3/15/2023 0 Comments Diy lighted ethernet status tester![]() use hot glue to fix jacks and breadboard to each other, thus avoiding short circuits.trim the exceeding lengtt of the wires.insert the wires from the jacks into a matrix of 4x2 holes (plus 1 for shield), and solder them (if you used salvage connectors, insert the naked wires in as much as possible, in order to avoid short-circuit between them).cut a piece of breadboard a bit larger than two jacks width (let's say 13-14 holes), and 14-15 holes long.This unit will be the measuring one, with two RJ45 connectors (for testing both straight-through and cross-over cables, otherwise you can use only the straight-through connector): The project ended in a "passive-only" couple of terminals, to be used in conjunction with a multimeter capable of reading resistances. applicable to Cat 5, 5e, 6 cables, shielded and unshielded.Summarising, the required characteristics are: There are plenty of "smart" projects out there, all relying on integrated circuits and leds, to perform a cyclic test of each channel, but I had no such hw available. with the cable already in place.įurthermore, I wanted something that was able to detect short-circuits, errors in wiring at the connectors, and, as an addition, suitable both for straight-through and cross-over cables. I got inspiration from xklathos' DIY-UltraCheap-RJ-45-UTP-Cable-Tester project, but it had a big limitation, in my case: it is not applicable when the two ends of the cable under test are far away, i.e. ![]() Obviously I had no professional ethernet tester available! The idea (well, the need, actually) was to check the proper cabling of a long (40m or so) ethernet cable from my flat to the basement the routing itself was tricky, with a lot of narrow passages, so the probability of damaging the cable was high. This is my first instructable, so forgive my less-than-optimal description (and some missing photos).
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