EXFO CoLT-350

The EXFO CoLT-350 is a rugged, handheld test set built for last-mile copper loop testing in DSL, ADSL2+, and voice service installations. Designed for outside plant technicians, it integrates multiple test functions to quickly assess copper line quality, identify faults, and ensure service readiness. The CoLT-350 features automated test sequences for capacitance, resistance, voltage, and noise, enabling efficient detection of common line issues like shorts, opens, cross-talk, and ground faults. It supports advanced DSL analysis, including synchronization, noise margin, attenuation, and bit rate, helping technicians validate broadband readiness at the customer premises. A large backlit display and intuitive menu structure make it easy to operate in varied field conditions. With built-in memory and PC connectivity, it facilitates report generation and data archiving for job documentation. The ruggedized housing is water-resistant and impact-resistant, suitable for demanding outdoor use. The CoLT-350 improves first-time install success rates and reduces repeat service visits by empowering technicians with fast, accurate diagnostics of both voice and DSL circuits. It’s an indispensable tool for service providers ensuring quality and uptime in legacy and modern copper-based access networks.