Clearance Requirements For Airflow And Hardware Maintenance For An Ex9214; Switch - Juniper EX9214 Hardware Manual

EX9214 Switch Hardware Guide
Related
Documentation
Clearance Requirements for Airflow and Hardware Maintenance for an EX9214 Switch
74
Table 34: Cabinet Requirements and Specifications for an EX9200
Switch (continued)
Cabinet Requirement
Cabinet airflow requirements
Rack-Mounting and Cabinet-Mounting Warnings on page 284
Rack Requirements for an EX9200 Switch on page 71
Chassis Physical Specifications of an EX9204 Switch
Chassis Physical Specifications of an EX9208 Switch
Chassis Physical Specifications of an EX9214 Switch on page 13
When planning the site for installing an EX9214 switch, you must allow sufficient clearance
around the switch.
For the cooling system to function properly, the airflow around the chassis must be
unrestricted. See Figure 30 on page
Guidelines for the EX9200 Switch
When you mount the switch on a cabinet,
ensure that ventilation through the cabinet is
sufficient to prevent overheating. Consider the
following requirements list when planning for
chassis cooling:
Ensure that the cool air supply you provide
through the cabinet adequately dissipates
the thermal output of the switch (or
switches).
Ensure that the cabinet allows the chassis
hot exhaust air to exit the cabinet without
recirculating into the switch. An open cabinet
(without a top or doors) that employs hot
air exhaust extraction from the top allows
the best airflow through the chassis. If the
cabinet contains a top or doors, perforations
in these elements assist with removing the
hot air exhaust.
The switch fans exhaust hot air through the
right side of the chassis (the left side when
you face the front of the chassis, where the
fan tray slides in). Install the switch in the
cabinet in a way that maximizes the open
space on the fan tray side of the chassis. This
maximizes the clearance for critical airflow.
Route and dress all cables to minimize the
blockage of airflow to and from the chassis.
Ensure that the spacing of rails and adjacent
racks allows for the proper clearance around
the switch and rack.
75.
Copyright © 2015, Juniper Networks, Inc.