XTL-1000 triplexer is a series 1310nm/1490nm/1550nm single fiber optical device designed for digital Bi-directional and analog receiver. It's used inhe MSA-SFF (Small Form Factor) module transceiver with CATV Photodiode receiver. It is suitable to use in the digital/analog FTTx application. Integrated with two kinds of 400G spacing DWDM filter, the first is 1490/1550nm edge filter and the second is 1490nm band filter.