Complete Hardware Guide for EX3200 and EX4200 Ethernet Switches
NOTE: If the AC OK LED and the DC OK LED are unlit, either the AC power cord is not installed properly or the power supply fuse has failed. If the AC OK LED is lit and the DC OK LED is unlit, the AC power supply is not installed properly or the power supply has an internal failure.
Related Topics ■ Power Supply in EX3200 and EX4200 Switches on page 26
■Connecting AC Power to an EX3200 or EX4200 Switch on page 146
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 14 on page 30 describes the LEDs on the DC power supplies in EX3200 and EX4200 switches.
Table 14: DC Power Supply LEDs in EX3200 and EX4200 Switches
LED Label | Color |
LED A | Red |
LED B | Red |
LED A | Green |
LED B | Green |
LED A | Flash Red |
LED B | Green |
LED A | Green |
LED B | Flash Red |
LED A | Flash Red |
LED B | Flash Red |
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.
LED A | Off | There is no input; there is no output. |
LED B | Off |
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Related Topics ■ Power Supply in EX3200 and EX4200 Switches on page 26
■Connecting DC Power to an EX3200 or EX4200 Switch on page 148
