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Strong PoE budget for access layer deployments.
EX4300-48P-TAA
EX4300 TAA, 48-Port 10/100/1000BaseT PoE-plus + 1100W AC PS...
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EX4300-48P-TAA
EX4300 TAA, 48-Port 10/100/1000BaseT PoE-plus + 1100W AC PS...
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EX4300-48P-TAA delivers a high-performance switching architecture designed for enterprise and campus deployments. It features an advanced design with PoE+ capabilities, versatile AC power options, and a rich array of 10/100/1000 Ethernet ports that enable efficient data transmission and connectivity.
Optimized for scalability and future growth, the switch supports Virtual Chassis stacking to seamlessly expand network capacity while maintaining high performance. Ideal for access and aggregation use cases, EX4300-48P-TAA offers reliable connectivity for environments requiring high-density power delivery and enhanced network management.
EX4300-48P-TAA price is is available on request. Get immediate quote.
Request bulk order quote for EX4300-48P-TAA for additional pricing. Browse the full Juniper Ex4300 Series Ethernet Switches series or explore all Juniper products.
A large university deploys EX4300-48P-TAA switches in each building’s wiring closet to power 40+ 802.11ax access points and IP phones over a single fiber uplink. With 800W of PoE+ capacity and Virtual Chassis scaling, IT teams deliver consistent 1 Gbps connectivity, seamless roaming, and centralized management. Outcome: simplified cabling, predictable performance under peak load, and 30% faster VoIP setup times.
A national retail chain installs EX4300-48P-TAA switches in store backrooms to power digital signage, barcode scanners, and point-of-sale terminals using 48-port PoE+. Integrated QoS and VXLAN support prioritize transaction traffic while isolating guest Wi-Fi. Outcome: 99.9% network uptime, unified store floor communications, and a 25% reduction in on-site network maintenance costs.
A manufacturing plant leverages EX4300-48P-TAA to connect IP cameras, environmental sensors, and automated guided vehicles across the production floor. The switch’s robust PoE+ power budget and redundant AC power supplies ensure continuous operations in harsh conditions. Outcome: real-time visibility into production metrics, 20% improvement in equipment uptime, and streamlined predictive maintenance workflows.
To get the detailed certification, please go to the Compliance Center.
 EX4300-48P-TAA |  EX4300-48T-DC |  EX4300-48T-AFI-TAA |  EX4300-32F |  EX4300-48T-DC-TAA | |
|---|---|---|---|---|---|
| Depth | 17.3 inches | 11.5 inches | 11 inches | 10.8 inches | 11.3 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10GbE | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.73 inches |
| IOS | LAN Base | LAN Base | IP Lite | IP Lite | IP Lite |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| 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 | EX4300-48P-TAA | EX4300-48T-DC | EX4300-48T-AFI-TAA | EX4300-32F | EX4300-48T-DC-TAA |
| Media Type Supported | Twisted Pair | Twisted Pair / Fiber | Twisted Pair | Fiber | Twisted Pair |
| Memory | 256 MB | 256 MB | 4 GB | 512 MB | 512 MB |
| Number of Downlink Ports | 48 Ports | 48 Ports | 48 Ports | 32 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | N/A | 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP uplink ports | N/A | 48 x 10/100/1000 copper ports, 4 SFP uplink ports |
| Power Consumption | 370 W | 30 W | 370 W | 90W | 250W |
| Power Source | AC Power Supply | DC Power Supply | Redundant Power Supply | AC Power Supply | N/A |
| Product Name | Juniper EX4300-48P-TAA Ethernet Switch | EX4300-48T-DC Ethernet Switch | Juniper Networks EX4300-48T-AFI-TAA Ethernet Switch | Juniper Networks EX4300-32F Ethernet Switch | Juniper Networks EX4300-48T-DC-TAA 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 | No | Yes | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 32 SFP+ Ports | 4 SFP Ports |
| Switching Capacity | 176 Gbps | 176 Gbps | 1280 Gbps | 640 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 320 Gbps | 352 Gbps | N/A | 640 Gbps | N/A |
| Uplink Configuration | 1G | 1G / 10G | 1G | 10G | 1G / 10G |
| Weight | 12 lbs | 13 lbs | 12 lbs | 7.5 lbs | 13 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Strong PoE budget for access layer deployments.
TAA compliance simplified procurement.
Reliable switching performance.
Easy to stack and manage.
Very dependable.
The EX4300-48P-TAA is a 48-port 10/100/1000Base-T PoE+ switch with an 800W PoE budget and 1100W AC supply, designed for secure, high-density enterprise access under TAA compliance.
The switch provides up to 800W of IEEE 802.3at PoE+ power across 48 ports, supporting VoIP phones, wireless APs and surveillance cameras without external injectors.
With a non-blocking throughput of 176 Gbps and forwarding capacity of 131 Mpps, the EX4300-48P-TAA handles demanding Layer 2 and Layer 3 workloads at wire speed.
Yes, the EX4300-48P-TAA meets Trade Agreements Act (TAA) requirements for U.S. government procurement, ensuring secure procurement in regulated environments.