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Juniper T640 Hardware Guide

Juniper T640
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Rear Tray Fourth fan OK Spinning at normal speed
Rear Tray Fifth fan OK Spinning at normal speed
Rear Tray Sixth fan OK Spinning at normal speed
Rear Tray Seventh fan OK Spinning at normal speed
Rear Tray Bottom fan OK Spinning at normal speed...
Top Left and Top Right refer to fans in the upper front fan tray. Bottom Left and Bottom
Right refer to fans in the lower front fan tray. Rear refers to the fans in the rear fan tray.
For the quiet fan trays, the output for the show chassis environment command is similar
to the following:
user@host> show chassis environment
Class Item Status Measurement
Fans Top Left Front fan OK Spinning at normal speed
Top Left Rear fan OK Spinning at normal speed
Top Right Front fan OK Spinning at normal speed
Top Right Rear fan OK Spinning at normal speed
Bottom Left Front fan OK Spinning at normal speed
Bottom Left Rear fan OK Spinning at normal speed
Bottom Right Front fan OK Spinning at normal speed
Bottom Right Rear fan OK Spinning at normal speed
Rear Tray Top fan OK Spinning at normal speed
Rear Tray Second fan OK Spinning at normal speed
Rear Tray Third fan OK Spinning at normal speed
Rear Tray Fourth fan OK Spinning at normal speed
Rear Tray Fifth fan OK Spinning at normal speed
Rear Tray Sixth fan OK Spinning at normal speed
Rear Tray Seventh fan OK Spinning at normal speed
Rear Tray Bottom fan OK Spinning at normal speed
Top Left and Top Right refer to the four fans in the upper front fan tray. Bottom Left
and Bottom Right refer to the four fans in the lower front fan tray. Rear refers to the
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 show chassis fan command is similar to the following:
user@host> show chassis fan
Item Status RPM Measurement
Top Left Front fan OK 3420 Spinning at normal speed
Top Left Middle fan OK 3420 Spinning at normal speed
Top Left Rear fan OK 3450 Spinning at normal speed
Top Right Front fan OK 3420 Spinning at normal speed
Top Right Middle fan OK 3420 Spinning at normal speed
Top Right Rear fan OK 3420 Spinning at normal speed
Bottom Left Front fan OK 3420 Spinning at normal speed
Bottom Left Middle fan OK 3450 Spinning at normal speed
Bottom Left Rear fan OK 3360 Spinning at normal speed
Bottom Right Front fan OK 3420 Spinning at normal speed
Bottom Right Middle fan OK 3420 Spinning at normal speed
Bottom Right Rear fan OK 3420 Spinning at normal speed
Rear Tray Top fan OK 5190 Spinning at normal speed
Rear Tray Second fan OK 5190 Spinning at normal speed
Rear Tray Third fan OK 5190 Spinning at normal speed
Rear Tray Fourth fan OK 5190 Spinning at normal speed
Rear Tray Fifth fan OK 5190 Spinning at normal speed
Rear Tray Sixth fan OK 5190 Spinning at normal speed
Copyright © 2017, Juniper Networks, Inc.446
T640 Core Router Hardware Guide

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Juniper T640 Specifications

General IconGeneral
BrandJuniper
ModelT640
CategoryNetwork Router
LanguageEnglish

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