They are usually located near the TV, in a closet, or in an attic or basement. Then, the splitter will have multiple outputs, each connected to a separate cable that runs to a TV or other. Each fiber network architecture requires splitter installation, which is located between the OLT (Optical Line Terminal) of the PON and the ONT (Optical Network Terminal) serviced by the OLT. To successfully design and deploy an FTTH network, splitter type and ratio must be considered and. When employing the first-level splitting method in a residential network, optical splitters offer flexibility for indoor or outdoor installation. But their importance cannot be understated. They. If you have wall plates where the coax cable goes from the cable box/tv to the wall, unscrew the plate and carefully look in there. There are a few reasons why you might need to find the main cable line for the internet:. In the backbone of modern Fiber-to-the-Home (FTTH) networks, optical splitters serve as the unsung heroes that enable cost-efficient connectivity for millions of subscribers. By dividing a single optical signal from a central Optical Line Terminal (OLT) into multiple outputs for Optical Network.