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Name:
EX4300-48T-TAA
- Description:
- EX4300 TAA, 48-Port 10/100/1000BaseT + 350W AC PS
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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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EX4300-48T-TAA Overview
EX4300-48T-TAA is a high-performance, fixed-configuration switch built on a robust architecture optimized for enterprise and campus networks. It features 48 copper 10/100/1000 ports with 4 dedicated 1G SFP uplink ports, offering flexible power options and excellent scalability to support growing network demands.
This model leverages Virtual Chassis technology for effective stacking and manages both Layer 2 and Layer 3 operations with high throughput and low latency. Its proven performance and streamlined deployment make it ideal for access and aggregation use cases in medium to large-scale environments.
What is the price of EX4300-48T-TAA?
Pricing for EX4300-48T-TAA is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for EX4300-48T-TAA.
Explore more options from Switches or explore other Juniper products.
EX4300-48T-TAA Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | N/A |
| 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 | No |
| Manufacturer Part Number | EX4300-48T-TAA |
| Uplink Configuration | 1G |
| IOS | IP Lite |
| POE Support | Non POE |
| SFP Ports | 4 SFP Ports |
| Memory | 256 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 48 x 10/100/1000 copper ports with 4 x 1G SFP uplink ports |
| Flash Memory | 256 MB |
| Switching Capacity | 128 Gbps |
| Switching Capacity With Stacking | N/A |
| Product Name | Juniper Networks EX4300-48T-TAA Fixed Switch |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 11 inches |
| Weight | 11 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 11.5 inches | 11 inches | 11 inches | 10 inches | 17.3 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 64 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 | 1.73 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | LAN Base | IP Lite | IP Lite | LAN Base | LAN Base |
| 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-DC | EX4300-48T-TAA | EX4300-48T-AFI-TAA | EX4300-24P-TAA | EX4300-48P-TAA |
| Media Type Supported | Twisted Pair / Fiber | Twisted Pair | Twisted Pair | Twisted Pair | Twisted Pair |
| Memory | 256 MB | 256 MB | 4 GB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 48 Ports | 48 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | POE+ | POE+ |
| Port/Expansion Slot Details | N/A | 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 |
| Power Consumption | 30 W | N/A | 370 W | N/A | 370 W |
| Power Source | DC Power Supply | AC Power Supply | Redundant Power Supply | AC Power Supply | AC Power Supply |
| Product Name | EX4300-48T-DC Ethernet Switch | Juniper Networks EX4300-48T-TAA Fixed Switch | Juniper Networks EX4300-48T-AFI-TAA Ethernet Switch | Juniper Networks EX4300-24P-TAA Ethernet Switch | Juniper EX4300-48P-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 | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 176 Gbps | 128 Gbps | 1280 Gbps | 128 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 352 Gbps | N/A | N/A | 320 Gbps | 320 Gbps |
| Uplink Configuration | 1G / 10G | 1G | 1G | 10G | 1G |
| Weight | 13 lbs | 11 lbs | 12 lbs | 13 lbs | 12 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.56 inches | 17.5 inches |
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Questions & Answers
Q
What is the Juniper EX4300-48T-TAA switch?
A
The Juniper EX4300-48T-TAA is a TAA-compliant, 48-port 10/100/1000BaseT Ethernet switch with a built-in 350 W AC power supply designed for enterprise access and distribution layers.
Q
How many ports and port speeds does the EX4300-48T-TAA support?
A
The EX4300-48T-TAA provides 48 fixed 10/100/1000BaseT RJ-45 ports, each supporting Auto Speed (10/100/1000 Mbps) with full wire-speed switching.
Q
What power supply is included with the EX4300-48T-TAA?
A
The EX4300-48T-TAA includes an internal 350 W AC power supply that delivers up to 350 W for system operation and optional PoE modules.
Q
Is the Juniper EX4300-48T-TAA Trade Agreements Act (TAA) compliant?
A
Yes. The EX4300-48T-TAA meets Trade Agreements Act (TAA) requirements, making it eligible for U.S. federal government procurements.
Q
Which operating system does the EX4300-48T-TAA use?
A
The EX4300-48T-TAA runs Juniper Networks Junos OS, offering a consistent CLI, advanced routing, switching, and automation features.
Q
Does the EX4300-48T-TAA support Virtual Chassis technology?
A
Yes. The switch supports Juniper Virtual Chassis, allowing up to 10 EX4300 devices to operate as a single logical switch for simplified management.
Q
What is the switching capacity and forwarding rate of the EX4300-48T-TAA?
A
The EX4300-48T-TAA delivers a switching capacity of 176 Gbps and a forwarding rate of up to 131 Mpps for low-latency performance.
Q
Can you stack multiple EX4300-48T-TAA switches?
A
Yes. You can stack up to 10 EX4300-48T-TAA switches using dedicated Virtual Chassis ports for high availability and simplified scaling.
Q
What are the physical dimensions and rack requirements for the EX4300-48T-TAA?
A
The EX4300-48T-TAA is 1.72 in H x 17.10 in W x 14.37 in D, weighs 14 lbs, and fits a standard 1RU rack space with front-to-back cooling.
Q
Does the EX4300-48T-TAA support Power over Ethernet (PoE)?
A
The base EX4300-48T-TAA does not include PoE. You can install an optional PoE+ PSU to support up to 30 W per port for powered devices.
Q
What management interfaces are available on the EX4300-48T-TAA?
A
Management options include a front-panel USB port, a RJ-45 console port, an out-of-band Ethernet management port, plus SNMP and Junos Space support.
Q
What is the MTBF and reliability of the EX4300-48T-TAA?
A
The EX4300-48T-TAA offers an MTBF exceeding 200,000 hours and redundant fan trays for continuous operation in critical environments.
Q
What warranty and support options are available for the EX4300-48T-TAA?
A
Juniper provides a limited lifetime warranty, with optional Juniper Care support for 24x7 hardware replacement and software updates.
Q
How does the EX4300-48T-TAA handle security and VLAN segmentation?
A
The EX4300-48T-TAA supports advanced security with MACsec, DHCP snooping, dynamic ARP inspection, and up to 4K VLAN IDs for segmented networks.
Q
What are common use cases for the EX4300-48T-TAA in enterprise networks?
A
Typical deployments include campus access switches, data center top-of-rack aggregation, and branch office distribution with high-performance, TAA-compliant switching.
