good morning 

i'm ali and i want to use it through my dsl and i have 2 another routers and unlocked so when using the router and powering up it trying to connect the dsl and goes off after 7 seconds and doing that over and over again 
using my dsl cable on another router it's working without any problems or issues 
i don't know what is wrong maybe the firmware or the dsl socket (on the router)and i don't know how to fix it 
even no firmware availabe on the internet so i need help plz cuz i rly want to use it

thank u :_)

few notes...

isp is from egypt and the dsl comes from telecom egypt WE te.eg and i want some advice on how i make it work