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Bachelor's Thesis
Author of thesis: Marek Smékal
Acad. year: 2025/2026
Supervisor: Ing. Ondřej Krajsa, Ph.D.
Reviewer: doc. Ing. Ivo Lattenberg, Ph.D.
This bachelor’s thesis focuses on the design and implementation of a smart UTP cable tester with IP diagnostics. The aim was to develop a portable device capable of testing wire connections and performing basic network diagnostics. In the area of cable testing, the device verifies the correct wire order according to T568A/B standards and detects crossed wiring, open circuits, short circuits, and partial faults. The design also includes a remote termination module. For IP diagnostics, the device implements DHCP client functionality for IP address acquisition, DNS queries (A/AAAA), ICMP ping, and traceroute using TTL/ICMP Time Exceeded. The device is controlled by an STM32H563ZIT6 microcontroller with an Ethernet interface LAN8742A. The user interface is implemented using an LCD display with a simple menu and visual indication, including the display of individual test results. The device is powered by a Li-ion battery. The result of this thesis is a functional device including a block diagram, circuit design, selection of suitable components including MCU and PHY, and a printed circuit board design.
UTP cables, IP diagnostics, cable testing, T568A/B, DHCP, DNS, ICMP ping, traceroute, Li-ion battery
Date of defence
16.06.2026
Result of the defence
Defended (thesis was successfully defended)
Grading
B
Process of defence
Student prezentoval výsledky své práce a komise byla seznámena s posudky. Student obhájil bakalářskou práci a odpověděl na otázky členů komise a oponenta. Otázky: 1) Lze testerem kontrolovat crossover kabely? Lze detekovat správně a špatně křížený crossover kabel? 2) Funguje to? Proč jste to neukázal? 3) V čem spočívá chytrost měřiče?
Language of thesis
Czech
Faculty
Fakulta elektrotechniky a komunikačních technologií
Department
Department of Telecommunications
Study programme
Telecommunication and Information Systems (BPC-TLI)
Composition of Committee
prof. Ing. Jaroslav Koton, Ph.D. (předseda) prof. Mgr. Pavel Rajmic, Ph.D. (místopředseda) Ing. Petr Dejdar, Ph.D. (člen) Ing. Jan Karásek, Ph.D. (člen) Ing. Ondřej Krajsa, Ph.D. (člen) Ing. Ondřej Pavelka (člen) Ing. Alžbeta Kostelanská (člen)
Supervisor’s reportIng. Ondřej Krajsa, Ph.D.
Grade proposed by supervisor: B
Reviewer’s reportdoc. Ing. Ivo Lattenberg, Ph.D.
Grade proposed by reviewer: A
Responsibility: Mgr. et Mgr. Hana Odstrčilová