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Apr 2 at 6:36 comment added Nelson Punching jacks are relatively much easier than crimping RJ45. You really do need to know to punch onto the sleeve instead of bare wires that'll come loose / rust within the year, and then also properly matching the colored pairs using consistent standards (568A/568B).
Apr 1 at 18:02 history edited Ecnerwal CC BY-SA 4.0
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Apr 1 at 17:54 comment added Ecnerwal A worthwhile tester / certifier for professional use is still hundreds to thousands of dollars. They do a lot more than test pairs. Those are not worth buying for a one-off home network project, at all.
Apr 1 at 17:51 comment added manassehkatz-Moving 2 Codidact Excellent answer, particularly "punch jacks, don't crimp plugs". The testers are an incredible deal these days. In the olden times (~ 30 years ago) they were way too expensive for one-off homeowner use but well worth the cost ($200+ at the time) for professionals. But at < $20, worth it, IMHO, especially for people doing this for the first time as figuring out problems with punching jacks is hard for people who have never done that before.
Apr 1 at 17:43 history edited Ecnerwal CC BY-SA 4.0
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Apr 1 at 17:34 history answered Ecnerwal CC BY-SA 4.0