Nine printable pages of Ethernet cheat sheets from an installer with 15+ years in the field. Print them, laminate the pinout and the fault finder, and keep them in your toolbag.
T568B vs T568A pinout, with a memory trick so you stop second-guessing the color order
RJ45 crimp guide: 10 steps to a plug that passes the first time
Keystone punch-down card: the right way to end a run inside the wall
Tester fault finder: what every light pattern means and how to fix it, including the two faults a basic tester misses
Cable + PoE chooser: Cat5e vs Cat6 vs Cat6A, plus the PoE standards at a glance
Tools and parts checklist
10 mistakes that fail a run
Printable run log to map every cable in the house
Powering cameras or access points over the cable? Pair it with the PoE & Cable Cheat Sheet for typical device draw, a fill-in power budget worksheet, and PoE troubleshooting.
Instant PDF download. Letter size, printer-friendly.
