Dc Power Supply Leds On A Qfx5100 Device; Figure 38: Dc Power Supply Faceplate On A Qfx5100 Switch - Juniper QFX5100 Hardware Manual

QFX5100 Switch Hardware Guide
Table 19: AC Power Supply LEDs on a QFX5100 Switch (continued)
LED Color
DC OK Unlit
Green
Fault Amber
Related
Documentation

DC Power Supply LEDs on a QFX5100 Device

62
State Description
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 for a QFX5100 Device on page 47
Connecting AC Power to a QFX5100 Device on page 171
Figure 38 on page 62 shows the location of the LEDs on the DC power supply.

Figure 38: DC Power Supply Faceplate on a QFX5100 Switch

1— Input LED
2—Output LED
CAUTION: The V+ terminals are shunted internally together, as are the V-
terminals. The same polarity terminal can be wired together from the same
source to provide an additional current path in a higher power chassis. Do
not connect the terminals to different sources.
LED and the LED are unlit, either the AC power
DC OK
LED is unlit, the AC power supply is installed
DC OK
3— Fault LED
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AC