EX4300-48T, Juniper 48-Port Gigabit Ethernet Switch with 4x 40G QSFP+ Ports

  • Brand: Juniper
  • Model: EX4300-48T
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97%
4.9/5.0
List Price: $10,800.00
79% OFF
$2,312.00
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    Overview

    Juniper EX4300-48T Overview

    The EX4300-48T is a Juniper fixed 1U, non-PoE Ethernet switch with 48 10/100/1000BASE-T ports, four built-in 40G QSFP+ ports, a 350W AC power supply, and Virtual Chassis support for up to 10 EX4300 switches.

    Key Specifications

    Network Ports

    48 × 10/100/1000BASE-T

    QSFP+ Ports

    4 × 40G QSFP+

    Switching Capacity

    496 Gbps

    Forwarding Performance

    369 Mpps wire speed

    Virtual Chassis

    Up to 10 EX4300 switches

    Power and PoE

    350W AC PSU; non-PoE


    Figure 1 shows the front-panel layout of the Juniper EX4300-48T Ethernet switch.

    Juniper EX4300-48T front panel with 48 Gigabit Ethernet ports, Mini-USB console port, LCD panel, status LEDs, and optional SFP+ uplink module

    The official 48-port EX4300 front-panel diagram shows the Mini-USB console port, LCD panel controls, chassis status LEDs, optional SFP+ uplink module, and 48 Gigabit Ethernet network ports.

    ① Mini-USB console port
    ② LCD panel
    ③ LCD panel Menu button
    ④ Chassis status LEDs
    ⑤ LCD panel Enter button
    ⑥ Optional 4-port 1GbE/10GbE SFP+ uplink module
    ⑦ 48 × 10/100/1000BASE-T network ports


    Figure 2 shows the rear-panel port and power layout of the Juniper EX4300-48T.

    Juniper EX4300-48T rear panel with management port, ESD point, fan modules, QSFP+ ports, AC power supply slots, USB port, and console port

    The official EX4300 rear-panel diagram for 24-port and 48-port models shows the management port, ESD point, fan modules, QSFP+ ports, AC power-supply slots, USB port, and console port.

    ① RJ-45 management port
    ② ESD point
    ③ Fan module in slot 0
    ④ Serial number label
    ⑤ QSFP+ ports
    ⑥ Fan module in slot 1
    ⑦ AC power supply in slot 0
    ⑧ AC power supply in slot 1
    ⑨ Power-supply slot numbers
    ⑩ Fan-module slot numbers and LEDs
    ⑪ QSFP+ port LEDs
    ⑫ USB Type-A port
    ⑬ RJ-45 console port

    Best Fit Applications

    High-Density Campus Access

    High-Density Campus Access

    Connect up to 48 Gigabit Ethernet endpoints in campus wiring closets, enterprise access layers, and high-density office networks.

    Virtual Chassis Deployments

    Virtual Chassis Deployments

    Use the four QSFP+ ports for scalable Virtual Chassis designs supporting up to 10 EX4300 switches under unified management.

    Data Center Access

    Data Center Access

    Provide 1GbE server and appliance connectivity with 40G QSFP+ uplinks for compact data center or top-of-rack access networks.

    Why EX4300-48T

    High-Density Gigabit Connectivity

    High-Density Gigabit Connectivity

    Forty-eight 10/100/1000BASE-T ports provide dense copper connectivity for enterprise access and data center networks.

    Scalable Virtual Chassis

    Scalable Virtual Chassis

    Four built-in QSFP+ ports support Virtual Chassis designs of up to 10 EX4300 switches and simplify multi-switch management.

    Serviceable Hardware

    Serviceable Hardware

    Hot-removable fan modules and support for redundant AC power supplies help simplify maintenance and improve platform availability.

    Compare Related Models

     
    EX4300-48T EX4300-48T
    Port Configuration 48 × 10/100/1000BASE-T 24 × 10/100/1000BASE-T 24 × 10/100/1000BASE-T 48 × 10/100/1000BASE-T 32 × 1G SFP
    PoE Not supported Not supported 24-port PoE+ 48-port PoE+ Not supported
    Uplink and VC Ports 4 × 40G QSFP+ 4 × 40G QSFP+ 4 × 40G QSFP+ 4 × 40G QSFP+ 4 × 10G SFP+ and 2 × 40G QSFP+
    Data Rate 496 Gbps 448 Gbps 448 Gbps 496 Gbps 464 Gbps
    Forwarding Performance 369 Mpps 333 Mpps 333 Mpps 369 Mpps 345 Mpps
    Power Supply 350W AC PSU 350W AC PSU 715W AC PSU 1100W AC PSU 350W AC PSU
    Recommended Use High-density non-PoE campus and data center access 24-port non-PoE access deployments Access networks requiring PoE+ for endpoints High-density PoE+ access networks Fiber-rich access and aggregation networks
    Not Ideal For Deployments that require PoE endpoint power Networks requiring more than 24 copper ports High-density 48-port copper deployments Low-power non-PoE deployments Copper-only endpoint deployments

    System Compatible Components

    Type Part Number Description
    Uplink Module EX-UM-4X4SFP Juniper EX4300 uplink module with four 10G SFP+ ports and four 1G SFP ports; optional module for supported EX4300 configurations.
    Type Part Number Description
    Power Supply JPSU-350-AC-AFO-A 350W AC front-to-back airflow power supply supported by the EX4300-48T.
    Type Part Number Description
    Fan Module EX4300-FAN Front-to-back airflow fan module supported by the EX4300-48T. Do not mix AFO and AFI airflow components.
    Type Part Number Description
    Rack Mounting Accessories EX-RMK Juniper EX4300 rack mount kit supported for standard rack installation.
    JNP-4PST-RMK-1U-E Enhanced four-post 1RU rack kit supported for EX4300 installation.

