Jrr200 Route Reflector Air Flow And Cooling System; Jrr200 Power System; Figure 5: Airflow Through The Chassis - Juniper JRR200 Hardware Manual

Route reflector

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JRR200 Route Reflector Hardware Guide

JRR200 Route Reflector Air Flow and Cooling System

The cooling system for the JRR200 Route Reflector consists of four fan trays located at

the rear of the chassis. Each fan tray contains two fans, so there are a total of eight fans.

The fans draw cool air through vents on the front of the chassis and exhaust the air

through the back of the chassis. See

fans keeps device components within the acceptable temperature range.

If any one of the four fan trays fails, the JRR200 route reflector generates a warning but

keeps the system running. If the temperature keeps rising, the JRR200 route reflector

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 JRR200 route

reflector shuts down the system and hardware components completely.

The fan tray is a field-replaceable unit (FRU)and you can install it without powering off

the JRR200 route reflector or disrupting the route reflector function.

Figure 5 on page

22. The airflow produced by the

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