aspg-18-808-1792025446 20261015005046 American Scientific Publishing Group admin@americaspg.com American Scientific Publishing Group Journal of Intelligent Systems and Internet of Things JISIoT 2769-786X 2690-6791 2021 5 1 Yackelyn Dayanys Domínguez Izquierdo University of Computer Sciences, Havana, CUBA Interconnected devices have provided companies and individuals with the advantage that information travels from one place to another, making information processes more viable. The interconnection networks are responsible for providing everything necessary for the machine to have an adequate passage of messages and use of commutations. In this document a design of a LAN network is developed for the area of ​​a library which needs to expand its communication network, thus forming a computer network to connect different types of computers sharing information links. These data links are established through means such as cable, optical cables, or wireless means such as WIFI. 2021 49 53 808 https://creativecommons.org/licenses/by/4.0/ 10.54216/JISIoT.050101 https://americaspg.com/journal/18/article/808 https://americaspg.com/storage/6833.pdf