    Compatibility Check

    PoE Requirement

    EX4300-48T is a non-PoE model. Select a PoE model when connected devices require power over Ethernet.

    Virtual Chassis Configuration

    The four built-in QSFP+ ports can operate as network ports or Virtual Chassis ports and support up to 10 EX4300 switches in a Virtual Chassis.

    Airflow Compatibility

    The EX4300-48T uses front-to-back airflow components. Do not mix AFO and AFI power supplies or fan modules.

    Expansion and Cabling

    Verify the EX-UM-4X4SFP requirement, QSFP+ optics or DAC cable selection, and the intended Junos OS configuration before ordering.

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Juniper EX4300-48T Specification

    Product Identification
    Product Code EX4300-48T
    Product Description Juniper EX4300 Ethernet Switch with 48 Gigabit Ethernet Ports
    Product Type Fixed-configuration Ethernet switch
    Operating System Junos OS
    Form Factor 1RU fixed chassis
    PoE Not supported
    Interfaces and Ports
    Network Ports 48 × 10/100/1000BASE-T RJ-45 ports
    QSFP+ Ports 4 × 40G QSFP+ ports
    Virtual Chassis Ports The four built-in QSFP+ ports can operate as network ports or Virtual Chassis ports; configured as Virtual Chassis ports by default
    Optional Uplink Module EX-UM-4X4SFP: four 10G SFP+ ports and four 1G SFP ports
    Management Port 1 × RJ-45 management Ethernet port
    Console Ports 1 × RJ-45 console port and 1 × Mini-USB Type-B console port
    USB Port 1 × USB Type-A port
    Switching and Performance
    Backplane Speed 320 Gbps in Virtual Chassis configuration
    Packet Switching Capacity 248 Gbps unidirectional; 496 Gbps bidirectional
    Data Rate 496 Gbps
    Forwarding Performance 369 Mpps at wire speed
    Virtual Chassis Scale Up to 10 EX4300 switches
    QoS Queues 12 queues per port
    MAC Addresses 64,000
    VLAN IDs 4,093
    Jumbo Frames 9,216 bytes
    ARP Entries 64,000
    Link Aggregation Groups 128
    Ports per LAG 16
    MSTP Instances 64
    VSTP Instances 510
    sFlow Supported
    Routing and Forwarding Scale
    IPv4 Host Routes 32,000
    IPv4 RIB Prefixes 16,000
    IPv4 Multicast Entries 16,000
    IPv6 Host Routes 15,000
    IPv6 RIB Prefixes 4,000
    IPv6 Multicast Entries 16,000
    IPv6 Neighbor Discovery Entries 32,000
    Access Control and Mirroring
    Ingress VLAN ACLs 3,500
    Ingress Port ACLs 3,072
    Ingress Routed ACLs 7,000
    Egress VLAN ACLs 512
    Egress Port ACLs 512
    Egress Routed ACLs 1,024
    Mirroring Sessions 4
    Mirroring Destination Ports 4
    Mirroring Destination VLANs 1
    Management and Security
    Management Interfaces CLI, J-Web, Junos Space, Network Director, Routing Director, and Paragon management platforms
    Security IEEE 802.1AE MACsec support for link-layer confidentiality, integrity, and data-origin authentication
    MACsec Performance Up to 88 Gbps of near-line-rate hardware-based encryption on 1GbE and 10GbE ports
    Virtual Chassis Supported
    Virtual Chassis Fabric Supported
    Junos Fusion Supported
    Hardware
    Processor 1.5 GHz dual-core PowerPC processor
    DRAM 2 GB
    Internal Storage 2 GB
    Module Slots 1
    Fan Modules 2 × EX4300-FAN front-to-back airflow fan modules
    Fan Replacement Hot-removable and field-replaceable
    Power Supply Slots 2
    Power Supply Replacement Hot-removable and field-replaceable
    Airflow Direction Front-to-back
    Power
    Included Power Supply 1 × JPSU-350-AC-AFO-A 350W AC front-to-back airflow power supply
    Maximum Power Supply Capacity 350W per AC power supply
    Power Supply Airflow Front-to-back; AFO
    Power Supply Compatibility Do not mix AC and DC power supplies or AFI and AFO airflow components
    Dimensions and Weight
    Width 17.36 in. / 44.09 cm
    Height 1.72 in. / 4.37 cm
    Depth 16.38 in. / 41.61 cm
    Depth with FRUs 17.51 in. / 44.48 cm
    Chassis Weight 13 lb. / 5.9 kg
    Shipping Weight Not included because a verified shipping weight was not provided
    Rack Installation 1RU rack-mount installation
    Environmental Specifications
    Operating Temperature 32° to 113°F / 0° to 45°C
    Storage Temperature –40° to 158°F / –40° to 70°C
    Operating Humidity 10% to 85% noncondensing
    Nonoperating Humidity 0% to 95% noncondensing
    Operating Altitude Up to 10,000 ft. / 3,048 m
    Nonoperating Altitude Up to 16,000 ft. / 4,876 m
    Maximum Acoustic Output 37.8 dB
    Seismic Rating Zone 4
    Recommended Maintenance Clearance 24 in. / 60.96 cm
    Still unsure about your config? Talk to an engineer →

    Quality Certifications

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    Does the EX4300-48T support Layer 3 routing capabilities?

    Yes, the EX4300-48T switch supports Layer 3 IP routing, including static and dynamic routing protocols.

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    Juniper switches offer reliable and high-performance networking, leading to improved ICT product delivery, particularly in terms of speed and reliability.

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    The keyword "Juniper SDN switches" is relevant when discussing Juniper's switches compatible with SDN architectures.

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