Description
The Juniper Networks EX4100-48T-DC is a high-performance, 48-port Gigabit Ethernet Layer 2/Layer 3 access switch designed for enterprise campus, branch, and data center deployments. It combines advanced security, cloud readiness, and AI-driven automation with the power of Juniper Mist™ Wired Assurance and Marvis Virtual Network Assistant.
This model supports 48x 10/100/1000BASE-T non-PoE access ports, 4x 10GbE SFP+ uplinks, and 4x 25GbE SFP28 stacking/uplink ports, all powered by a 150 W DC power supply with front-to-back airflow (AFO). Built for modern cloud and AI environments, it features MACsec AES-256 encryption, EVPN-VXLAN, and Virtual Chassis technology for simplified management of up to ten interconnected switches.
The EX4100-48T-DC delivers enterprise-class reliability through redundant hot-swappable fans and field-replaceable DC power supplies, ensuring maximum uptime. Managed from the cloud via Mist AI, it provides real-time telemetry, anomaly detection, and AI-driven insights that simplify operations, accelerate troubleshooting, and enhance the user experience across connected devices.
| Feature | Specification |
|---|---|
| Model | Juniper Networks EX4100-48T-DC |
| Form Factor | 1U rack-mountable |
| Access Ports | 48x 10/100/1000BASE-T (non-PoE) |
| Uplink Ports | 4x 10 GbE SFP+ |
| Stacking / Additional Uplinks | 4x 25 GbE SFP28 (Virtual Chassis or uplink configurable) |
| Switching Capacity | 188 Gbps (unidirectional) / 376 Gbps (bidirectional) |
| Throughput | 279 Mpps |
| Power Supply | 150 W DC AFO (front-to-back airflow) |
| Cooling | Dual field-replaceable fans (hot-swappable) |
| Airflow Direction | AFO (front-to-back) |
| Redundancy | Hot-swappable power supplies and fans |
| Encryption | IEEE 802.1AE MACsec AES-256 |
| Layer Support | Full Layer 2 and Layer 3 |
| Virtual Chassis | Supports up to 10 interconnected switches |
| Management | Juniper Mist Cloud with Wired Assurance, Marvis VNA |
| Telemetry | Flow-based telemetry, Junos Telemetry Interface (JTI) |
| Operating System | Junos OS |
| Operating Temperature | 0 °C to 45 °C (32 °F to 113 °F) |
| Dimensions (W × H × D) | 17.36 × 1.72 × 15.05 in (44.1 × 4.37 × 38.24 cm) |
| Weight | 10 lb (4.54 kg) |
| Noise Level | Typical 37.7 dBA |
| Mounting | Rack-mountable (kit included) |
| Warranty | Enhanced Limited Lifetime Warranty (with software updates) |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
