Juniper T640 Hardware Manual page 480

T640 Core Router Hardware Guide
446
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
refer to fans in the lower front fan tray.
Right
For the quiet fan trays, the output for the
to the following:
user@host> show chassis environment
Class Item
Fans Top Left Front fan
Top Left Rear fan
Top Right Front fan
Top Right Rear fan
Bottom Left Front fan
Bottom Left Rear fan
Bottom Right Front 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 the four fans in the upper front fan tray.
Top Left Top Right
and Bottom Right refer to the four fans in the lower front fan tray.
eight fans in the rear fan tray.
For the standard front fan trays and standard rear fan tray with eight fans, the output
for the command is similar to the following:
show chassis fan
user@host> show chassis fan
Item
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
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed...
refers to the fans in the rear fan tray.
Rear
show chassis environment
Status Measurement
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
OK Spinning at normal speed
Status RPM Measurement
OK 3420 Spinning at normal speed
OK 3420 Spinning at normal speed
OK 3450 Spinning at normal speed
OK 3420 Spinning at normal speed
OK 3420 Spinning at normal speed
OK 3420 Spinning at normal speed
OK 3420 Spinning at normal speed
OK 3450 Spinning at normal speed
OK 3360 Spinning at normal speed
OK 3420 Spinning at normal speed
OK 3420 Spinning at normal speed
OK 3420 Spinning at normal speed
OK 5190 Spinning at normal speed
OK 5190 Spinning at normal speed
OK 5190 Spinning at normal speed
OK 5190 Spinning at normal speed
OK 5190 Spinning at normal speed
OK 5190 Spinning at normal speed
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and
Bottom Left Bottom
command is similar
Bottom Left
Rear refers to the