Juniper SRX240 Series, Руководство по оборудованию

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SRX240 Services Gateway Rack Requirements
The SRX240 Services Gateway can be installed in a rack. Many types of racks are
acceptable, including front-mount racks and four-post (telco) racks.
Table 16 on page 33 provides the details on rack size, clearance, and airflow requirements.
Table 16: Rack Requirements for the Services Gateway
Specifications Rack Requirements
A 19 in. (48.3 cm) rack as defined in Cabinets, Racks, Panels, and
Associated Equipment (document number EIA-310-D) published by the
Electronics Industry Association (
http://www.eia.org
).
Rack 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.
• Maximum permissible ambient temperature when two devices are
placed side by side in a 19 in. rack is 40
ο
C.
Rack Requirements
•
The holes within each rack set are spaced at 1 U. The device can be
mounted in any rack that provides holes or hole patterns spaced at
1-U [1.75 in. (4.5 cm)] increments.
• The mounting brackets and front-mount flanges used to attach the
chassis to a rack are designed to fasten to holes spaced at rack
distances of 1 U (1.75 in.).
•
The mounting holes in the mounting brackets provided with the device
are spaced 1.25 in. (3.2 cm) apart (top and bottom mounting hole).
Spacing of Mounting
Bracket and Flange
Holes
Always secure the rack in which you are installing the services gateway
to the structure of the building. If your geographical area is subject to
earthquakes, bolt the rack to the floor. For maximum stability, also secure
the rack to ceiling brackets. Connecting to the
Building Structure
Related
Documentation
General Site Guidelines for Installing the SRX240 Services Gateway on page 30
•
•
Clearance Requirements for Airflow and Hardware Maintenance on the SRX240 Services
Gateway on page 33
•
SRX240 Services Gateway Electrical and Power Requirements on page 36
Clearance Requirements for Airflow and Hardware Maintenance on the SRX240
Services Gateway
When planning the installation site for the SRX240 Services Gateway, you need to allow
sufficient clearance around the rack.
33 Copyright © 2015, Juniper Networks, Inc.
Chapter 6: Planning and Preparing the Site