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Juniper Networks T1600 Benutzerhandbuch

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Verifying the Hardware Version of the Rear Fan Tray
The rear fan tray, model number FAN-REAR-TX-T640-S, has eight fans and is required
to support the additional thermal power generation of the T1600 routing node. Model
number RHTREARTRAY-T-S has five blowers and does not provide sufficient cooling
for the T1600 routing node. To verify that FAN-REAR-TX-T640-S is installed:
1.
Issue the 
show chassis environment
 command:
In this example, the output shows that the rear fan tray has five blowers,
indicating that RHTREARTRAY-T-S is installed. The last five lines of the output
for the fans each include 
Blower
 in the description.
user@host> show chassis environment
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
      Bottom Left Front fan          OK         Spinning at normal speed
      Bottom Left Middle 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 Middle fan        OK         Spinning at normal speed
      Bottom Right Rear fan          OK         Spinning at normal speed
      Fourth Blower from top         OK         Spinning at normal speed
      Bottom Blower                  OK         Spinning at normal speed
      Middle Blower                  OK         Spinning at normal speed
      Top Blower                     OK         Spinning at normal speed
      Second Blower from top         OK         Spinning at normal speed
In this example, the output shows that the rear fan tray has eight fans, indicating
that FAN-REAR-TX-T640-S is installed. The last eight lines of the output for the
fans each begin with 
Rear Tray
 and include 
fan
 in the description.
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
      Bottom Left Front fan          OK         Spinning at normal speed
      Bottom Left Middle fan         OK         Spinning at normal speed
      Bottom Left Rear fan           OK         Spinning at normal speed
      Bottom Right Front fan         OK         Spinning at normal speed
Verifying the Hardware Version of the Rear Fan Tray
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Verifying the Hardware Version of the Rear Fan Tray