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EX4300-48T-AFI-TAA
- Description:
- EX4300 TAA, 48-Port 10/100/1000BaseT + 350W AC PS (Airflow in)
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3 Year Extended Warranty
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
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EX4300-48T-AFI-TAA Overview
EX4300-48T-AFI-TAA is a high-performance, rack-mount Ethernet switch engineered with a robust architecture that integrates Virtual Chassis stacking technology. Built to support both Layer 2 and Layer 3 operations, it delivers 48 fixed 10/100/1000 Ethernet ports alongside four dedicated 1G SFP uplink ports while offering flexible power options with built-in redundant power supply support.
Optimized for scalability and dependable performance, this switch is designed for enterprise campus, branch, and data center edge use cases where high-density connectivity and low latency are paramount. Its stacking capabilities simplify management across multiple units while ensuring that network growth is seamless and the critical infrastructure runs smoothly.
What is the price of EX4300-48T-AFI-TAA?
Pricing for EX4300-48T-AFI-TAA is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for EX4300-48T-AFI-TAA.
Explore more options from Switches or explore other Juniper products.
EX4300-48T-AFI-TAA Specifications
| Product Type | Switch |
| Power Source | Redundant Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | 370 W |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 48 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Twisted Pair |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | EX4300-48T-AFI-TAA |
| Uplink Configuration | 1G |
| IOS | IP Lite |
| POE Support | Non POE |
| SFP Ports | 4 SFP Ports |
| Memory | 4 GB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP uplink ports |
| Flash Memory | 256 MB |
| Switching Capacity | 1280 Gbps |
| Switching Capacity With Stacking | N/A |
| Product Name | Juniper Networks EX4300-48T-AFI-TAA Ethernet Switch |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 11 inches |
| Weight | 12 lbs |
EX4300-48T-AFI-TAA Use Case
TAA-Compliant Campus Aggregation for Federal and Defense Networks
Deploy the EX4300-48T-AFI-TAA as a high-density 1 GbE aggregation switch in government or defense facilities to meet Trade Agreements Act (TAA) requirements. Benefit: Achieve full compliance with U.S. procurement mandates while delivering 48 ports of 10/100/1000Base-T connectivity, front-to-back airflow and seamless Virtual Chassis management for high availability and simplified operations.
Data Center Top-of-Rack Aggregation for Virtualized Workloads
Use the EX4300-48T-AFI-TAA as a Top-of-Rack (ToR) switch in enterprise and service-provider data centers to aggregate server and storage traffic over 48 copper ports with 1 GbE speeds. Benefit: Leverage Virtual Chassis and MLAG to deliver sub-millisecond latency, resilient link aggregation and 350 W AC power support, reducing cabling complexity and maximizing throughput for virtualized environments.
Branch Office Network Consolidation for Multi-Site Retail
Implement the EX4300-48T-AFI-TAA at satellite retail locations to converge user access, IP telephony and security cameras on a single 48-port switch. Benefit: Centralize policy enforcement via Junos OS, enable zero-touch provisioning and front-to-back airflow, driving down operational expenses while boosting network uptime and user experience across dozens of stores.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 11 inches | 11 inches | 10 inches | 10.8 inches | 8.7 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10GbE | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | IP Lite | IP Lite | LAN Base | IP Lite | N/A |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | EX4300-48T-TAA | EX4300-48T-AFI-TAA | EX4300-24P-TAA | EX4300-32F | EX4300-24T |
| Media Type Supported | Twisted Pair | Twisted Pair | Twisted Pair | Fiber | Twisted Pair |
| Memory | 256 MB | 4 GB | 256 MB | 512 MB | 512 MB |
| Number of Downlink Ports | 48 Ports | 48 Ports | 24 Ports | 32 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports |
| POE Support | Non POE | Non POE | POE+ | Non POE | Non POE |
| Port/Expansion Slot Details | 48 x 10/100/1000 copper ports with 4 x 1G SFP uplink ports | 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP uplink ports | 24 PoE+ ports and 4 SFP+ uplink ports | N/A | 24 x 10/100/1000 RJ-45 ports and 4 x 10GbE SFP+ uplink ports |
| Power Consumption | N/A | 370 W | N/A | 90W | 87 W |
| Power Source | AC Power Supply | Redundant Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Juniper Networks EX4300-48T-TAA Fixed Switch | Juniper Networks EX4300-48T-AFI-TAA Ethernet Switch | Juniper Networks EX4300-24P-TAA Ethernet Switch | Juniper Networks EX4300-32F Ethernet Switch | Juniper EX4300-24T Ethernet Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | Yes | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 32 SFP+ Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 1280 Gbps | 128 Gbps | 640 Gbps | 128 Gbps |
| Switching Capacity with Stacking | N/A | N/A | 320 Gbps | 640 Gbps | 320 Gbps |
| Uplink Configuration | 1G | 1G | 10G | 10G | 10G |
| Weight | 11 lbs | 12 lbs | 13 lbs | 7.5 lbs | 9.4 lbs |
| Width | 17.5 inches | 17.5 inches | 17.56 inches | 17.5 inches | 19 inches |
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Questions & Answers
Q
What is the Juniper EX4300-48T-AFI-TAA switch?
