YD/T 6336-2025 in English

This standard provides a set of testing methods for optical transmission network (OTN) equipment based on optical service unit (OSU). It outlines the procedures and criteria for evaluating the performance and functionality of OTN devices in various operational scenarios. The document covers aspects such as signal transmission, error detection, and system compatibility. It also defines the necessary test environments and equipment requirements to ensure consistent and reliable testing outcomes. The standard aims to facilitate the validation of OTN equipment across different network configurations and deployment conditions. It includes detailed guidelines for conducting tests and interpreting results to support the development and maintenance of high-quality optical transmission systems.