Clearance Requirements For Srx5800 Services Gateway Airflow And Hardware; Maintenance; Figure 67: Chassis Dimensions And Clearance Requirements For The Services - Juniper SRX5800 Hardware Manual

Clearance Requirements for SRX5800 Services Gateway Airflow and Hardware

Maintenance

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Copyright © 2015, Juniper Networks, Inc.
When planning the installation site, you need to allow sufficient clearance around the
rack (see Figure 67 on page
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 services gateway. At least 24 in. (61 cm)
is required both in front of and behind the services gateway. NEBS GR-63 recommends
that you allow at least 30 in. (76.2 cm) behind the services gateway.
Airflow must always be from front to back with respect to the rack. If the device has
side to rear airflow, then provisions must be made to ensure that fresh air from the
front of the rack is supplied to the inlets, and exhaust exits the rear of the rack. The
device must not interfere with the cooling of other systems in the rack. Fillers must be
used as appropriate in the rack to ensure there is no recirculation of heated exhaust
air back to the front of the rack. Care must also be taken around cables to ensure that
there is no leakage of air in situations where recirculation might result.
Figure 67: Chassis Dimensions and Clearance Requirements for the
Services Gateway
Overview of Installing the SRX5800 Services Gateway on page 153
SRX5800 Services Gateway Rack Size and Strength Requirements on page 121
Spacing of Rack-Mounting Bracket Holes for the SRX5800 Services Gateway on
page 122
Connection to Building Structure for the SRX5800 Services Gateway Rack on page 122
123):
Chapter 8: Rack Requirements
123