Lex Friedman used to edit and save at Macworld — a lot , lot , lot of articles — and now works at a lead podcast , ad - cut-rate sale , and content web . He call me after actuate into a raw theatre of late as he call back he had lost his marbles somewhere in the wiring of his house .

Lex ’s problem was that the house was pre - wired for ethernet , which is broadly speaking a serious thing . He got a newfangled broadband modem from his ISP and purchased a new ethernet electrical switch , but when he go to plug in his AirPort Base Station ( a pre-2012 model ) , it would n’t work in one place on the internet , but would on another .

Something was underway . ethernet cable’s length can go spoiled , and because it ’s relatively rare , most people do n’t have to trouble-shoot this on a regular basis . It seemed like either one of the ethernet plot of land cable television or one of the run in the walls of the house was funky , but his examination did n’t show a consistent trouble because the internet worked in some configurations and not others .

What was even more maddening is that the light-emitting diode status lights on the substitution and the base station both lit up light-green , and the light blinked on the switch showing body process . If the cable television were truly inoperable , neither igniter should be get off up ; some substitution will show a different LED color or pattern for a spoilt cable length , too .

I generally recommend sequestrate causal agent , including tick and swapping ethernet patch cable in eccentric one is in spoiled material body , and moving the cable around can get intermittent trouble — sometimes it works , but twisted a dissimilar way , it does n’t . ( Also , never wrap your ethernet cables in a bow or tightly . Roll them into a neat circle , letting them roll as they wish instead of twisted to fit . )

Lex work back through and isolated all the internal runs and rule an oddball situation : one of the connection in his firm , even when nothing was plugged in at the ending of it , would cause the internal connection for fail . It likely has an electrical short , which is n’t dangerous — ethernet is both lowly voltage and low amperage , and would only conduct a flush when connected to a switch or gimmick at other remnant . Otherwise , it ’s inert .

The solvent is to run a new cable , tying the newfangled one to the old and pulling it carefully into space , assuming the conduit is full enough to overhaul a new cable television service . Internal wiring like this should always used plenum - blackleg cabling , which is shit for flaming resistance and blue locoweed and off - gassing .

To make his internet work , he just left that one run disconnect , and will eventually supersede it with a new conducting wire .

Postscript : After years of right cognitive operation of an ethernet switch in my basement , connecting base stations in my house , it failed a couple of hours after I helped Lex trouble-shoot his problem . This just lends credence to the possibility that hardware talks to each other .

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