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Related Topics AC Power Cord Specifications for EX3200 and EX4200 Switches on page 102•
• AC Power Supply LEDs in EX3200 and EX4200 Switches on page 30
• DC Power Supply LEDs in EX3200 and EX4200 Switches on page 30
• Rear Panel of an EX3200 Switch on page 8
• Rear Panel of an EX4200 Switch on page 11
• Field-Replaceable Units in EX3200 and EX4200 Switches on page 18
• Power Specifications for EX3200 and EX4200 Switches on page 101
• Prevention of Electrostatic Discharge Damage on EX Series Switches on page 236
• Connecting AC Power to an EX3200 or EX4200 Switch on page 147
• Connecting DC Power to an EX3200 or EX4200 Switch on page 149
• Connecting Earth Ground to an EX Series Switch on page 141
AC Power Supply LEDs in EX3200 and EX4200 Switches
The AC power supply in an EX3200 or EX4200 switch is on the rear panel. Table13 on
page 30 describesthe LEDs on the ACpower supplies in EX3200 and EX4200 switches.
Table 13: AC Power Supply LEDs in EX3200 and EX4200 Switches
Stateand DescriptionLED
•
Off—Disconnected from power or poweris not cominginto
the power supply.
•
On—Poweris coming intothe powersupply.
ACOK
•
Off—Power supplyis not sending out powercorrectly.
•
On—Powersupplyis sending out powercorrectly.
DC OK
NOTE: If the ACOK LED and the DC OK LED are unlit, either the AC power cord is not
installed properlyor the powersupply fuse has failed. If the AC OK LED is lit and the DC
OK LED is unlit, the AC power supplyis not installed properly or the power supply has
an internal failure.
Related Topics Power Supply in EX3200 and EX4200 Switches on page 27•
• Connecting AC Power to an EX3200 or EX4200 Switch on page 147
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 31 describes the LEDs on the DC power supplies in EX3200 and EX4200 switches.
Copyright ©2010,Juniper Networks,Inc.30
CompleteHardwareGuide forEX3200 andEX4200 EthernetSwitches