Firstly, blow any dust or debris from the module using compressed air. When using a cleaning pen, rotate the pen gently to allow the tip to clean the surface. Knowing how to clean SFP modules, performing routine SFP maintenance, and maintaining your optical module will. While these hot-swappable optical transceivers are designed for flexibility and performance, improper handling or lack of maintenance can lead to failures, signal loss, or shortened module lifespan. 2)Cleaning specification: Use special wiping paper or dust-free cotton swab to. Also, when an optical transceiver is over heated or pushed to its limits, the carbon generated causes small dust particles to form across the lens. It provides an expert-curated supplier directory, buyer-focused technical background information, and structured selection criteria to support professional procurement decisions.