Juniper EX4300 Series User Manual

5. Tighten the capve screws on the faceplate of the fan module by using your ngers. If you are unable
to ghten the capve screws by using your ngers, use the screwdriver.
Figure 87: Installing a Fan Module in a 24-Port EX4300 Switch
NOTE: If you have a Juniper J-Care service contract, register any addion, change, or upgrade of
hardware components at hps://www.juniper.net/customers/support/tools/updateinstallbase/ .
Failure to do so can result in signicant delays if you need replacement parts. This note does not
apply if you replace exisng components with the same type of component.
SEE ALSO
Removing a Fan Module from an EX4300 Switch | 292
Cooling System and Airow in an EX4300 Switch | 82
Field-Replaceable Units in EX4300 Switches | 52
EX4300 Switches Hardware Overview | 2
Maintaining the EX4300 Power System
IN THIS SECTION
Removing an AC Power Supply from an EX4300 Switch | 296
Installing an AC Power Supply in an EX4300 Switch | 298
295

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