My MT box is not working any more
 

Mt main box is working well.
But
MT service cable box 10pin to 7 pin converter is not wroking , i can see the the phone is in local or test mode but i can't get any info from phone.
The green light should be stable when phone is connected but green light also not working .
plz help me if therez any way to fix the box.
Best Regards
Kashif Khan