EX4100-48T: 48-Port Non-PoE Gigabit Access Switch
The Juniper EX4100-48T is the non-PoE workhorse of the EX4100 line. Built for wired-only access at the lowest cost-per-port and lowest operating overhead in the family. 48 ports of standard 10/100/1000BASE-T, no PoE complexity, no high-wattage power supply. Identical Mist cloud automation, EVPN-VXLAN fabric extension, and MACsec encryption as the PoE-equipped EX4100 models, but without the cost and heat of PoE infrastructure that goes unused. As part of the
Juniper EX4100 Series, the 48T is the cost-rational choice when none of your access endpoints need PoE.
At a Glance
- Access ports: 48 x 10/100/1000BASE-T access ports (no PoE)
- PoE budget: N/A
- Uplinks: 4 x 1/10GbE SFP+ + 4 x 10/25GbE SFP28
- Switching capacity: 188 Gbps unidirectional / 376 Gbps bidirectional, 279 Mpps forwarding
- Form factor: 1U, 150W AC AFO (front-to-back airflow)
- Cloud management: Juniper Mist Wired Assurance + Marvis AI Assistant
Why the 48T is the right choice when PoE is unnecessary:
- Six-Times-Smaller Power Supply: 150W AC PSU versus 920W on the PoE-equipped EX4100 models. Lower amp draw at the rack, lower heat output, and a meaningful operating-cost reduction over the chassis lifetime.
- Full EX4100 Feature Parity: Same Mist cloud management, EVPN-VXLAN to access, MACsec AES-256, Virtual Chassis support. Only the PoE hardware is removed.
- Same Uplink Capacity as PoE Models: 4 x 1/10GbE SFP+ and 4 x 10/25GbE SFP28 stacking/uplink ports. Full feature parity with the rest of the EX4100 line for distribution connectivity.
- Mixed Virtual Chassis: Combine 48T (non-PoE) and 48P (PoE+) in the same Virtual Chassis. Appropriate when a closet has both desktop runs and PoE device runs.
- Lower Thermal Footprint: Cooler operation reduces wear on closet HVAC and extends chassis lifecycle. Practical impact in densely-packed rack environments.
- Reduced Acquisition Cost: PoE hardware is removed and list price reflects it. Meaningful TCO improvement when the access endpoints are wired-only.
Why the 48T Removes PoE — and What That Saves
Every PoE-capable access switch carries hardware that adds cost, weight, heat, and complexity even on ports that never deliver power. The 48T strips that overhead out. The PSU is sized for switching electronics only — 150W AC versus 920W on the 48P. The thermal envelope is correspondingly smaller, the fan duty cycle is lower, and the acquisition cost reflects the missing PoE controller silicon. This is the right call when none of your access endpoints — desktops, server NICs, conference-room jacks, kiosks — need PoE delivery.
- 150W Power Supply: Six-times smaller than the PoE-equipped 48P. Lower rack-power consumption, lower closet heat load, lower closet-HVAC duty cycle.
- Quieter Operation: Reduced fan duty cycle from the smaller PSU envelope. Practical when the switch shares a small room with people.
- Same Throughput as 48P: 188 Gbps unidirectional and 279 Mpps. Identical switching performance to the PoE-equipped 48-port model. You give up PoE, not switching capacity.
- In-Line Injectors for Retrofits: If a small number of ports later need PoE for retrofits, in-line PoE injectors at those specific runs are typically less expensive than the PoE chassis premium.
Need pricing or stock on the EX4100-48T? Our team responds with available inventory and condition reports within one business day.
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Switching for Wired-Only Access
The 48T inherits the same switching engine as the 48P: 188 Gbps unidirectional capacity, 279 Mpps L2/L3 forwarding, non-blocking architecture across all 48 access ports plus uplinks. The difference between the two SKUs lives at the power-supply and PoE-controller layer, not the switching ASIC.
- 188 Gbps Unidirectional / 376 Gbps Bidirectional: Non-blocking switching for 48 x 1GbE + 4 x 10GbE + 4 x 25GbE all active simultaneously.
