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
Rear Tray Seventh fan OK 5190 Spinning at normal speed
Rear Tray Bottom fan OK 5190 Spinning at normal speed
For the quiet fan trays, 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 2220 Spinning at normal speed
Top Left Rear fan OK 2190 Spinning at normal speed
Top Right Front fan OK 2220 Spinning at normal speed
Top Right Rear fan OK 2250 Spinning at normal speed
Bottom Left Front fan OK 2220 Spinning at normal speed
Bottom Left Rear fan OK 2220 Spinning at normal speed
Bottom Right Front fan OK 2250 Spinning at normal speed
Bottom Right Rear fan OK 2220 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
Rear Tray Seventh fan OK 5190 Spinning at normal speed
Rear Tray Bottom fan OK 5190 Spinning at normal speed
For the TX Matrix router (see also “TX Matrix Router Cooling System” on page 335).
To display the status of the fans in the TX Matrix router, issue the show chassis
environment scc command. The output is similar to the following:
user@host> show chassis environment scc
scc-re0:
--------------------------------------------------------------------------
Class Item Status Measurement
Temp PEM 0 OK 27 degrees C / 80 degrees F
PEM 1 OK 27 degrees C / 80 degrees F
Routing Engine 0 OK 34 degrees C / 93 degrees F
Routing Engine 1 OK 34 degrees C / 93 degrees F
CB 0 OK 33 degrees C / 91 degrees F
CB 1 OK 32 degrees C / 89 degrees F
SIB 0 OK 42 degrees C / 107 degrees F
SIB 0 (B) OK 41 degrees C / 105 degrees F
SIB 1 OK 42 degrees C / 107 degrees F
SIB 1 (B) OK 41 degrees C / 105 degrees F
SIB 2 OK 43 degrees C / 109 degrees F
SIB 2 (B) OK 42 degrees C / 107 degrees F
SIB 3 OK 44 degrees C / 111 degrees F
SIB 3 (B) OK 42 degrees C / 107 degrees F
SIB 4 OK 43 degrees C / 109 degrees F
SIB 4 (B) OK 43 degrees C / 109 degrees F
FPM GBUS OK 28 degrees C / 82 degrees F
FPM Display OK 32 degrees C / 89 degrees F
Fans Top Left Front fan OK Spinning at normal speed
Top Left Middle 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 Middle fan OK Spinning at normal speed
Top Right Rear fan OK Spinning at normal speed
343Copyright © 2012, Juniper Networks, Inc.
Chapter 11: Monitoring the Cooling System
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