The Juniper EX4100-48P provides dependable campus access for enterprise networks that need powered connectivity and simple scaling from a managed switch. With PoE and stacking support, it helps office floors, clinics and branch spaces connect desks, phones and access points with less complexity.
As endpoint counts rise and access closets carry more voice, wireless, and device traffic, infrastructure teams need powered switching that keeps density high without adding unnecessary complexity.
The Juniper EX4100-48P is an access switch for production environments that need reliable PoE connectivity across desks, phones, cameras, and access points. Its 48×RJ45 1G ports and 1800 W PoE budget suit large floor plates and device-heavy closets where gigabit access is the right fit.
Support for stacking helps teams manage several switches as one access layer, while hot-swappable PSUs support maintenance without unnecessary disruption. That makes the platform practical where access services must stay available during busy operational hours.
The EX4100-48P helps reduce the need for separate injectors and fragmented power arrangements. It gives network teams a straightforward way to add powered endpoints, keep cabling organised, and extend a consistent access design across sites.
Our team can help you assess where the Juniper EX4100-48P fits best and plan a deployment approach aligned to your access requirements.
Juniper EX4100-48P is an enterprise access switch for campus and branch network environments, delivering a platform for dependable connectivity, operational consistency, and scalable switching in modern access layers.
High-Density Copper Access
The switch provides 48 x RJ45 1G ports for wired endpoint and access-layer connectivity.
Uplink Expansion
Four SFP+ uplink ports extend the access design for higher-speed aggregation and upstream network connectivity.
PoE Delivery Model
A 1800 W PoE budget supports power delivery to connected devices through the access layer.
Stackable Switching
Stacking support enables multiple units to operate as a coordinated switching system for expanded access deployments.
Unified Switch Control
Stacking support simplifies day-to-day operations by allowing the access layer to be managed as a cohesive system.
Power-Aware Deployment
The PoE-capable design helps align network access and device power delivery within a single switching platform.
Scalable Access Fabric
The combination of fixed access ports, uplinks, and stacking supports orderly growth in enterprise network environments.
If you are planning an access-layer refresh or adding powered endpoints, our team can help align EX4100-48P design choices with your switching and deployment requirements.
| Product Family | Juniper EX |
|---|---|
| Product Series | EX4100 |
| Deployment | Campus |
| Target Organisation Size | Enterprise |
| Primary Use Case | Access |
| Product Tier | Flagship |
| Network Architecture | Layer 3 |
| Access Ports | 48 |
| Access Port Architecture | RJ45 1G |
| Uplink Ports | 4 |
| Uplink Architecture | SFP+ |
| Total Ports | 52 |
| Maximum Port Speed | 25G |
| Port Configuration | 48×RJ45 1G + 4×SFP+ |
| PoE | Yes |
| PoE Budget (W) | 1800 |
| Stacking | Supported |
| Operating System | |
| Power Redundancy | Hot-swappable PSUs |
| Maximum VLANs | 4094 |
| Routing Capability | Dynamic |
| Switching Capacity (Gbps) |
Juniper EX4100-48P is a powered gigabit access switch for high-density edge closets where many desks, phones, cameras and access points need reliable connectivity without the cost of multi-gigabit ports. It fits organisations that want simple, scalable access in busy operational spaces.
In professional services offices, the EX4100-48P gives IT teams enough PoE density for desks, handsets and wireless access points from one closet. It helps avoid overbuying higher-speed ports when standard gigabit access is the practical requirement.
Healthcare sites often need a single access layer for office endpoints and powered devices in wards or clinics. The EX4100-48P supports those high device counts with predictable gigabit connectivity and less cabling and power sprawl.
Finance teams running branch or back-office floors need secure powered access for workstations, voice and surveillance. The EX4100-48P suits these environments when port density matters more than multi-gigabit bandwidth, keeping refresh budgets under control.
Logistics depots gather scanners, cameras, phones and APs into one access closet, often with limited staff on site. The EX4100-48P reduces edge complexity by concentrating many powered connections into a single managed switch.
Manufacturing support spaces need PoE for cameras, terminals, phones and local wireless, but not always separate injectors or power supplies. The EX4100-48P matches that mix where endpoint count is high and bandwidth stays at 1GbE.
Our team can help design and deploy Juniper EX4100-48P access switching for offices, healthcare, finance, logistics and manufacturing environments, with attention to port density, closet layout, recovery needs and day-to-day operational overhead.
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Below you’ll find alternative models, suitable software and services that pair with this solution – helping you to avoid compatibility issues, reduce support overhead and deploy with confidence.
Not all deployments fit standard configurations. If you’re weighing up options or want a second opinion on your setup, our team is here to help with honest, straightforward advice backed by decades of vendor knowledge.