- 279 Mpps L2/L3 Forwarding: Matches the 48P forwarding rate. Confirms the switching engine is identical between the two SKUs.
- 25GbE SFP28 Stacking: 4 ports flex between Virtual Chassis (25GbE per link) and Ethernet uplinks at deployment time.
- 10GbE SFP+ Uplinks: 4 always-on uplinks for northbound distribution-layer connectivity, even with SFP28 ports dedicated to stacking.
Hardware for Cost-Optimized Wired Closets
Built for closets where heat budget, power budget, and acquisition cost matter most. Desktop refresh closets, server-room top-of-rack for non-powered devices, cost-optimized branch sites. The dual hot-swappable 150W PSUs deliver redundancy without the closet-cooling impact of larger units.
- 1U Standard Form Factor: 10 lb (4.54 kg) chassis identical in dimensions to the 48P. Same rack patterns, same patching workflow.
- Dual 150W AC PSUs: Hot-swappable redundancy at one-sixth the power envelope of the PoE-equipped EX4100 models.
- 65.8 CFM Cooling, Lower Heat Load: Less PoE heat means less work for fans and surrounding HVAC. Particularly relevant in non-AC IDFs and remote sites.
- Field-Replaceable Fans: Two fan modules, redundant operation. Failed fan does not force chassis replacement.
- 0 to 45 C Operating Range: Same thermal envelope as the rest of the EX4100 line. Tolerates retrofit IDFs and remote sites with marginal cooling.
Security and Fabric Integration
Security and fabric features are consistent across the EX4100 line — the same MACsec, EVPN-VXLAN microsegmentation, and Junos-driven access control as the larger Juniper enterprise switching portfolio.
- MACsec AES-256: Line-rate switch-to-switch encryption on supported ports, securing traffic between access and distribution layers.
- EVPN-VXLAN to Access: Extend campus fabric segmentation end-to-end with group-based policies and consistent traffic isolation per device class.
- 802.1X Access Control: Port-based authentication, MAC authentication, RADIUS-driven dynamic VLAN assignment, and Voice VLAN support.
- Control-Plane Protection: CoPP, DHCP snooping, dynamic ARP inspection, IP source guard, and DDoS protection mitigate Layer 2/3 attacks.
Where the 48T Fits
Three deployment patterns where this SKU is the cost-rational choice over the PoE-equipped 48P.
Desktop Refresh Closets
Floors of standard wired desktops with no PoE phones (or with PoE phones consolidating onto an in-line injector). Every dollar saved per closet compounds across a multi-floor enterprise refresh.
Server-Room Top-of-Rack for Non-Powered Devices
Server NICs, storage arrays, KVMs, environmental sensors. None of these need PoE. Use this SKU as TOR aggregation for the non-PoE side of the rack and reserve a 48P for the small PoE corner.
Cost-Optimized Branch Sites
Small branches where the device mix is desktops, conference-room jacks, and standalone IP phones with their own power bricks. 48T per site is the right TCO play.
Where the 48T Earns Its Slot
Verticals where wired-only access is the norm and PoE would be an unnecessary cost on every access port.
- Server Rooms and Small Data Centers: TOR aggregation for non-PoE compute and storage equipment. Exactly where the PoE-equipped variant would be paying for hardware that never gets used.
- Financial Services Trading Floors: Wired-only desks by policy. No PoE phones, no Wi-Fi at the desktop. This switch per closet is the architectural fit.
- Corporate Desktop Refresh: Floor-by-floor refresh of standard wired desktops where PoE phones have already been migrated to softphones or external power adapters.
- Education Computer Labs: Fixed lab seating, wired desktops, no PoE endpoints. Cost-optimized switch per lab room.
Regulatory Compliance
The Juniper EX4100 line complies with major environmental and safety standards across all SKUs, enabling global deployments and sustainable lifecycle management.
- RoHS: Restriction of Hazardous Substances compliance.
- REACH: EU regulatory compliance for chemical-substance registration and authorization.
