rj45 - Delphijustin industries https://delphijustin.biz Making use out of things! Fri, 08 Dec 2023 20:01:41 +0000 en-US hourly 1 https://wordpress.org/?v=6.2.9 https://delphijustin.biz/wp-content/uploads/2025/10/cropped-dongwa-192-32x32.png rj45 - Delphijustin industries https://delphijustin.biz 32 32 Resistor RJ45 Tester https://delphijustin.biz/resistor-rj45-tester/?utm_source=rss&utm_medium=rss&utm_campaign=resistor-rj45-tester https://delphijustin.biz/resistor-rj45-tester/#respond Fri, 08 Dec 2023 20:01:40 +0000 https://delphijustin.biz/?p=4880 This is a simple network cord tester that uses just 8 unique resistors. The values/wattage doesn’t matter as long as the meter can read them. They should be in the kiloohm range. I have made an Excel spreadsheet file that you can enter all 8 of the resistors and get the total parallel resistance. The …

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]]> This is a simple network cord tester that uses just 8 unique resistors. The values/wattage doesn’t matter as long as the meter can read them. They should be in the kiloohm range. I have made an Excel spreadsheet file that you can enter all 8 of the resistors and get the total parallel resistance. The pins are listed as binary 1s and 0s. J1 and J2 are the RJ45 connectors. I even entered the ones I’m using. It doesn’t tell you if it’s a patch cord, crossover or rollover, but tells you if the pins used on the cord are making connection. To tell what type of cord it is just look at the 2 ends.

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