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X32 Discussion
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<blockquote data-quote="Dan Mortensen" data-source="post: 91856" data-attributes="member: 2826"><p>Re: AES50</p><p></p><p></p><p></p><p>Only two STP were from Monoprice; as previously noted here, I'm heavily invested in UTP. </p><p></p><p>Monoprice is sending a replacement for the bad one, but I think it will arrive after the analyzer is gone. A field trip will be in order, I guess.</p><p></p><p>Two details to note about the measurements:</p><p> </p><p>1) All measurements were done with the cable of interest connected in between the first two cables on the list through two Ethercon barrels, since most of the cables have Ethercon and the Fluke is not set up for that, so it was either take apart and replace a bunch of connectors or use the same adaptors for all. So the measurements all have the same amount of negative factors added in. (For the benefit of the uninitiated, using couplers inherently degrades these kinds of signals, to the point where they could make the difference between passing and failing. The Richland that was tightly wrapped around the pipe which barely failed could have been due to that. That measurement was done before I knew about the barrel's negative effects, so when I redo the measurements I'll do it without the barrels. The two Belden 200' connected end to end, even though beyond distance spec, only failed the Insertion loss margin by 1.4 db, so maybe that length would be usable minus two of the barrels and the short-ish jumpers.)</p><p></p><p>2) There seems to be a significantly tighter spec set for "Patch Cords" than there is for "Channels", and all these measurements were for "Channels". You can't have junctions/barrels to do a "Patch Cord" test, and the DTX senses and rejects those.</p></blockquote><p></p>
[QUOTE="Dan Mortensen, post: 91856, member: 2826"] Re: AES50 Only two STP were from Monoprice; as previously noted here, I'm heavily invested in UTP. Monoprice is sending a replacement for the bad one, but I think it will arrive after the analyzer is gone. A field trip will be in order, I guess. Two details to note about the measurements: 1) All measurements were done with the cable of interest connected in between the first two cables on the list through two Ethercon barrels, since most of the cables have Ethercon and the Fluke is not set up for that, so it was either take apart and replace a bunch of connectors or use the same adaptors for all. So the measurements all have the same amount of negative factors added in. (For the benefit of the uninitiated, using couplers inherently degrades these kinds of signals, to the point where they could make the difference between passing and failing. The Richland that was tightly wrapped around the pipe which barely failed could have been due to that. That measurement was done before I knew about the barrel's negative effects, so when I redo the measurements I'll do it without the barrels. The two Belden 200' connected end to end, even though beyond distance spec, only failed the Insertion loss margin by 1.4 db, so maybe that length would be usable minus two of the barrels and the short-ish jumpers.) 2) There seems to be a significantly tighter spec set for "Patch Cords" than there is for "Channels", and all these measurements were for "Channels". You can't have junctions/barrels to do a "Patch Cord" test, and the DTX senses and rejects those. [/QUOTE]
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