Right Front fan
Bottom Right Middle fan
Bottom Right Rear fan
Rear Tray Top fan
Rear Tray Second fan
Rear Tray Third fan
Rear Tray Fourth fan
Rear Tray Fifth fan
Rear Tray Sixth fan
Rear Tray Seventh fan
Rear Tray Bottom fan
The fans in the fan trays are listed as follows:
Upper front fan tray—
Lower front fan tray—
Rear fan tray— Rear
Use the
5. show chassis environment
fans.
user@host> show chassis environment
Class Item
...
Fans Top Left Front fan
Top Left Middle fan
Top Left Rear fan
Top Right Front fan
Top Right Middle fan
Top Right Rear fan
Bottom Left Front fan
Bottom Left Middle fan
Bottom Left Rear fan
Bottom Right Front fan
Bottom Right Middle fan
Bottom Right Rear fan
Rear Tray Top fan
Rear Tray Second fan
Rear Tray Third fan
Rear Tray Fourth fan
Rear Tray Fifth fan
Rear Tray Sixth fan
Rear Tray Seventh fan
Rear Tray Bottom fan
and refer to fans in the upper front fan tray.
Top Left Top Right
Right refer to fans in the lower front fan tray.
T4000 Cooling System Description on page 21
Replacing a T4000 Lower Front Fan Tray on page 236
Replacing a T4000 Upper Front Fan Tray on page 238
Replacing a T4000 Rear Fan Tray on page 240
Replacing a T4000 Front Air Filter on page 218
Chapter 18: Troubleshooting T4000 Router Hardware Components
OK 3450
OK 3360
OK 3420
OK 3420
OK 3420
OK 5190
OK 5190
OK 5190
OK 5190
OK 5190
OK 5190
OK 5190
OK 5190
Top Left and Top Right
and
Bottom Left Bottom Right
command to check the status and speed of the
Status Measurement
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
Rear refers to the fans in the rear fan tray.
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed...
and
Bottom Left Bottom
195