Juniper EX4100-H-12MP Ethernet Switch
The Juniper EX4100-H-12MP is a hardened multigigabit Ethernet switch engineered for high-performance access deployments in demanding network environments. This managed PoE++ switch combines flexible port configurations with enterprise-grade security, delivering 12 power-over-Ethernet access ports rated at 90W per port, alongside 4x10GbE uplinks for backbone connectivity. Built on Junos OS, it provides advanced switching capabilities, MACsec encryption, and automation features ideal for campus networks, branch offices, and industrial IoT deployments requiring hardened, secure access layer switching.
Key Features
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12 PoE++ Access Ports — 4x 100MB/1GbE/2.5GbE + 8x 10MB/100MB/1GbE with up to 90W per port for powered devices
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4x 10GbE Uplink Ports — High-speed backbone connectivity for aggregation and core network links
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2x 10GbE Stacking/Uplink Ports — Flexible deployment for stack formation or additional uplink capacity
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MACsec AES256 Encryption — Link-layer security for sensitive network traffic and compliance requirements
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Junos OS Platform — Advanced switching, VLAN management, QoS, and network automation capabilities
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Hardened Design — Built for resilience in challenging deployment environments
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340W AC Power Supply — External power delivery for reliable PoE++ operation across all access ports
Technical Specifications
| Manufacturer |
Juniper Networks |
| Part Number |
EX4100-H-12MP |
| Product Series |
EX4100-H |
| Access Ports |
12 PoE++ ports (4x 2.5GbE + 8x 1GbE) |
| Uplink Ports |
4x 10GbE + 2x 10GbE stacking/uplink |
| PoE Power Budget |
90W per port maximum |
| Security |
MACsec AES256 encryption |
| Operating System |
Junos OS |
| Power Supply |
External 340W AC |
| Form Factor |
Fixed configuration managed switch |
Frequently Asked Questions
What is the maximum power delivery per PoE++ port on the EX4100-H-12MP?
Each of the 12 PoE++ access ports supports up to 90W of power delivery, enabling connection of high-power devices such as access points, IP cameras, and wireless controllers without requiring separate power infrastructure.
Does the Juniper EX4100-H-12MP support link encryption?
Yes, the switch includes MACsec AES256 encryption for securing Layer 2 traffic between connected devices, providing compliance-grade link security for sensitive network segments.
How many 10GbE uplink ports are available on this Ethernet switch?
The EX4100-H-12MP provides 4 dedicated 10GbE uplink ports plus 2 additional 10GbE stacking/uplink ports, offering flexible high-speed backbone connectivity options for network aggregation and inter-switch communication.
What operating system runs on the Juniper EX4100-H-12MP?
The switch runs Junos OS, Juniper's enterprise-grade operating system, delivering advanced switching, VLAN management, QoS policies, and network automation capabilities for complex access layer deployments.
