Juniper EX3400

The Juniper EX3400 is a series of Ethernet switches designed for access layer deployments. It offers flexible models with either 24 or 48 10/100/1000BASE-T ports, available in standard (T) or Power over Ethernet Plus (PoE+) variants (P). Key features include high-speed uplink capabilities via four 1/10GbE SFP+ ports and two 40GbE QSFP+ ports.
The series supports both AC and DC power supply options and features redundant fans with selectable airflow directions (AFO/AFI) for resilient operation. As part of Juniper’s switching portfolio, the EX3400 provides a scalable foundation for enterprise networks, supporting advanced features like Virtual Chassis technology.