Mx480 Router Cabinet Airflow Requirements; Mx480 Power Planning; Power Requirements For An Mx480 Router; Figure 44: Airflow Through The Chassis - Juniper MX480 Hardware Manual
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MX480 Router Cabinet Airflow Requirements
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MX480 Power Planning
Power Requirements for an MX480 Router
Copyright © 2019, Juniper Networks, Inc.
Installation Safety Warnings for Juniper Networks Devices
Before you install the router in a cabinet, you must ensure that ventilation through the
cabinet is sufficient to prevent overheating. Consider the following requirements to when
planning for chassis cooling:
Ensure that the cool air supply you provide through the cabinet can adequately dissipate
the thermal output of the router.
Ensure that the cabinet allows the chassis hot exhaust air to exit from the cabinet
without recirculating into the router. 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. For an illustration of chassis airflow, see
Figure 44 on page
149.
Install the router as close as possible to the front of the cabinet so that the cable
management brackets just clear the inside of the front door. This maximizes the
clearance in the rear of the cabinet for critical airflow.
Route and dress all cables to minimize the blockage of airflow to and from the chassis.
Figure 44: Airflow Through the Chassis
MX480 Site Preparation Checklist on page 139
Installation Safety Warnings for Juniper Networks Devices
Power Requirements for an MX480 Router on page 149
Calculating Power Requirements for MX480 Routers on page 158
The following tables list the MX480 component power requirements.
lists the MX480 base system power requirement.
requirements for Switch Control Boards (SCBs), Routing Engines, Modular Port
Chapter 2: Site Planning, Preparation, and Specifications
Table 81 on page 150
Table 80 on page 150
lists the FRU power
149
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