Juniper EX4300 Series User Manual

Table 46: AC Power Supply LEDs in EX4300 Switches (Connued)
LED Color Descripon
Green The power supply is delivering power and is
funconing correctly.
Red The power supply has failed and must be
replaced.
NOTE: If the IN OK LED and the OUT OK LED are not lit green, either the AC power cord is not
installed properly or the power input voltage is not within normal operang range.
If the IN OK LED is lit green and the OUT OK LED is unlit or lit red, the AC power supply is
installed properly, but the power supply has an internal failure.
DC Power Supply in EX4300 Switches
IN THIS SECTION
Characteriscs of a DC Power Supply | 113
DC Power Supply Airow | 115
N+0 Redundancy Conguraon of DC Power Supplies | 115
N+N Redundancy Conguraon of DC Power Supplies | 117
The DC power supply in EX4300 switches is a hot-insertable and hot-removable eld-replaceable unit
(FRU): You can install it without powering o the switch or disrupng the switching funcon.
NOTE: EX4300-24T, EX4300-24P, EX4300-32F, EX4300-48T, EX4300-48T-AFI, EX4300-48P,
EX4300-48MP, and EX4300-48MP-S models do not support DC power. EX4300-24T-S,
112

Juniper EX4300 Series Specifications

General

Product Series	EX4300 Series
Power Consumption	Varies by model and configuration
Virtual Chassis Technology	Up to 10 switches
Software	Junos OS
Ports	24-port and 48-port models
10GBASE SFP+ Ports	Up to 8 ports
40GBASE QSFP+ Ports	2
Uplink Ports	Up to 4 ports
Jumbo Frames	Up to 9216 bytes
Operating Temperature	0°C to 45°C
Relative Humidity	5% to 90% noncondensing
Input Voltage	100 to 240V AC
Power Supply	AC or DC
Power Supply Options	AC or DC
Stacking	Yes
Layer 2 Features	Includes VLAN, STP, RSTP, MSTP, LACP
Layer 3 Features	OSPF, BGP
Management	CLI, Web GUI, SNMP
Security Features	DHCP snooping
QoS	8 queues per port, DSCP
Storage Temperature	-40°C to 70°C