Professional Insights

A practical guide to fiber optic splice closures—structure, tests, and outdoor applications. Learn how YingFeng closures ensure reliable protection for fiber cable joints in outdoor, aerial, and underground installations, supporting long-term network stability.

Fiber optic cables, connectors, and adapters come in many colors—but what do they all mean? This guide makes it easy to understand the standard color codes used in the industry.

Not sure whether to choose APC or UPC connectors? This quick guide explains the key differences, advantages, and when to use each — with clear visuals and real-world tips.

Not sure whether to use single mode or multimode fiber?
This quick guide breaks down the core differences between the two types — from transmission distance and cost to core size and application scenarios — to help you make the right choice for your network.