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• AC Power Supply LEDs in EX3200 and EX4200 Switches    

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• Power Supply in EX3200 and EX4200 Switches
• Connecting AC Power to an EX3200 or EX4200 Switch

AC Power Supply LEDs in EX3200 and EX4200 Switches

The AC power supply in an EX3200 or EX4200 switch is on the rear panel. Table 1 describes the LEDs on the AC power supplies in EX3200 and EX4200 switches.

Table 1: AC Power Supply LEDs in EX3200 and EX4200 Switches

LED	State and Description
AC OK	Off—Disconnected from power or power is not coming into the power supply. On—Power is coming into the power supply.
DC OK	Off—Power supply is not sending out power correctly. On—Power supply is sending out power correctly.

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.