Installing Cage Nuts, If Needed; Installing The Mounting Shelf In An Open-Frame Rack; Removing The Center-Mounting Brackets - Juniper M40E Hardware Manual

Installing Cage Nuts, If Needed

Installing the Mounting Shelf in an Open-Frame Rack

Removing the Center-Mounting Brackets

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Copyright © 2010, Juniper Networks, Inc.
For open-frame racks, center-mounting the chassis is preferable to front-mounting
because the more even distribution of weight provides greater stability. You use the
center-mounting brackets to center-mount the chassis in an open-frame rack; you use
the front-mounting flanges to front-mount the chassis in an open-frame rack.
Installing Cage Nuts, If Needed on page 79
Installing the Mounting Shelf in an Open-Frame Rack on page 79
Removing the Center-Mounting Brackets on page 79
Install cage nuts, if needed:
On each front rack rail, install a cage nut 0.88 in. (2.2 cm) up from the bottom of a U
1.
division.
Insert a cage nut behind each hole where you plan to install the flanges of the mounting
2.
shelf.
To install the mounting shelf in an open-frame rack:
On the front of each front rack rail, partially insert a mounting screw 0.88 in. (2.2 cm)
1.
up from the bottom of a U division.
Install the shelf on the front rack rails. Rest the bottom slot of each flange on one of
2.
the mounting screws.
Partially insert a mounting screw into the top hole in each flange of the shelf.
3.
Tighten all the screws completely.
4.
If you plan to front-mount the router, remove the center-mounting brackets.
To remove the center-mounting brackets:
Loosen the screws at the top and bottom of each bracket.
1.
Remove the brackets from both sides of the chassis.
2.
M40e Chassis Description on page 8
General Safety Guidelines and Warnings for M Series, MX Series, and T Series Routers
on page 229
M40e Clearance Requirements for Airflow and Hardware Maintenance on page 71
M40e Site Preparation Checklist on page 67
Chapter 7: Installing the M40e Router Mounting Hardware
79