The Calix ESR-48/15A is a compact, high-efficiency 48V DC power rectifier designed for network infrastructure, offering reliable performance, easy installation, and durable construction—ideal for buyers seeking dependable used telecom power solutions.

The Calix E5-306 is a compact, carrier-grade Ethernet Service Access Node designed for reliable fiber and copper deployments, featuring six Gigabit Ethernet ports and fanless operation ideal for space-constrained or outdoor environments.

The Calix E5-120 is a compact, carrier-grade Ethernet Service Access Node designed for delivering high-performance fiber and copper-based broadband services, featuring 12 Gigabit Ethernet ports and robust support for advanced IP services—ideal for cost-effective network expansion.