Upgrading To The T640 Quiet Fan Trays; Figure 121: Installing A Rear Fan Tray; Upgrading The Standard Lower Front Fan Tray To A Quiet Lower Front - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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Upgrading to the T640 Quiet Fan Trays

236

Figure 121: Installing a Rear Fan Tray

T640 Cooling System Description on page 75
Maintaining the T640 Fan Trays on page 181
Troubleshooting the T640 Cooling System on page 203
T640 Preventing Electrostatic Discharge Damage on page 386
Upgrading the Standard Lower Front Fan Tray to a Quiet Lower Front Fan
1.
Tray on page 237
Removing the Standard Upper Front Fan Tray on page 238
2.
3. Removing the Craft Interface on page 239
Installing the Air Deflector and Craft Interface on page 239
4.
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