Brocade Communications Systems Brocade MLX Series and Brocade Netlron XMR 53-1002373-02 User Manual

Page 90

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72

Brocade MLX Series and NetIron XMR Hardware Installation Guide

53-1002373-02

Installing a Brocade MLXe-4 router

2

NOTE

Because of the weight of a fully loaded Brocade MLXe-4 router, Brocade recommends mounting it
in a rack before installing the modules and AC power supplies.

You can install up to eight Brocade MLXe-4 routers in a standard 19-inch (EIA310-D) two-post rack
using the factory-installed mounting brackets for either front- or mid-mounts.

Mounting your device in a standard 2-post rack

The factory-installed mounting brackets allow you to front-mount or mid-mount your device in the
rack. For a mid-mount, you must remove the factory installed brackets from the front edge of the
device and install them using the holes in the center-sides of the device. Refer to

Figure 47

.

You will need to provide four standard #12-24 pan-head screws (per router) to secure routers in the
rack. You will also need a #2 Phillips screwdriver. Complete the following steps.

NOTE

When connecting the device to the rack frame, use thread-forming screws and paint-piercing
washers.

1. Determine the position of each router in the rack according to the weight of the router. For

example, mount the router with the fewest modules near the top of the rack, a router with more
modules near the middle of the rack, and fully populated routers near the bottom of the rack.

2. Using the keyhole slots in the router mounting brackets as a guide, align one screw per rack

post, as shown in

Figure 46

. On one side of the rack, the screw should align with the top hole in

the mounting bracket. On the other side of the rack, the screw should align with the bottom
hole of the mounting bracket. When tightening these screws, leave approximately 1/4 inch of
clearance between the back of the screw head and the rack post.

FIGURE 46

Positioning the mounting screws in rack posts

3. Mount the lowest router first. With one person on each side, lift the router and slip the widest

part of each keyhole slot on the mounting bracket over the corresponding screw in the rack
post. See

Figure 47

.

1

Unequal flange equipment rack

2

Network equipment rack

5"

3"

1

2

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