Thông số kỹ thuật của Juniper EX4300-24T

Model : EX4300-24T

Backplane 320 Gbps Virtual Chassis interconnect to combine up to 10 units as a single logical device

Uplink Module Options 4-port dual-mode 10GbE/1GbE module with pluggable SFP+/SFP optics

Dimensions ( W x H x D )

17.41 x 1.72 x 16.43 in ( 44.21 x 4.32 x 41.73 cm )

Desktop installation width noted above , rack-mount width is 17.5 in ( 44.5 cm )

Height : 1 rack unit ( 1 U )

Weight

EX4300 switch ( no power supply or fan module ) : 13 lb ( 5.9 kg )

EX4300 switch ( with single power supply and two fan modules ) : 16.1 lb ( 7.3 kg )

350 W AC power supply : 2.4 lb ( 1.1 kg )

SFP+ uplink module : 0.44 lb ( 0.2 kg )

Fan module : 0.33 lb ( 0.15 kg )

Rack mountable 1 Rack Unit

Hardware Specifications

Switching Engine Model Store and forward

DRAM 2 GB with Error Correcting Code ( ECC )

Flash 2 GB

CPU 1.5 GHz Dual-Core PowerPC CPU

GbE port density per system 32 ( 24 host ports + four 40GbE ports + optional fourport 1/10GbE uplink module )

10GbE port density per system 4 ( uplink module )

40GbE port density per system 4

Packet Switching Capacities 448 Gbps

Layer 2 Throughput ( Mpps ) 333 Mpps ( wire speed )

Supported Optics

GbE SFP optic/connector type : LC SFP fiber supporting SX ( multimode ) , LX ( single-mode )

10GbE SFP+ optic/connector type : 10GbE SFP+ LC connector , SR ( multimode ) , USR ( multimode ) , LR ( single-mode ) , ER ( singlemode ) , LRM ( multimode ) , and DAC ( direct-attach copper )

40 GbE QSFP+ optic/connector type : 40GbE QSFP+ LC connector type , SR ( multimode ) , DAC ( direct-attach copper )