Juniper SRX-4600, Hardware Manual

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Rack type
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Mounting bracket hole spacing
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Rack size and strength
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Rack connection to the building structure
Table 21 on page 51 provides the rack requirements and specifications.
Table 21: Rack Requirements and Specifications
Guidelines Rack Requirement
You can mount the device on a rack that provides bracket holes or hole patterns
spaced at 1 U (1.75 in. or 4.45 cm) increments and meets the size and strength
requirements to support the weight.
A U is the standard rack unit defined by the Electronics Industry Association.
Rack type
The holes in the mounting brackets are spaced at 1 U (1.75 in. or 4.45 cm), so
that the device can be mounted in any rack that provides holes spaced at that
distance.
Mounting bracket hole spacing
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Ensure that the rack complies with the size and strength standards of a 19-in.
rack as defined by the Electronics Industry Association.
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Ensure that the rack rails are spaced widely enough to accommodate the
external dimensions of the device chassis. The outer edges of the front-mounting
brackets extend the width of the chassis to 19 in. (48.2 cm).
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The rack must be strong enough to support the weight of the device.
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Ensure that the spacing of rails and adjacent racks provides for proper clearance
around the device and rack.
Rack size and strength
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Secure the rack to the building structure.
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If earthquakes are a possibility in your geographical area, secure the rack to the
floor.
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Secure the rack to the ceiling brackets as well as wall or floor brackets for
maximum stability.
Rack connection to building
structure
Cabinet Requirements
You can mount the device in a cabinet that contains a 19-in. rack.
Cabinet requirements consist of:
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Cabinet size
51