Distributed fiber optic sensing (DFOS) techniques such as Distributed Strain Sensing (DSS), Distributed Acoustic Sensing (DAS) and Distributed Temperature Sensing (DTS) are powerful tools for continuous monitoring of large assets. The Splicing Playbook outlines the Standards established by fiber providers. Vendors are expected to continue applying general construction best practices and always comply with local laws and regulations. Consequently, these approaches fit perfectly with specific. This Applications Engineering Note (AEN 135) explains and recommends standard measurement methods for characterizing optical fiber system performance. This note also provides background information on system link configurations, test equipment and system component considerations that influence. e cited in contract, program, and other Agency documents as a technical requirement. This Standard may also apply to the Jet Propulsion Laboratory other contractors, grant recipients, or parties to agreements only to the extent specified or referenced in their contracts, grants, a ontain. This is where fiber optic cable splicing—the process of creating a permanent, high-performance join between two fiber ends—becomes critical. For network managers and technicians, a poor splice can lead to significant signal degradation, network downtime, and costly troubleshooting.