Juniper EX4600 Series User Manual

Figure 45: DC Power Supply Faceplate on an EX4600 Switch
3—1— Fault LEDInput 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.
Table 42 on page 196 describes the LEDs on the DC power supplies.
Table 42: DC Power Supply LEDs on an EX4600 Switch
DescriptionStateColorName
The power supply is disconnected from power,
or power is not coming into the power supply.
OffUnlitInput
Power is coming into the power supply.On steadilyGreen
The power supply is disconnected from power,
or the power supply is not sending out power
correctly.
OffUnlitOutput
The power supply is sending out power correctly.On steadilyGreen
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.
On steadilyAmberFault
Related
Documentation
• DC Power Supply in an EX4600 Switch on page 25
• DC Power Specifications for an EX4600 Switch on page 81
• Connecting DC Power to an EX4600 Switch on page 149
Copyright © 2014, Juniper Networks, Inc.196
EX4600 Switch Hardware Guide

Juniper EX4600 Series Specifications

General

Product Series	EX4600
10GbE ports	24 or 48
Cooling	Front-to-back or back-to-front airflow
Rack Units	1 U
Virtual Chassis	Up to 10 members
MAC address table size	288, 000 entries
Memory	8 GB DRAM
Layer 3 Routing	Yes
AC Power Input	100-240V AC
Ports	24 or 48 x 10GbE ports
40GbE ports	4
100GbE ports	0
Power Supply	Dual redundant, hot-swappable AC or DC
Jumbo frames	9216 bytes
Operating temperature	0°C to 45°C
Input voltage	100-240 VAC, -40 to -72 VDC
Operating relative humidity	5% to 90% noncondensing
Fans	Redundant
JUNOS OS	Junos OS
Storage	16 GB flash
DC Power Input	-40 to -72 VDC