Periodically inspect the distribution box for any physical damage, loose connections, or signs of wear. Clean the connectors and splice trays using appropriate cleaning tools and solutions. Regular inspection and cleaning help prevent potential issues and maintain optimal. Some people have suggested that fiber optic networks need periodic maintenance, including microscopic inspection of connectors and mating adapters and even insertion loss testing or taking OTDR traces. It could hurt an installer or get them sued by an irate network owner. Here are some specific care and maintenance methods: First, regular inspection and cleaning Regular inspection: Frequency: You are advised to inspect the optical fiber distribution box once every quarter to check the running status of the device and whether the cables and ports are loose. Contents:. Our handbooks show you how to build fibre or copper infrastructure at your new residential or commercial development, and how to install Openreach equipment. They cover what you and your sub-contractors will need to do to reach the quality we expect – from building the ducts and joint boxes, to the. ptical management and distribution modules for mounting in a standar IEC 60297 or equivalent and suitable for installation into standard ETSI or 19 inch racks her solid steel, perforated steel, steel frame tempered glass or stLet's go step-by-step through how to identify whether your fibre box installation was done correctly—and what you can do to fix common mistakes.