Was on a client site yesterday to add a second network device in an office =
that had a single patch point going back to the "server room" downstairs (H=
eh.. under the stairs actually). I didnt particularly want to pull cables, =
so I thought I'd cheat, and downgrade the existing, and the new device to 1=
0BaseT, and do a 4 wire cabling job to both devices, splitting the existing=
8 wire Cat5 at each end, and wiring for the yellow and green pairs only.
Funny thing is, both devices are happily operating at 100BaseT, whereas I t=
hought that more than 4 wires were required for 100BaseT.
Is this because they're going back to a very cheap unmanaged switch? Or has=
it something to do with simplex / duplex operation, or what limitations ha=
ve I imposed on this user?
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