Clearance Requirements For Airflow And Hardware Maintenance Of The Srx 210 Services Gateway - Juniper SRX 210 Services Hardware Manual

SRX 210 Services Gateway Hardware Guide
NOTE: If you are mounting the gateway in a cabinet, be sure that ventilation is
sufficient to prevent overheating.
If a front-mount rack is used, we recommend supporting the back of the device with
a shelf or other structure
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Clearance Requirements for Airflow and Hardware Maintenance of the SRX 210
Services Gateway
When planning the installation site for the SRX 210 services gateway, you need to
allow sufficient clearance around the rack.
When planning the installation site for the services gateway, consider the following:
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Clearance Requirements for Airflow and Hardware Maintenance of the SRX 210 Services Gateway

Spacing of Mounting Bracket and Flange Holes
The spacing of the mounting brackets and flange holes on the rack and device
mounting brackets are as follows:
The holes within each rack set are spaced at 1 U (1.75 in. or 4.5 cm). The
device can be mounted in any rack that provides holes or hole patterns
spaced at 1-U (1.75 in. or 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
chassis are spaced 1.25 in. (3.2 cm) apart, measured from the center of each
hole.
Connecting to the Building Structure
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.
General Site Guidelines for Installing the SRX 210 Services Gateway on page 43
SRX 210 Services Gateway Cabinet Requirements on page 44
Site Preparation Checklist for the SRX 210 Services Gateway on page 41
Clearance Requirements for Airflow and Hardware Maintenance of the SRX 210
Services Gateway on page 46
For the cooling system to function properly, the airflow around the chassis must
be unrestricted.