The Juniper Networks EX4300 line of Ethernet switches delivers the performance and scale required for both campus and data center Gigabit Ethernet (GbE) access switch deployments.Combined with Juniper’s market leading Virtual Chassis technology, the EX4300 scales up to 10 members, delivering the high availability and plug-and-play scale that businesses demand. Combining compact, pay-as-you-grow economics and low power and cooling with the performance, availability, and port densities of chassis-based platforms, the EX4300 with Virtual Chassis technology enables businesses to deploy with speed and agility to increase revenue and improve productivity.
The Juniper Networks EX4300 line of Ethernet switches with Virtual Chassis technology combines the carrier-class reliability of modular systems with the economics and flexibility of stackable platforms, delivering a high-performance, scalable solution for data center, campus and branch office environments.
The fixed-configuration EX4300 switches include a number of high availability features typically associated with chassis-based solutions, including the following:
- Hot-swappable fans
- Modular Juniper Networks Junos operating system (consistent with chassis systems)
- Dual Routing Engines with graceful Routing Engine switchover (GRES)
- Single management interface
- Easy, centralized software upgrades
- Scalability from 24 to 480 10/100/1000BASE-T ports and 24 to 240 100/1000/2500/5000/10000BASE-T ports, with up to 40 10GbE uplinks and 40 40GbE uplinks (up to 40 10GbE uplinks, 20 40GbE uplinks, or 20 100GbE uplinks on multigigabit models, in addition to four dedicated 40 Gbps Virtual Chassis ports per switch)
| 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) |
|
| Weight |
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| 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 | 56 (48 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 (Maximum with 64 Byte Packets) | 248 Gbps (unidirectional)/496 Gbps (bidirectional) |
| Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets) | 369 Mpps (wire speed) |
| Supported Optics |
|
| Physical Layer |
|
| Power Options | |
| Power Supply Rating | 550 W DC input voltage range 36-72 V; dual input feed, dual load-sharing hot-swappable internal redundant power supplies |
| PoE Budget | 0 W |
| Maximum Current Inrush | 50 amps |
| Minimum number of PSUs required for fully loaded chassis | 1 per switch |
| Environment | |
| Operating Temperature | 32° to 113° F (0º to 45º C) |
| Storage Temperature | -40º to 158º F (-40º to 70º C) |
| Relative Humidity (Operating) | 10% to 85% (noncondensing) |
| Relative Humidity (Non-Operating) | 0% to 95% (noncondensing) |
| Altitude (Operating) | Up to 10,000 ft (3,048 m) |
| Altitude (Non-Operating) | Up to 16,000 ft (4,877 m) |
| Cooling | |
| Cooling Airflow | AFI (Back-to-front airflow) |
| Field-replaceable fans | 2 |
| Airflow | PSU-7.5 cubic feet per minute (CFM); fan-22 CFM |
| Total maximum airflow throughput with two power supplies | 59 CFM |
| Noise Specifications | |
| Noise Specifications | Noise measurements based on operational tests taken from bystander position (front) and performed at 23° C in compliance with ISO 7779 |
| Acoustic Noise in DBA | 39.7 |
| Safety and Compliance | |
| Safety Certifications |
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| Electromagnetic Compatibility Certifications |
|
| NEBS | GR-1089-Core: EMC and Electrical Safety for Network Telecommunications Equipment |
| Environmental | Reduction of Hazardous Substances (ROHS) 6/6 |
| Telco | CLEI code |
| Warranty | Limited lifetime switch hardware warranty |
Part Code
EX4300-48T-DC
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