It uses standard SC-type optoelectronic hybrid ports, supports unequal split ratios (1:5 / 1:9) for FTTR branching, and is designed for multi-stage cascade (daisy-chain) so you can expand room-by-room with consistent cabling rules. The first type is “cascaded” or “distributed cascaded” splitting. ) This involves having 2 or more splitter combinations to arrive at the target split ratio. By understanding these elements, network operators can design PON (Passive Optical Network) systems that. Active Optical Splitter (PoF Router) for FTTR combines optical communication and DC power delivery in one unit. Built-in. Inverto's Unifiber ™ range of balanced passive optical splitters operate over a wide optical bandpass range 1260-1650nm featuring high uniformity across output ports, low insertion loss, high return loss and excellent directivity performances. Key Points Insertion Loss: Theoretical loss ≈ 6 dB per port; real devices add up to ~7 dB due to excess loss.