- WEEE: Waste Electrical and Electronic Equipment Directive for responsible recycling and end-of-life handling.
EX4100-48T vs. Other Juniper EX4100 Models
The EX4100 line includes four access switch models — here is how this one compares when picking the right platform.
Juniper EX4100-48T (this model)
- Access Ports: 48 x 10/100/1000BASE-T access ports (no PoE).
- PoE Budget: N/A.
- Best Use Case: Cost-efficient campus and branch access where endpoints do not need PoE.
Juniper EX4100-48MP
- Access Ports: 16 x 100M/1/2.5GbE + 32 x 10M/100M/1GbE PoE++ access ports.
- PoE Budget: 1620W (with dual PSUs).
- Best Use Case: High-density Wi-Fi 6/6E, IoT-heavy campuses, and smart buildings needing PoE++ across a full 48 ports with multigigabit headroom on 16 of them.
Juniper EX4100-24MP
- Access Ports: 8 x 100M/1/2.5/5/10GbE + 16 x 10M/100M/1GbE PoE++ access ports.
- PoE Budget: 1440W (with dual PSUs).
- Best Use Case: Smaller IDFs, branch sites, and focused AP/IoT deployments where multigigabit (up to 10GbE on copper) is required at lower port density.
Juniper EX4100-48P
- Access Ports: 48 x 10/100/1000BASE-T PoE+ access ports.
- PoE Budget: 1440W (with dual PSUs).
- Best Use Case: Traditional 1GbE campus deployments where PoE+ at 30W per port covers IP phones, Wi-Fi 5/6 APs, and standard IP cameras.
For broader Juniper switching options, browse the full
Juniper EX Series catalog, or compare against the newer-generation
EX4400 Series for higher-density multigigabit deployments.
Get the 48T in Stock
For wiring closets where access endpoints are wired-only and PoE is unnecessary — desktop refresh deployments, server-room TOR for non-powered devices, cost-optimized branch sites, lab and computer-room access — the
EX4100-48T is the right Juniper platform. BrightStar Systems ships tested, refurbished 48T units with documented condition reports and US-stock availability. Our team can advise on Virtual Chassis mixing (48T plus 48P) when a closet has a mix of PoE and non-PoE requirements.
Q: Why does the EX4100-48T have no PoE — what’s the use case?
A: The 48T removes PoE hardware and runs on a 150W AC power supply (versus 920W on the PoE-equipped 48P). It’s the right choice when access endpoints are wired-only: desktops, server NICs, conference-room jacks, kiosks. Removing PoE saves acquisition cost, reduces closet heat load, and lowers operating-energy draw across the chassis lifecycle.
Q: Can I add PoE later if some ports eventually need it?
A: Yes — in-line PoE injectors at the specific runs that need power are typically less expensive than the per-chassis PoE premium. Or you can mix the 48T with a PoE-equipped 48P in the same Virtual Chassis stack, dedicating the PoE switch to the small subset of powered endpoints.
Q: How much power does the 48T draw versus the PoE-equipped 48P?
A: The 48T runs on a 150W AC power supply, six times smaller than the 920W supply on the 48P. The thermal envelope is correspondingly smaller, fan duty cycle is lower, and the chassis runs cooler — practical in densely packed racks or closets shared with HVAC-marginal equipment.
Q: Is the switching engine the same as the PoE-equipped 48P?
A: Yes. The 48T and 48P share the identical switching ASIC, delivering 188 Gbps unidirectional capacity and 279 Mpps L2/L3 forwarding. The difference between the two SKUs is at the PoE controller and PSU layer — switching capacity, uplinks, and software features are identical.
Q: Can the 48T be mixed with PoE-equipped EX4100 models in a Virtual Chassis?
A: Yes. All EX4100 SKUs share the same 25GbE SFP28 stacking interconnect and Junos software stack. Mixing a 48T with a 48P or 48MP in the same Virtual Chassis is the typical pattern when a closet has both non-PoE and PoE device runs to aggregate.
