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uk.telecom.broadband (UK broadband) (uk.telecom.broadband) Discussion of broadband services, technology and equipment as provided in the UK. Discussions of specific services based on ADSL, cable modems or other broadband technology are also on-topic. Advertising is not allowed. |
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#41
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![]() On Mon 19/11/2018 21:10, MissRiaElaine wrote: On 19/11/2018 20:59, Woody wrote: I have a 5m length of flat CAT5e which is 6mm wide and 1mm thick to link two adjacent bedrooms. It works a treat on a gigabit circuit - highly recommended. For the ADSL feed from BT box/filter to router you could try almost any of the cables on this page https://www.ebay.co.uk/sch/i.html?_n...e&rt=nc&_dmd=2 That's puzzling, I don't trust it..! Que? No understand..... -- Woody harrogate three at ntlworld dot com |
#42
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![]() MissRiaElaine wrote: Woody wrote: I have a 5m length of flat CAT5e which is 6mm wide and 1mm thick to link two adjacent bedrooms. It works a treat on a gigabit circuit That's puzzling, I don't trust it..! I have a couple of round, rather than flat, cat6A cables under 3mm diameter, I haven't actually tried it at 10Gbps but no problem at 1Gbps. https://amazon.co.uk/SAMZHE-Gigabit/dp/B01M0ABFPH?th=1 |
#43
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![]() On 19/11/2018 16:22, MissRiaElaine wrote: How does flat Ethernet cable work..? Are the pairs still twisted..? If not, it surely defeats the idea of twisted pairs..? The pairs will be twisted. Each pair can be separate. Next to me I have an old SCSI 1 device. The data cable is 25 twisted pairs, all laid out in a row. Andy |
#44
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![]() Woody wrote: On Mon 19/11/2018 19:36, Chris wrote: MissRiaElaine wrote: On 19/11/2018 08:11, Chris wrote: Vir Campestris wrote: One pair for 'phone, more for Cat5 if you want full speed - all 4 for gigabit. And you can get flat Cat5. Aye. That's what we have. Also fits unobtrusively around door frames. How does flat Ethernet cable work..? Are the pairs still twisted..? If not, it surely defeats the idea of twisted pairs..? No idea. It definitely works though. +1 I have a 5m length of flat CAT5e which is 6mm wide and 1mm thick to link two adjacent bedrooms. It works a treat on a gigabit circuit - highly recommended. For the ADSL feed from BT box/filter to router you could try almost any of the cables on this page https://www.ebay.co.uk/sch/i.html?_n...e&rt=nc&_dmd=2 speaking of which, does anyone know where to source suitable cable clips for flat Ethernet cables? I've resorted to cutting down twin+earth clips in order to keep the cable flat. |
#45
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![]() MissRiaElaine wrote: On 19/11/2018 20:59, Woody wrote: I have a 5m length of flat CAT5e which is 6mm wide and 1mm thick to link two adjacent bedrooms. It works a treat on a gigabit circuit - highly recommended. For the ADSL feed from BT box/filter to router you could try almost any of the cables on this page https://www.ebay.co.uk/sch/i.html?_n...e&rt=nc&_dmd=2 That's puzzling, I don't trust it..! Has anybody tested a length with a suitable cable-tester? I have an old Fluke DSP-100 rather like the one advertised he https://www.ebay.co.uk/itm/352090157678 .... so if somebody would care to send me a long patch cable I could measure it. The tester measures characteristic impedance, near-end and far-end crostalk, loss, and the like; so a cable not having the correct twisting or pin mapping will likely appear to be out of specification. The key points are that the cable should have its pairs twisted with each pair twisting at a different pitch, and the individual wires should connect to the correct pins on the RT45 plugs, see for example https://www.showmecables.com/blog/post/rj45-pinout/. The usual convention is T-568B. I've seen short flat patch cables supplied with NAS boxes and routers from Buffalo Technology but I've never measured one - sorry. -- Graham J |
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