... construction and maintenance. It's a useful site test tool for the engineers and maintenance operators of PON network of ... CPU with low power consumption, ST805C becomes more powerful and rapid. More convenient measurement owes to friendly operation interface. Ⅱ. ... wavelengths' power of PON system synchronously: 1490nm, 1550nm, 1310nmSuitable for all PON network (APON, BPON, GPON, EPON)User-defined ...