With four small round ports and one large round port, it adopts threaded mechanical seal, can be used for aerial, pole mounting, wall-mounting and underground application. *The outer box body is made of high-strength engineering plastics, It has features of light weight, high mechanical strength, anti aging,strong corrosion resistance, lightning resistance, and long service life. *Stacked structure splice tray and independent insulation grounding device make it. *SEE RUS DRAWING NUMBERS 241 & 214 (APPENDIX A, SHEETS 1&2) FOR ADDITIONAL CONSTRUCTION DETAILS AND MATERIAL REQUIREMENTS REV. ONLY ATTACH TO EXISTING ANCHORS WHEN ANCHOR OWNER PERMISSION HAS BEEN GRANTED. INSTALLATION OF NEW ANCHOR LOCATIONS SHALL BE SPECIFIED ON CONSTRUCTION PRINTS OR. The Fiber Optic Association, Inc. (FOA) was founded in 1995 to help develop the workforce to build the fiber optic networks to support a rapid expansion in communications and the Internet. The charter of the FOA was to promote professionalism in fiber optics through education, certification, and. Deploying fiber above ground on poles or towers removes the need for underground digging and is particularly useful when the ground is uneven, rocky or both. Fiber in a duct solutions have a major aesthetic. cal cable link, branch, distribution and storage. This Standard may also apply to the Jet Propulsion Laboratory other contractors, grant recipients, or parties to agreements PR 8735. 2, Hardware Quality Assurance Program Requirements for Programs and Projects.