Figure 341: Dc Power Supply Faceplate On A Qfx3500, Qfx3600, Or Qfx3600-I; Device - Juniper QFabric QFX3000-G Hardware Documentation

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Documentation
DC Power Supply LEDs on a QFX3500, QFX3600, or QFX3600-I Device
Copyright © 2018, Juniper Networks, Inc.
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 QFX3500, QFX3600, or QFX3600-I Device on page 110
Connecting AC Power to a QFX3500, QFX3600, or QFX3600-I Device on page 463
Figure 334 on page 755 shows the location of the LEDs on the DC power supply.
Figure 341: DC Power Supply Faceplate on a QFX3500, QFX3600, or QFX3600-I Device
2
8 7
1— Shunt positive input terminals
2— Shunt negative input terminals
3— Terminal block
4— Ejector lever
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.
Table 185 on page 755 describes the LEDs on the DC power supplies.
Chapter 53: Viewing QFX3500 System Information
LED and the LED are unlit, either the AC power
DC OK
LED is unlit, the AC power supply is installed
DC OK
1
3
4
5
6
5— ESD grounding point
6— Fault LED
7— Output LED
8— Input LED
AC
763