Re: Network Wiring: A or B?

["E. Lee Dickinson" <lee@xxxxxxxxxxxxxxxxxxxxx>]

"E. Lee Dickinson" <lee@xxxxxxxxxxxxxxxxxxxxx> wrote in message
news:drp9d1$7ld$1@xxxxxxxxxxxxxxxxxxxx
>
> "Pat Farrell" <pfarrell@xxxxxxxxxx> wrote in message
> news:b1g5b3-ob5.ln1@xxxxxxxxxxxxxxxxxxx
>> E. Lee Dickinson wrote:
>>> I've just realized that I've got my wiring standards mixed up. All my
>>> jacks are punched down as "A," while all the plugs and patch cables and
>>> the patch panel in the closet are "B."
>>> > Everything works perfectly. I've made this mistake in my house, my
>>> > mom's
>>> house, her boyfriend's house, and two other houses now (I got bad info
>>> from an installer friend.)
>>
>> It really makes no difference. Except on a single cable.
>> The signal does not know what color the wire is.
>> So it is pin 3 to pin 3, etc.
>
> Which would make sense if I had wired BOTH ends wrong. But as I said: One
> end (wall plates) is punched down "A."  The other end, male plugs right in
> to my switch, is wired "B."

To satiate my curiosity, I just changed ONE end of the cable from "A" to
"B."  As you can see, I am online. No problem.

So which piece of gear is deciding between TX and RX?