yahan koi cctv cameras ka Technical person available.hai koi jo meri help kar sakey mujeh yeh malom karna hai k kia har dvr ki port same hoti hai ya alag alag agar same hai to kia hai mujeh 9611 pata hai kia yeh port sab dvr ki hai plzzzzzzzzzzzzzzz help meeeeeeeeeeeeeee

Thanks in advance