Tx Matrix Cooling System Overview; Cooling System Description - Juniper TX MATRIX Hardware Manual

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TX Matrix Cooling System Overview

Cooling System Description

Copyright © 2010, Juniper Networks, Inc.
Table 17: Three-Input 240-A DC Power Supply LEDs (continued)
LED Color
—One per Blue
DC OK
power supply
Green
INPUT
—One
PRESENT
per input
OVER Yellow
TEMP —One per
power supply
Cooling System Description on page 47
Fan Tray Description on page 48
Air Filter Description on page 49
The cooling system components work together to keep all TX Matrix router components
within the acceptable temperature range (see Figure 25 on page 48). If the ambient
maximum temperature specification is exceeded and the system cannot be adequately
cooled, the Routing Engine shuts down some or all of the hardware components.
Chapter 3: TX Matrix Hardware Components Overview
State Description
On steadily When the power supply is correctly
set to
2-INPUT
and
INPUT 1
the
DC OK
power supply is functioning
normally.
Blinking Power supply is starting up, is not
functioning, is not properly
installed, or is not operating
properly.
On steadily Input is receiving voltage.
Off Input voltage is not present.
On steadily Power supply has exceeded
recommended temperature.
Off Power supply is within the
recommended temperature or the
power supply is not on.
mode and
INPUT 0
are properly energized,
LED indicates that the
47