User manual

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. Table 13 on
page 30 describes the LEDs on the AC power supplies in EX3200 and EX4200 switches.
Table 13: AC Power Supply LEDs in EX3200 and EX4200 Switches
State and DescriptionLED
•
Off—Disconnected from power or power is not coming into
the power supply.
•
On—Power is coming into the power supply.
AC OK
•
Off—Power supply is not sending out power correctly.
•
On—Power supply is sending out power correctly.
DC OK
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 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
Complete Hardware Guide for EX3200 and EX4200 Ethernet Switches