Juniper MX10004 - Page 96

Table 31: Rack Requirements for the MX10004 (Connued)
Rack Requirement Guidelines
Rack size and strength
• Ensure that the rack complies with the standards for a 19-in.
wide rack as dened in Cabinets, Racks, Panels, and Associated
Equipment (document number EIA-310–D) published by the EIA.
• Use one of the standard rack lengths 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 (ETSI) (hp://
www.etsi.org).
• 23.62 in. (600 mm)
• 30.0 in. (762 mm)
• 31.5 in. (800 mm)
•
Ensure that the rack rails are spaced widely enough to
accommodate the external dimensions of the router chassis. The
outer edges of the ange extend the chassis width to 19 in.
(48.26 cm).
• Ensure that the rack is strong enough to support the weight of
the router and cabling.
• Ensure that the spacing of rails and adjacent racks allows for
proper clearance around the router and rack. See "MX10004
Clearance Requirements for Airow and Hardware Maintenance"
on page 87.
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 and to the wall or oor for
maximum stability.
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