The Juniper EX3400 Ethernet switch offers flexible, high‑performance networking with PoE+, virtual chassis and extensive security features.
The EX3400 series provides enterprise‑grade Ethernet switching with options for 24‑ or 48‑port configurations, PoE/PoE+ support, and up to 920 W redundant power supplies. It leverages Junos Fusion Enterprise virtual chassis technology, allowing up to ten switches to be managed as a single logical device for scalable deployments.
Designed for high‑availability data‑center and campus environments, the EX3400 includes advanced Layer 2/3 features, MACsec encryption, extensive QoS, and a compact 1 U form factor. It supports a wide range of transceiver modules and offers flexible power and cooling options. This manual is written in Chinese.
| Port count | 24‑port or 48‑port models |
|---|---|
| Redundant power supplies | Two hot‑swappable units, up to 920 W each |
| PoE+ power per port | Up to 30 W per port |
| Switching capacity | 288 Gbps (24‑port) / 336 Gbps (48‑port) |
| Dimensions (W × H × D) | 17.4 × 1.72 × 13.8 inches |
The EX3400 supports Junos Fusion Enterprise virtual chassis technology, allowing up to ten switches to be interconnected and managed as a single logical device.
The EX3400‑24P model provides 24 PoE+ ports, each capable of delivering up to 30 W of power.
The EX3400 includes IEEE 802.1ae MACsec, which provides link‑layer encryption, data integrity, and source authentication on all 1 GbE and 10 GbE ports.