Installing The Air Deflector And Craft Interface; Installing The Quiet Upper Front Fan Tray; Figure 137: Installing The Air Deflector - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide

Installing the Air Deflector and Craft Interface

Figure 137: Installing the Air Deflector

Air deflector

Installing the Quiet Upper Front Fan Tray

296
NOTE: If an air deflector is already installed, installing another air deflector
is not required.
To install the air deflector:
Slide in the air deflector. See
1.
Four holes align with the four standoffs used for mounting the craft interface.
Replace the craft interface and secure with the four fasteners.
2.
The upper front fan tray is located above the FPC card cage. Each quiet front fan tray
weighs about 17.8 lb (8.1 kg). The fan trays are hot-insertable. The quiet upper and lower
fan trays are not interchangeable with each other. The quiet upper front fan tray is labeled
FAN-T-FTOP-S UPPER FANTRAY
To install a quiet upper front fan tray (see
Attach an electrostatic discharge (ESD) grounding strap to your wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Locate the fan tray labeled
2.
Press the two latches located on each side of the quiet upper front fan tray up, and
3.
insert the fan tray straight into the upper front fan tray slot.
Tighten the captive screws on each side of the fan tray faceplate to secure it in the
4.
chassis.
Figure 137 on page 296 for proper orientation of air deflector.
.
Figure 138 on page
FAN-T-FTOP-S UPPER FANTRAY
Copyright © 2017, Juniper Networks, Inc.
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