System designers need to deal with problems of signal ingress and egress caused by electromagnetic interference (EMI). EMI and RF interferences have a negative impact on signal transmission performance and reliability. Poor shielding effectiveness can result in packet loss, decreased bandwidth and even connection loss. The purpose of a shielded cabling system is to provide increased immunity against high frequency noise.
Effective shielding solutions are essential
Effective shielding can protect cables from signal ingress or egress, as well as triboelectric or other mechanical noise. With a growing need for more sophisticated shielding solutions, system designers need to find the right shielding solution for each application.
Belden Shielded Systems deliver superior performance against EMI and RF interferences with maximum shielded effectiveness, and deliver complete reliability and unparalleled warranty. They have been proven to provide an overall blend of high performance and quality products that deliver a reliable and easy to install solution.
Prior to introducing these new systems, Belden has conducted extensive internal testing procedures in line with relevant standards. Tests covered over 100 different cabling configurations, including short links, long links, worst cases and most demanding 4 connector channel configurations. These tests were performed at frequencies of up to 250 MHz.
All transmission parameters were tested, including attenuation, NEXT, FEXT and Return Loss. The test results proved very good and consistent matching of components and excellent end-to-end performance. Moreover, these systems have been externally verified in both channel and link configurations by Delta laboratories in Denmark.
At the heart of the Belden Shielded Solutions is a shielded ‘Tool-less’ modular jack, a high quality, easy to install jack. The KeyConnect Modular Jack helps to reduce installation time and provides superior shielding performance without compromising the size and ease of use of the UTP connector. The modular jack comes with a termination cap to prevent the untwisting of the pairs to endure the integrity of the transmission performance. Other components of the system include:
Introducing the new systems Andy Kuszczak, Product Manager Belden EMEA said: “Belden can now deliver the systems applicable for high noise environments, including offices and hospitals. This new range delivers Belden quality, performance and reliability - with the added benefit of tool-less termination.”
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