International Science and Technology Journal

The Internet today has become a major part of our daily life, and it is not only limited to the transmission of sound, data and video, but also to other applications, which led the world today to focus on the Internet of Things. ADSL technology is one of the most important technologies used to transfer the Internet from companies equipped to subscribers to different requirements from the Internet, as it is an appropriate technology in terms of cost and speed. In this research, the problems of ADSL lines were studied by some LNET subscribers in Misurata for some rural areas, and the two parameters were used, line attenuation and signal to noise ratio to determine the places that cause the fluctuation of service to some subscribers. Through field work, it was found that the problems lie in the poor infrastructure of the public phone network used by Internet service providers through ADSL as a service carrier, and that LNET provides the phone company at the delivery point with a high level of service