Juniper EX4600

Table 21: Rack Requirements for the EX4600 Switch (Connued)
Rack Requirement Guidelines
Mounng bracket hole
spacing
The holes in the mounng brackets are spaced at 1 U (1.75 in. or 4.45 cm), so that the
switch can be mounted in any rack that provides holes spaced at that distance.
Rack size and strength
• Ensure that the rack complies with the standards for a 19-in. or 23-in. rack as
dened in Cabinets, Racks, Panels, and Associated Equipment (document number
EIA-310–D) published by the Electronics Industry Associaon.
• A 600-mm rack as dened in the four-part Equipment Engineering (EE); European
telecommunicaons standard for equipment pracce (document numbers ETS 300
119-1 through 119-4) published by the European Telecommunicaons Standards
Instute.
The horizontal spacing between the rails in a rack that complies with this standard
is usually wider than the device's mounng brackets, which measure 19 in.
(48.26 cm) from outer edge to outer edge. Use approved wing devices to narrow
the opening between the rails as required.
•
Ensure that the rack rails are spaced widely enough to accommodate the switch
chassis’ external dimensions. The outer edges of the front-mounng brackets
extend the width to 19 in. (48.26 cm).
•
The front and rear rack rails must be spaced between 23 in. (58.5 cm) and
30.25 in. (76.8 cm) front-to-back.
• The rack must be strong enough to support the weight of the switch.
• Ensure that the spacing of rails and adjacent racks allows for proper clearance
around the switch and rack.
Rack connecon to
building structure
• Secure the rack to the building structure.
• If earthquakes are a possibility in your geographical area, secure the rack to the
oor.
• Secure the rack to the ceiling brackets as well as wall or oor brackets for
maximum stability.
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