Srx240 Services Gateway Rack Requirements; Preparing The Site For The Srx240 Services Gateway Installation - Juniper SRX240 Hardware Manual

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SRX240 Services Gateway Rack Requirements

Copyright © 2013, Juniper Networks, Inc.
Chapter 5: Preparing the Site for the SRX240 Services Gateway Installation
NOTE: Install the device only in restricted areas, such as dedicated
equipment rooms and equipment closets, in accordance with Articles
110-16, 110-17, and 110-18 of the National Electrical Code, ANSI/NFPA 70.
SRX240 Services Gateway Chassis on page 7
SRX240 Services Gateway Site Electrical Wiring Guidelines on page 143
SRX240 Services Gateway Rack Requirements on page 33
Clearance Requirements for Airflow and Hardware Maintenance on the SRX240 Services
Gateway on page 34
Interface Cable and Wire Specifications for the SRX240 Services Gateway on page 149
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 17 on page 33 provides the details on rack size, clearance, and airflow requirements.
Table 17: Rack Requirements for the Services Gateway
Rack Requirements Specifications
Rack Size 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 (
Rack Requirements 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 C.
Spacing of Mounting The holes within each rack set are spaced at 1 U. The device can be
Bracket and Flange mounted in any rack that provides holes or hole patterns spaced at
Holes 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).
Connecting to the Always secure the rack in which you are installing the services gateway
Building Structure 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.
http://www.eia.org
).
33