Cat 3 (4,5) can have two or four pair (or up to 25 pair or more)<BR><BR>Don't be confused with "plain old phone wire" (like DIW) which is not certified, it just also happens to be unshielded ...

With state-of-the-art DSP technology and mixed-mode signal technology, the RTL8153 offers high-speed transmission over CAT 5 UTP cable or CAT 3 UTP (10Mbps only) cable.

With state-of-the-art DSP technology and mixed-mode signal technology, the RTL8153 offers high-speed transmission over CAT 5 UTP cable or CAT 3 UTP (10Mbps only) cable. Functions such as Crossover ...