Installing The T640 Mounting Hardware For An Open-Frame Rack; Figure 45: Installing The Mounting Hardware For A Four-Post Rack Or Cabinet - Juniper T640 Hardware Manual

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Installing the T640 Mounting Hardware for an Open-Frame Rack

Copyright © 2010, Juniper Networks, Inc.
Figure 45: Installing the Mounting Hardware for a Four-Post Rack or
Cabinet
T640 Chassis Description on page 13
T640 Clearance Requirements for Airflow and Hardware Maintenance on page 68
T640 Site Preparation Checklist on page 65
If you are installing the T640 router into an open-frame rack, you must first install the
large mounting shelf on the rack. If you are front-mounting the router, you must remove
the center-mounting brackets from the chassis. The small mounting shelf and the spacer
bars are not needed.
Table 29 on page 82 specifies the mounting holes in which you insert the mounting screws
(an indicates a mounting hole location), and cage nuts if needed. The hole distances
X
are relative to one of the standard U divisions on the rack. For reference, the bottom of
all mounting shelves is at 0.04 in. (0.02 U) above a U division.
Chapter 7: Installing the T640 Router Mounting Hardware
81