Installing The Mounting Hardware For A Center-Mount Open-Frame Rack; Figure 24: Installing The M120 Mounting Hardware For An Open-Frame Rack; Chapter 5 Installing The M120 Router Mounting Hardware - Juniper Networks Hardware Manual

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Installing the Mounting Hardware for a Center-Mount Open-Frame Rack

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Figure 24: Installing the M120 Mounting Hardware for an Open-Frame
Rack
M120 Rack Mounting Requirements on page 39
M120 Site Preparation Checklist on page 37
Installation Safety Warnings for M Series, MX Series, and T Series Routers on page 195
If you are installing the router in a center-mount open-frame rack, you must first install
the large mounting shelf on the rack. The spacer bars are not needed for this mounting
option; however, you can leave them attached to the front-mounting flanges.
Table 20 on page 52 specifies the holes in which you insert screws to install the mounting
hardware in an open-frame rack (an
distances 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.
To install the large mounting shelf (see Figure 24 on page 53):
Chapter 5: Installing the M120 Router Mounting Hardware
indicates a mounting hole location). The hole
X
53