Juniper EX3400-48T Redundant Power Supplies | Enterprise Switch PSU

Build more resilient access switching with the EX3400-48T configured with redundant power supplies. In environments where a single power event can interrupt users, phones, wireless controllers, or downstream devices, redundancy adds a critical layer of continuity. This configuration is aimed at teams that want fewer service disruptions and cleaner maintenance windows. If one supply fails, the system can continue operating while the issue is addressed, helping preserve network availability and reducing the pressure to schedule immediate emergency work. For enterprise deployments, redundancy is not just about backup power. It is about operational control. It gives infrastructure teams more room to plan replacements, maintain service levels, and protect the access layer that supports daily business traffic. For organizations standardizing on Juniper switching, this model offers a straightforward way to raise the resilience profile of a widely deployed access switch.