Cooling System And Airflow In An Ex3200 Switch; Table 14: Dc Power Supply Leds In Ex3200 And Ex4200 Switches - Juniper EX3200 Series Complete Hardware Manual

Table 14: DC Power Supply LEDs in EX3200 and EX4200 Switches

LED Label
LED A
LED B
LED A
LED B
LED A
LED B
LED A
LED B
LED A
LED B
LED A
LED B
Related Topics

Cooling System and Airflow in an EX3200 Switch

Copyright © 2010, Juniper Networks, Inc.
Color
Red
Red
Green
Green
Flash Red
Green
Green
Flash Red
Flash Red
Flash Red
Off
Off
Power Supply in EX3200 and EX4200 Switches on page 27
Connecting DC Power to an EX3200 or EX4200 Switch on page 149
The cooling system in an EX3200 switch consists of a field-replaceable unit (FRU) fan
tray with one fan (see Figure 20 on page 32). The fan tray is located at the rear of the
chassis and provides side-to-rear chassis cooling (see Figure 21 on page 32).
Chapter 2: Component Descriptions
Description
Inputs A and B are normal, but there is no output.
Inputs A and B are normal; output is normal.
Input A has failed because the power supply fuse has failed,
input voltage is low, or there is a loose connection; output is
normal.
Input B has failed because the power supply fuse has failed,
input voltage is low, or there is a loose connection; output is
normal.
Both inputs have failed because the power supply fuse has
failed, input voltage is low, or there is a loose connection;
output is normal.
There is no input; there is no output.
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