[rescue] doubt regarding wireles ethernet...
Brian Hechinger
rescue at sunhelp.org
Thu Jul 19 13:13:12 CDT 2001
> what you have here is a 20mhz signal. When an ethernet station
> transmits it sends 1volt peak to peak across the transmit pins. This
> signal is modulated with Manchester encoding. This serves as both a
> clock signal and a data signal. A zero looks like this(---|__), a
> one looks like this(__|---). So a positive to negative transition
> means 0, and a negative to positive transition means 1. What you
> need to do is set it up so that the voltage accross pins 1 and 2 on
> your computer gets fed into the amplifier on the transmitter. The
> reciever should be able to demodulate that signal and supply the same
> voltage accross pins 3 and 6 on the hub. The same should be done for
> the other(hub back to computer) channel. I hope this helps.
ok, he just said what i was trying to say, but did a MUCH better job of it. :)
-brian
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