CHAPTER 3
Cooling System Description
•
Understanding the SRX1500 Services Gateway Cooling System on page 11
Understanding the SRX1500 Services Gateway Cooling System
The services gateway has a single fan tray that contains four fixed fans. The fan controller
constantly monitors the temperature of the services gateway and its components. Under
normal operating conditions, the fans function at lower than full speed.
If any one of the four fans fails, the services gateway generates a warning but keeps the
system running. If the temperature keeps rising, the services gateway lowers the power
consumption by reducing the performance or shutting down some of the chassis
components. However, if the ambient maximum temperature exceeds the warning level
and the system cannot be adequately cooled, then the services gateway shuts down the
system and hardware components completely.
Related
Documentation
• SRX1500 Services Gateway Chassis Overview on page 5
• Understanding the SRX1500 Services Gateway Front Panel on page 5
• Understanding the SRX1500 Services Gateway Back Panel on page 8
• SRX1500 Services Gateway Cabinet Size and Clearance Requirements on page 29
• SRX1500 Services Gateway Cabinet Airflow Requirements on page 30
11Copyright © 2017, Juniper Networks, Inc.
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