Passive Network Tap wiring examples
Here are photographs of a couple of taps I have built.
Pay careful attention to the routing of the wiring. Ethernet
cable is called 'twisted pair' for a reason. The electrical
characteristics of the signal require the proper twist of the wiring.
If it is disturbed too much, signal loss and interference are
certain. Therefore; when punching the wires into the
RJ45 jacks, the twist of the wiring must be maintained as closely as
I haven't put the below designs to laboratory electrical tests, but
since I haven't experienced any noticeable network degradation in my
use, I suspect that signal loss and interference are minimal.
PNT Mk1 wiring example
PNT Mk2 wiring example
My personal preference is Mk2, which seems to keep the twist a bit tighter and cleaner.
Copyright © 2008 Mark Stingley