Splitters only lower the optical power—not the bandwidth. Every endpoint still gets the full data stream; the light is just a little dimmer. And here's where optical networks shine (literally): even with that tiny power drop, a single fiber can carry so much data that performance. 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. For every 2X increase in split ratio, power is reduced by roughly 3 dB. Bandwidth is shared amongst customers in a PON, and the bandwidth received by a customer is not. This guide will demystify this pivotal passive device, exploring its types, working principles, and how it seamlessly integrates with optical transceivers to bring high-speed internet to your doorstep. You'll often see ratios like 1:8, 1:16, 1:32, or even 1:64, which tell you how many ways the signal is divided. For example, a 1:32 splitter sends data from one.
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