Description
Juniper EX3400-48T Ethernet Switch (48-Port Gigabit, Layer 3, SFP+/QSFP+)
Manufacturer: Juniper Networks, Inc
Part Number: B-EX3400-48T-3S-E
Website: www.juniper.net
Product Family: EX Series
Brand: Juniper Networks
Overview
The Juniper EX3400-48T Ethernet Switch delivers high-performance, scalable, and reliable connectivity for enterprise and campus networks.
Built for modern data, voice, and video environments, it provides a cost-effective and flexible solution for both access and aggregation layers.
With Virtual Chassis and Junos Fusion Enterprise technologies, the EX3400 simplifies network management, enabling multiple switches to function as one logical device, reducing complexity and operational overhead.
Key Features and Benefits
High Performance and Scalability
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48 × Gigabit Ethernet ports (10/100/1000Base-T).
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4 × 10GbE SFP+ uplink and 2 × 40GbE QSFP+ uplink ports.
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Supports Virtual Chassis technology for managing up to 10 interconnected switches as a single device.
Flexible Deployment Options
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Compact 1U rack-mountable or wall-mountable form factor.
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Front-to-back or back-to-front cooling, suitable for data center deployments.
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Redundant, hot-swappable power supplies ensure maximum uptime.
Advanced Layer 2/3 Functionality
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Layer 2 switching with RIP and static routing.
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Layer 3 support (optional license) for OSPF, VRRP, PIM, BFD, and virtual routers.
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IPv6-ready with support for OSPFv3, VRRPv6, and PIM.
Simplified Management
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Unified Junos® operating system across all Juniper devices.
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Centralized software upgrades and single management interface.
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Compatible with Junos Fusion Enterprise, allowing multiple EX3400s to operate as satellite devices under one logical system.
Energy Efficient and Eco-Friendly
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Fully compliant with RoHS-6, WEEE, REACH, China RoHS, and Green Dot standards.
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Energy Efficient Ethernet (EEE) reduces power consumption during low network activity.
Technical Specifications
| Specification | Details |
|---|---|
| Network Ports | 48 × Gigabit Ethernet (10/100/1000Base-T) |
| Uplink Ports | 4 × 10GbE SFP+, 2 × 40GbE QSFP+ |
| Expansion Slots | 6 total (4 × SFP+, 2 × QSFP+) |
| Switching Capacity | Up to 176 Gbps |
| Layer Support | Layer 3 (with license) |
| Power Supply | AC Power Supply (Redundant supported) |
| Dimensions (W × H × D) | 17.4 × 1.7 × 13.8 in |
| Weight | 10.49 lb (4.76 kg) |
| Form Factor | 1U Rack-mountable / Wall-mountable |
| Environmental Certifications | RoHS-6, WEEE, REACH, China RoHS, Green Dot |
| Warranty | Limited Lifetime Warranty |
Package Contents
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1 × Juniper EX3400-48T Ethernet Switch
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1 × AC Power Supply Unit
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Rack-mount accessories
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Quick installation guide
Why Choose the Juniper EX3400-48T
The Juniper EX3400-48T stands out as one of the most trusted enterprise access switches in the market.
It’s perfect for organizations upgrading from legacy Layer 2 switches or expanding their campus networks with future-ready 10GbE and 40GbE uplinks.
Offering the ideal balance of performance, manageability, and scalability, the EX3400 is designed to deliver seamless, reliable, and secure network access for modern enterprises.
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