While OLTs are traditionally located in carrier central offices or headends, technicians frequently interact with the downstream side — network huts, splitter cabinets, handholes, and customer-side ONTs. Knowing where each device lives helps you trace a signal end to end.
[ Equipment ]
Fiber Cable
The cable itself — contains one or more glass strands inside protective layers. Counts range from 1 to 6,912+ fibers.
OLT shelves in a carrier central office.A residential ONT — the customer-side endpoint.
