Check the splice enclosure for any signs of damage or wear. Perform optical time domain reflectometer (OTDR) testing to assess splice. They are engineered systems designed to protect fiber splices from mechanical stress, environmental exposure, and long-term performance degradation. If a situation arises that is not specifically. Whether your fiber to the home (FTTH) network design has closures in a buried or aerial environment, one thing remains the same: you need assured environmental protection and quick, incremental subscriber drops. These are often used with fiber to the home (FTTH) networks where drop cables to individual subscribers are factory made preterminated cables and just require plugging in connectors - no splicing required. In this article, we will explore the.