Description
The Calix 400-00441-01 is a high-performance power supply unit specifically engineered for the Calix E7-2 and E7-20 modular access systems. This robust component is designed to provide reliable, redundant DC power to support high-density fiber-to-the-premises (FTTP) deployments in demanding central office or hardened remote environments. Its compact, hot-swappable form factor allows for seamless integration into existing chassis configurations without requiring system downtime. By ensuring stable voltage delivery, this power module maintains the integrity and uptime of critical network services during peak traffic loads.
This used power supply unit is an essential component for network engineers looking to maintain or expand their legacy Calix infrastructure at a cost-effective price point. Each unit undergoes rigorous inspection to ensure that the internal circuitry and cooling components meet original operational standards for thermal management and power efficiency. Featuring standard DC input terminals and a secure locking mechanism, it offers a straightforward installation process for technicians managing cabinet or rack-mounted equipment. Investing in this refurbished hardware provides a dependable solution for extending the lifecycle of your existing broadband access platform.

