FOA CFOS/H case studies
FOA CFOS/H · Put your knowledge to work in context.
The FOA CFOS/H is a specialist certification in fiber optics for the home, offered by The Fiber Optic Association, Inc., which describes itself as the international professional association of fiber optics, chartered to promote fiber optics through education, certification and standards. It is aimed at technicians and installers who build fiber connections from the network into homes - FTTH drops, in-home cabling, and the components and testing that go with them - rather than at general outside-plant or long-haul work. The FOA CFOS/H case studies are 5 cases and about 3,781 words.
1Detached Garage 10G Link Through a Loaded 20 mm Conduit
A homeowner in a 1988 two-story, 210 m² house wants 10 Gb/s connectivity to a detached garage 38 m from the house for a NAS and two 4K cameras. The only existing path is a 20 mm PVC conduit that follows a 55 m route with three 90° sweeps and one 45°; it already carries one Cat5e and one RG6 cable.
787 words, about 4 min2Plenum-Rated Component Selection in a Finished Basement
A 1962 single-story ranch has a finished basement whose ceiling cavity is used as a return-air plenum; the furnace draws return air through four ceiling grilles. The ONT is on the utility-room wall and has an SC/APC output.
728 words, about 4 min3Wet Conduit and Metallic Strength Member to a Pool House
A homeowner wants fiber from the house to a pool house 45 m away. The direct-burial route crosses a concrete driveway through an existing 32 mm PVC conduit that is 8 m long, has a 90° sweep at each end, and holds about 20 mm of standing water after rain.
797 words, about 4 min4Intermittent GPON Drop With a Suspected Macrobend
A customer on a 1x16 GPON splitter reports intermittent video freezes and occasional ONT reboots. The drop is 180 m of 2.0 mm indoor/outdoor cable from a pedestal to an ONT in a garage; the splitter is 1.2 km from the OLT and uses 1490 nm for downstream video.
774 words, about 4 min524-Unit MDU Retrofit With Limited Access and One Splitter Port
A 24-unit, three-story apartment building is being retrofitted with fiber to each unit. Each floor has 8 units and a telecom closet at the elevator lobby; each unit has a 20 mm conduit from the closet that currently carries one Cat5e.
695 words, about 3 min