Pixhawk cube 2 with segul mapp2 trigger cable proplem

hi am using segul map2 triger cable for my pixhawk2 cube flight controller it was working with some old version firmware even thats also only quad copter not working with fixed wing in any new and latest firmware. so i want the solusion . please help us how to solve this problem. the main application was to be used in mapping drone in fixed wing model