It ensures reliable signal transmission by protecting fiber splices from moisture, dust, vibration, and temperature changes. Depending on network requirements, outdoor fiber enclosures are commonly designed with three sealing technologies: Gel Sealing Rubber Gasket Sealing. Unlike an IP65 or IP67 box, which can only withstand rain or temporary submersion, an IP68 fiber splice closure is engineered for the most extreme deployment scenarios, including direct underground burial, manholes prone to flooding, and aerial installations exposed to heavy storms. Achieving an. Outdoor fiber optic splice closure provides ample space and protection for splicing and jointing fiber optic cables, ensuring seamless connections that are crucial for efficient and reliable operations. You can count on our product to deliver the performance you need, even in harsh conditions where. This guide covers how to safeguard outdoor fiber optics across underground, aerial, direct-burial, and exposed setups. They shield 72 fragile optical fibers from harsh elements. Internal trays organize 4 cable ends for safe routing. Select the best installation method—direct burial, aerial, conduit, or underwater—based on your environment and future network needs.