Description
The Juniper EX4100-48T is a high-performance, secure, and cloud-ready 48-port Gigabit Ethernet access switch built for enterprise campus, branch, and data center environments. Designed to integrate seamlessly with Juniper Mist™ Wired Assurance and powered by Mist AI™, it enables automated operations, advanced analytics, and superior network visibility.
Featuring 48x 10/100/1000BASE-T ports, 4x 10GbE uplinks, and 4x 25GbE stacking/uplink ports, the EX4100-48T supports MACsec AES256 encryption and Juniper Virtual Chassis technology, allowing up to 10 switches to operate as one logical device. It delivers carrier-class reliability with redundant fans and a hot-swappable 150W AC power supply for maximum uptime.
Built on the Junos® OS, the EX4100-48T offers advanced L2/L3 capabilities, EVPN-VXLAN fabric integration, group-based policy microsegmentation, and flow-based telemetry for real-time visibility and anomaly detection—making it a robust solution for scalable, AI-driven enterprise networks.
| Feature | Description |
|---|---|
| Model Number | EX4100-48T |
| Form Factor | 1U Rackmount |
| Access Ports | 48x 10/100/1000BASE-T (non-PoE) |
| Uplink Ports | 4x 1/10GbE SFP+ uplinks |
| Stacking Ports | 4x 25GbE SFP28 ports (also usable as uplinks) |
| Switching Capacity | 188 Gbps (unidirectional) / 376 Gbps (bidirectional) |
| Throughput | 279 Mpps (64-byte packets) |
| CPU / Memory | 1.7 GHz ARM CPU / 4 GB DRAM (ECC) / 8 GB storage |
| Virtual Chassis | Supports up to 10 members with 200 Gbps interconnect |
| Encryption | IEEE 802.1AE MACsec AES-256 |
| Management | Juniper Mist Cloud, Junos OS CLI, SNMP, Web GUI |
| Operating System | Junos® OS |
| High Availability | Redundant, hot-swappable fans and power supplies |
| Power Supply | 150 W AC (JPSU-150-AC-AFO included) |
| Cooling | Front-to-back airflow (AFO) |
| Dimensions (W x H x D) | 17.36 x 1.72 x 15.05 in (44.1 x 4.37 x 38.24 cm) |
| Weight | 10 lb (4.54 kg) |
| Operating Temperature | 0°C to 45°C (32°F to 113°F) |
| Environmental Compliance | RoHS 6/6, ENERGY ECR 3.0.1, FCC, CE, UL 62368-1 |
| Warranty | Enhanced Limited Lifetime Warranty with lifetime 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
