Hmm. I wonder
what would happen if you connect A and B's TX pairs
and C's RX pair together, and similarly for B/C TX and A RX, and C/A
TX and B RX.
I don't know about connecting two or more Tx pairs together,
though.
You'd end up with collisions, undetected by the transmitters, and I
don't know if 10baseT transmitters can handle that.
They must be able to at least tolerate it without frying; that's
basically what you get if you connect two hosts with a straight cable -
or a host and hub with a crossed cable - so there'd be a lot of toasted
hardware if it weren't at least relatively harmless.
Anyway, what you're suggesting would connect all
the Tx pairs
together (A to B, then B to C).
Doh! Of course. Oh well. So much for cheap pseudo-token-ring
Ethernets. :-/
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