JT CEx WDM modules are widely used for GPON, XGSPON and NGPON2 networking. Typical application is to combine GPON XGSPON and NGPON2 upstream and downstream signals into single fiber, or split GPON XGSPON and NGPON2 upstream and downstream signals from line fiber. Which is also called WDM1r module.

JT provides various combinations for different applications, typical applications are as below.