This thesis discusses the design and implementation of a structured cabling system. A structured cabling is the way of standardizing the communications like telephony and ISDN in the buildings and facilitate the future scalability. In our case, we study the structured cabling system for a certain University building (in cooperation with Technical Services of University of Patras (Planning & Networks Directorate), University of Patras). The study of structured cabling is based in the necessities of the building. Depends of the building and its purpose the necessities are different. For a University building the structured cabling is design as a work place, so the study will be focus on a professional sphere, based in some defined standards. We need to define the exactly components that will be part of the system and their localization in the building, as well as their cost and installation. For this purpose we use AutoCAD in order to help us to define the needed components and their localization, with the help of some plans of the building. / -

Η διπλωματική αυτή εργασία εκπονήθηκε με σκοπό την δημιουργία ενός προγράμματος για τη διαχείριση του δικτύου Δομημένης Καλωδίωσης. Μέσω της εφαρμογής αυτής, δίνεται η δυνατότητα στον χρήστη να έχει μία πλήρη εικόνα της εγκατεστημένης δομημένης καλωδίωσης του κτηρίου και να μπορεί να παρέμβει άμεσα και αποτελεσματικά σε κάθε περίπτωση τροποποίησης ή δυσλειτουργίας. Το πρόγραμμα υλοποιήθηκε στη γλώσσα προγραμματισμού AutoLISP, που λειτουργεί μέσα από την πλατφόρμα του σχεδιαστικού προγράμματος AutoCAD. Χρησιμοποιήθηκαν τα σχέδια των ορόφων του κτηρίου των Ηλεκτρολόγων Μηχανικών του Πανεπιστημίου Πατρών, όπου, στα πλαίσια της επίτευξης του στόχου, σχεδιάστηκε το σύστημα δομημένης καλωδίωσης. Στην εργασία αυτή, παρουσιάζονται τα βασικά στοιχεία ενός συστήματος δομημένης καλωδίωσης, καθώς και τα εργαλεία υλοποίησης του προγράμματος όπως το σχεδιαστικό πρόγραμμα AutoCAD, η γλώσσα προγραμματισμού AutoLISP, και η γλώσσα σήμανσης Dialog Control Language (DCL). Αρχικά, παρουσιάζεται η διαδικασία σχεδίασης του συστήματος δομημένης καλωδίωσης στο AutoCAD. Μετέπειτα, δίδεται μια περιγραφή του προγράμματος και των λειτουργιών του, και ο πηγαίος κώδικας που αναπτύχθηκε, σε συνδυασμό με λογικά διαγράμματα για την καλύτερη κατανόηση του. Στο παράρτημα, αναλύονται τα υποπρογράμματα που σχεδιάστηκαν για να προσφέρουν επιπλέον δυνατότητες, και το εγχειρίδιο χρήσης της εφαρμογής. / The aim of this thesis is to create an application software for the management of a Structured Cabling System (SCS). Through this application, the user is able to have a complete picture of the installed structured cabling network of the building and be able to intervene quickly and effectively in any case of modification or malfunction. The program was implemented using the programming language AutoLISP, which operates through the CAD software platform of AutoCAD. The architectural floor plans used were those of the building of Electrical Engineering Department, at the University of Patras, where, in the context of achieving the target, the structured cabling system was designed. This thesis presents the basic elements of a structured cabling system, and the tools for implementing the program, i.e. the CAD program AutoCAD, the programming language AutoLISP, and the markup language Dialog Control Language (DCL). The design process of the structured cabling system in AutoCAD is presented initially. Thereafter, a description of the program and its features are presented, as well as the source code that was developed, in conjunction with logic diagrams for clarity. In the Annexes, the subroutines designed to offer additional features are analyzed and the manual of the application is included.

The reader can find a summary of metallic structured cabling in this thesis. It means there is described progress of this cabling and the specifications of the cabling systems. There are also described all types of these cables and some of connectors. The types of cable are summed in the table at the end of this part. In another part there are shown some aplications used for structured cabling. In the futher part there are described tests defined in the specifications in more detail. The most importatnt part of this thesis is focused on various tests. Firstly, there were chosen typical representative of the cables. It was: the data cable (Category 6), S/STP and MediaTwist cable. These cables were underwent the standard tests described above and theirs results are appended on the attached CD. In the last part of this thesis there are intrinsic tests of fitness cables to the multimedia signal. Of course, the tests were chosen to measure cable to obtain the most suitable type of cable. However, these tests were not standard measurement. There were simulated occasions from the practise. The goals of this thesis were to achieve the results, to compare them between each other and to make a decision, which cable is the most suitable for the multimedia signal. Definitely, this thesis should be sufficient at least for people who keep track of structured cabling. Eventually, the clear decision was made from these testings. MediaTwist cable is the most suitable type for the multimedia signal, because the signal is being recognized correctly in almost every case even if the long length. The result from the testings in more detail can be found at the very end of this thesis. So, if you are interested, please, continue in reading.

The goal of this thesis is to analyze the current state of the customer's computer network and his requirements. Then the changes and the way of their realization were proposed. The next part of the thesis are the description of appropriate components, selected technologies and the detailed description of the implementation process, including blueprints.