Juniper NSM4000, Руководство по оборудованию

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CHAPTER 4
Mounting Requirements
• NSM4000 Appliance Rack Requirements on page 25
• Tools and Parts Required to Install the NSM4000 Appliance on page 26
NSM4000 Appliance Rack Requirements
The NSM4000 appliance can be installed in a rack. Many types of racks are acceptable,
including front-mount racks and two-post (telco) racks.
Table 15 on page 25 provides the details of requirements for rack size, clearance, airflow,
spacing of mounting brackets and flange holes, and connecting to the building structure.
Table 15: Rack Requirements for the NSM4000 Appliance
Specifications
Rack
Requirement
A 19-in. (48.3-cm) rack as defined in Cabinets, Racks, Panels, and Associated
Equipment (document number EIA-310-D) published by the Electronic
Components Industry Association
(
http://www.eciaonline.org/eiastandards/
).
A 600-mm rack as defined in the four-part Equipment Engineering (EE);
European telecommunications standard for equipment practice (document
numbers ETS 300 119-1 through 119-4) published by the European
Telecommunications Standards Institute (
http://www.etsi.org
).
The horizontal spacing between the rails in a rack that complies with this
standard is wider than the appliance’s mounting brackets, which measure
19 in. (48.3 cm) from outer edge to outer edge. Use approved wing devices to
narrow the opening between the rails as required.
Size
•
The outer edges of the mounting brackets extend the width of either chassis
to 19 in. (48.3 cm).
• The front of the chassis extends approximately 0.5 in. (1.27 cm) beyond the
mounting ears.
Clearance
25 Copyright © 2016, Juniper Networks, Inc.