Calculate split loss, excess loss, and terminations for any ratio quickly today. Use 2×N when two inputs feed the same distribution stage. Common values: 2, 4, 8, 16, 32, 64. Understanding the types of splitters, their impact on network performance, and how to measure their losses ensures high-quality network operation and facilitates optimal splitter selection based on. Optical Splitter Loss Calculator the quick 10·log₁₀ (N) estimate, plus your datasheet excess. A passive optical splitter divides an incoming light signal across two or more output ports. Fiber Optic Splitter Loss Chart: Complete Guide (1×2 to 1×64) will help you. There are several types. Direct tap branches are useful for monitor points and short lab checks.