DC Power Supply LEDs in EX3200 and EX4200 Switches
The DC power supply in an EX3200 or EX4200
switch is on the rear panel. Table 1 describes the LEDs
on the DC power supplies in EX3200 and EX4200 switches.
Table 1: DC
Power Supply LEDs in EX3200 and EX4200 Switches
LED Label
|
Color
|
Description
|
LED A
|
Red
|
Inputs A and B are normal, but
there is no output.
|
LED B
|
Red
|
LED A
|
Green
|
Inputs A and B are normal; output
is normal.
|
LED B
|
Green
|
LED A
|
Flash Red
|
Input A has failed because the
power supply fuse has failed, input voltage is low, or there is a
loose connection; output is normal.
|
LED B
|
Green
|
LED A
|
Green
|
Input B has failed because the
power supply fuse has failed, input voltage is low, or there is a
loose connection; output is normal.
|
LED B
|
Flash Red
|
LED A
|
Flash Red
|
Both inputs have failed because
the power supply fuse has failed, input voltage is low, or there is
a loose connection; output is normal.
|
LED B
|
Flash Red
|
LED A
|
Off
|
There is no input; there is no
output.
|
LED B
|
Off
|
Published: 2009-07-15