I was going to retort: "But one in each direction, surely?" as I was
considering data moving in one direction, from server to playback
machine as in the original article I was commenting on, but, in fact,
a search seems to suggest from the wiring names that the pairs in
Gigabit cables are all bi-directional, which I didn't realise before.
For example (diagram entitled 'Ethernet Connector Pin Assignment'):
http://www.bnoack.com/index.html?htt...bles/CAT5.html

On Mon, 3 Aug 2015 21:47:25 +0100, Vir Campestris
wrote:

It's _two_ extra pairs.
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