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X32 Discussion
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<blockquote data-quote="Jan Duwe" data-source="post: 116539" data-attributes="member: 2624"><p>Re: STP vs. UTP</p><p></p><p>Hi Dan,</p><p></p><p>Let me try to recap the topic and some of my statements, which I still feel confident about. Unfortunately, the topic cannot be explained (like you suspect) with any sort of oversight or deficiency of X32/S16, as far as I understand it (and as it's been confirmed to me by the lead engineers at MKT and Behringer).</p><p></p><p>1. AES50 connections on MKT and Behringer products </p><p>> hardware is identical </p><p>> software basically the same except for sample rates and control layer data</p><p></p><p>2. ESD is not RFI</p><p>> input circuitry and transformers are working efficiently against RFI</p><p>> preventing dielectric breakdown (caused by strong electric fields) from deluging the pcb with free electron-hole pairs is not trivial at all</p><p>> dielectric or avalanche breakdowns in insulator or semi-conductor material can establish unpredictable currents within nano seconds</p><p></p><p>3. Midas has started selling UTP cable long before compact (light-weight) consoles like the PRO1 became available</p><p>> even today, the vast majority of Midas mixing environments are much more solidly installed and massive</p><p>> X32 and S16 chassis and installations are often comparatively lightweight</p><p></p><p>4. ESD can affect a large number of electronic devices when directly exposed to strong electric fields</p><p>> the electro-shocker test has revealed that X32 and S16 may be affected, when UTP connections are used</p><p>> interference can be prevented by using STP cable with grounded connector shield</p><p>(I am not aware that the exact same test has been done using, say a PRO1 and DL153, or PRO2C and DL251??)</p><p>> However, there are very rare reported incidents, where ESD had hit a Midas PRO setup and also caused a sync loss</p><p>> Apparently, it is not an issue specific to X32, but there are ESD issues with other <a href="https://forums.presonus.com/posts/list/31901.page" target="_blank">digital boards</a> as well</p><p>> We have started a research project for gaining a better understanding of the actual phenomena of ESD on AES50 connections. When there is anything substantial to be reported, we will inform you immediately.</p><p></p><p>Wrapping up we may say, the ESD topic is a very comprehensive one, especially considering the <a href="http://www.esdjournal.com/articles/smallelectronics.htm" target="_blank">increased density</a> of components. An <a href="http://en.wikipedia.org/wiki/Electrostatic_Discharge_Association" target="_blank">ESD-Association</a> (by IEC and ANSI) had been founded developing numerous standards including/related to the EN standards to which our products comply. 99% of the topics actually deal with preventing ESD happening at all !! It is definitely no topic that can be resolved by changing individual components here or there.</p><p></p><p>Hope that helps.</p><p></p><p>Best,</p><p>Jan</p></blockquote><p></p>
[QUOTE="Jan Duwe, post: 116539, member: 2624"] Re: STP vs. UTP Hi Dan, Let me try to recap the topic and some of my statements, which I still feel confident about. Unfortunately, the topic cannot be explained (like you suspect) with any sort of oversight or deficiency of X32/S16, as far as I understand it (and as it's been confirmed to me by the lead engineers at MKT and Behringer). 1. AES50 connections on MKT and Behringer products > hardware is identical > software basically the same except for sample rates and control layer data 2. ESD is not RFI > input circuitry and transformers are working efficiently against RFI > preventing dielectric breakdown (caused by strong electric fields) from deluging the pcb with free electron-hole pairs is not trivial at all > dielectric or avalanche breakdowns in insulator or semi-conductor material can establish unpredictable currents within nano seconds 3. Midas has started selling UTP cable long before compact (light-weight) consoles like the PRO1 became available > even today, the vast majority of Midas mixing environments are much more solidly installed and massive > X32 and S16 chassis and installations are often comparatively lightweight 4. ESD can affect a large number of electronic devices when directly exposed to strong electric fields > the electro-shocker test has revealed that X32 and S16 may be affected, when UTP connections are used > interference can be prevented by using STP cable with grounded connector shield (I am not aware that the exact same test has been done using, say a PRO1 and DL153, or PRO2C and DL251??) > However, there are very rare reported incidents, where ESD had hit a Midas PRO setup and also caused a sync loss > Apparently, it is not an issue specific to X32, but there are ESD issues with other [URL="https://forums.presonus.com/posts/list/31901.page"]digital boards[/URL] as well > We have started a research project for gaining a better understanding of the actual phenomena of ESD on AES50 connections. When there is anything substantial to be reported, we will inform you immediately. [SIZE=3][/SIZE] Wrapping up we may say, the ESD topic is a very comprehensive one, especially considering the [URL="http://www.esdjournal.com/articles/smallelectronics.htm"]increased density[/URL] of components. An [URL="http://en.wikipedia.org/wiki/Electrostatic_Discharge_Association"]ESD-Association[/URL] (by IEC and ANSI) had been founded developing numerous standards including/related to the EN standards to which our products comply. 99% of the topics actually deal with preventing ESD happening at all !! It is definitely no topic that can be resolved by changing individual components here or there. Hope that helps. Best, Jan [/QUOTE]
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