This XG-PON power meter ZIVA-PON106S is focus on XG-PON network to measurement down-stream signal of 1490nm and 1577nm. It combines with normal optical power meter function. The inside isolator filter out 1490nm and 1577nm in the network, and also measurement the other wavelength. This XG-PON power meter is a reliable and ideal tools for the XG-PON