A 1:32 splitter divides input power by ~32 (adding ~15dB of insertion loss), so the remaining power supports signals up to 20km. If we have measured gains in linear units (e. in Watts – W), the loss value in dB is calculated by the formula: Loss (dB) = 10 lg ( mW1 / mW2 ) When both gains are equal, the loss is 0 dB, so there is no loss (doesn't happen obviously). If we operate with absolute gains measured in relation to 1. In fiber optic networks, particularly in FTTx (Fiber to the x) and PON (Passive Optical Networks) deployments, splitters play a central role in distributing the optical signal from a single source to multiple destinations. 3 dB higher than his power budget allowed, pushing the total link loss past the 28 dB limit of his GPON Class B+ standard. Two hundred. By dividing a single optical signal from a central Optical Line Terminal (OLT) into multiple outputs for Optical Network Terminals (ONTs) at users' homes, splitters eliminate the need for dedicated fibers to each residence—slashing infrastructure costs while scaling network reach. Common splitter ratios include: 1:2 1:4 1:8 1:16 1:32 1:64 For most FTTH access networks, 1:8, 1:16, 1:32 and 1:64 are widely used.