Dc Power Supply Leds On An Ex4600 Switch; Figure 44: Ac Power Supply Leds On An Ex4600 Switch; Table 41: Ac Power Supply Leds On A Ex4600 Switch - Juniper EX4600 Series Hardware Manual

Table 41: AC Power Supply LEDs on a EX4600 Switch

LED Color
AC OK Unlit
Green
DC OK Unlit
Green
Fault Amber
Related
Documentation

DC Power Supply LEDs on an EX4600 Switch

Copyright © 2014, Juniper Networks, Inc.

Figure 44: AC Power Supply LEDs on an EX4600 Switch

AC OK
DC OK
Fault
Table 41 on page 195 describes the LEDs on the AC power supplies.
State Description
Off The power supply is disconnected from power, or power is not coming
into the power supply.
On steadily Power is coming into the power supply.
Off The power supply is disconnected from power, or the power supply is
not sending out power correctly.
On steadily The power supply is sending out power correctly.
On steadily An error has been detected in the power supply. Replace the power
supply as soon as possible. To maintain proper airflow through the
chassis, leave the power supply installed in the chassis until you are
ready to replace it.
NOTE: If the AC OK
cord is not installed properly or the power supply fuse has failed. If the
LED is lit and the
OK
properly, but the power supply has an internal failure.
AC Power Supply in an EX4600 Switch on page 23
Connecting AC Power to an EX4600 Switch on page 147
Figure 45 on page 196 shows the location of the LEDs on the DC power supply.
Chapter 23: Viewing System Information
LED and the DC OK LED are unlit, either the AC power
LED is unlit, the AC power supply is installed
DC OK
AC
195