Clearance Requirements for Airflow and Hardware Maintenance of the SRX220 Services
Gateway
When planning the installation site for the SRX220 Services Gateway, you need to allow
sufficient clearance around the rack or cabinet where you are planning to install the
device.
When planning the installation site for the services gateway, consider the following:
•
For the cooling system to function properly, the airflow around the chassis must be
unrestricted.
•
For service personnel to remove and install hardware components, there must be
adequate space at the front and back of the device. Allow at least 24 in. (61 cm) both
in front of and behind the device.
•
If you are mounting the device in a rack with other equipment, or if you are placing it
on the desktop near other equipment, ensure that the exhaust from other equipment
does not blow into the intake vents of the chassis.
Table 16 on page 33 provides information on the clearance requirements for maintaining
the optimum airflow and the distances for facilitating easy maintenance of the device.
Table 16: Clearance Requirements for the Services Gateway
Requirement for Clearance
Recommended
ClearanceLocation
Space for service personnel to
remove and install hardware
components
NOTE: More space is required for
installing and removing Mini-PIMs.
2.5 in. (6.35 cm)Front of the chassis
Space for service personnel to
remove and install hardware
components
2.5 in. (6.35 cm)Rear of the chassis
Space for cable management and
organization
2.5 in. (6.35 cm)Between front-mounting flange
and rack or cabinet edge
Space for the cooling system to
function properly and to maintain
unrestricted airflow around the
chassis
2.5 in. (6.35 cm)Between side of the chassis and
any non-heat-producing
surface such as a wall or
cabinet side
Space for the cooling system to
function properly and to maintain
unrestricted airflow around the
chassis
2.5 in. (6.35 cm)Between side of the chassis and
devices that have fans or
blowers
33Copyright © 2016, Juniper Networks, Inc.
Chapter 6: Planning and Preparing the Site
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