A
The EX4300-48T-AFI-TAA is a TAA-compliant, 48-port Gigabit Ethernet switch with a 350 W AC power supply and front-to-back airflow designed for enterprise and data center deployments.
Q
How many and what type of ports does the EX4300-48T-AFI-TAA offer?
A
This model provides 48 10/100/1000 Base-T RJ-45 ports and four dual-rate 10 GbE SFP+ uplink ports for high-speed connectivity.
Q
Is the EX4300-48T-AFI-TAA TAA compliant?
A
Yes. The EX4300-48T-AFI-TAA meets Trade Agreements Act requirements for U.S. government procurement and related projects.
Q
What is the power supply specification for the EX4300-48T-AFI-TAA?
A
It includes an internal 350 W AC power supply supporting 100–240 V AC input, optimized for energy efficiency and redundant power configurations in multi-unit deployments.
Q
Which direction is the airflow on the EX4300-48T-AFI-TAA?
A
The switch uses front-to-back (airflow in) cooling, drawing cool air from the front and exhausting warm air out the rear, ideal for hot-aisle/cold-aisle data center layouts.
Q
How many EX4300 switches can I stack in a Virtual Chassis?
A
You can stack up to 10 EX4300 switches in a single Virtual Chassis, creating a unified, resilient system with a single management IP address.
Q
What is Juniper Virtual Chassis technology?
A
Virtual Chassis allows multiple EX4300 switches to operate as one logical device, simplifying management, improving redundancy, and enabling non-blocking fabric speeds.
Q
What operating system runs on the EX4300-48T-AFI-TAA?
A
The switch runs Junos OS, offering a stable, modular architecture with advance routing, switching, and automation features.
Q
What is the switching capacity and forwarding rate?
A
It delivers up to 1.28 Tbps of switching capacity and a packet forwarding rate of up to 952 Mpps, ensuring low-latency performance.
Q
Does the EX4300-48T-AFI-TAA support Power over Ethernet (PoE)?
A
No. The EX4300-48T-AFI-TAA does not provide PoE or PoE+; it is designed for pure data switching without inline power delivery.
Q
Which management interfaces are available?
A
Management options include a dedicated RJ-45 out-of-band management port, an RJ-45 console port, and support for SNMP, NETCONF, SSH, and Junos Automation.
Q
What are the environmental operating ranges?
A
The switch operates from 0 °C to 40 °C (32 °F to 104 °F) with 5%–90% non-condensing humidity, complying with NEBS and ETSI standards.
Q
What is the warranty coverage for the EX4300-48T-AFI-TAA?
A
Juniper offers a limited lifetime hardware warranty, with next-business-day advance replacement for defective units and 90 days of Juniper technical support.
Q
Do I need additional licenses for Layer 3 routing features?
A
No. All Layer 3 routing features, including OSPF, BGP, and VRF lite, are enabled by default in Junos OS on the EX4300-48T-AFI-TAA.
Q
What typical use cases suit the EX4300-48T-AFI-TAA?
A
Ideal for campus access aggregation, small data center top-of-rack deployments, and secure government networks requiring TAA compliance.
Q
How do I monitor performance and alerts?
A
Use Junos Space Network Director, SNMP telemetry, Syslog, and Juniper’s native event scripts to collect real-time performance metrics and automated alerts.
