{"id":687,"date":"2013-01-30T01:23:32","date_gmt":"2013-01-30T00:23:32","guid":{"rendered":"http:\/\/www.anyma.ch\/blogs\/research\/?p=687"},"modified":"2013-01-30T01:56:33","modified_gmt":"2013-01-30T00:56:33","slug":"network-cable-tester","status":"publish","type":"post","link":"http:\/\/www.anyma.ch\/blogs\/research\/2013\/01\/30\/network-cable-tester\/","title":{"rendered":"Network cable tester"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>I&#8217;m currently finishing (hopefully) our new twisted-pair-(Cat5, ethernet cable)-based intercom\/tally system for our <a href=\"http:\/\/anyma.ch\/tag\/tv\">tv projects<\/a>:\u00a0communication, data and video all over one network cable (more on this soon) &#8211; and I stumbled over several CAT5 cables in our bin that were either damaged or wired the wrong way or simply crossover cables that messed up the testing of the system.<\/p>\n<p>So I quickly hacked together this little device to see if the cables are wired ok. Like almost all of my stuff, it&#8217;s based on the <a href=\"http:\/\/gnusb.sourceforge.net\">gnusb<\/a> (the atmega644 is a little bit overkill for this project, but that&#8217;s what I have lying around).<\/p>\n<p>Just plug in a cable and if all 8 leds light up it&#8217;s good. If not, you can press the button and see which end of the 8 wires is connected to which other..<\/p>\n<p><a href=\"http:\/\/www.anyma.ch\/blogs\/research\/wp-content\/uploads\/2013\/01\/20130130-012317.jpg\"><img decoding=\"async\" class=\"alignnone size-full\" alt=\"20130130-012317.jpg\" src=\"http:\/\/www.anyma.ch\/blogs\/research\/wp-content\/uploads\/2013\/01\/20130130-012317.jpg\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.anyma.ch\/blogs\/research\/wp-content\/uploads\/2013\/01\/20130130-012328.jpg\"><img decoding=\"async\" class=\"alignnone size-full\" alt=\"20130130-012328.jpg\" src=\"http:\/\/www.anyma.ch\/blogs\/research\/wp-content\/uploads\/2013\/01\/20130130-012328.jpg\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>It&#8217;s dead simple.source code and schematics:\u00a0<a href=\"http:\/\/www.anyma.ch\/blogs\/research\/wp-content\/uploads\/2013\/01\/rj45Tester.zip\">rj45Tester<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; I&#8217;m currently finishing (hopefully) our new twisted-pair-(Cat5, ethernet cable)-based intercom\/tally system for our tv projects:\u00a0communication, data and video all over one network cable (more on this soon) &#8211; and I stumbled over several CAT5 cables in our bin that were either damaged or wired the wrong way or simply crossover cables that messed [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"_links":{"self":[{"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/posts\/687"}],"collection":[{"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/comments?post=687"}],"version-history":[{"count":3,"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/posts\/687\/revisions"}],"predecessor-version":[{"id":692,"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/posts\/687\/revisions\/692"}],"wp:attachment":[{"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/media?parent=687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/categories?post=687"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.anyma.ch\/blogs\/research\/wp-json\/wp\/v2\/tags?post=687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}