I want to install home network but I don't know the code color in the jack
A and B
what is meaning of (( A L1 T Ts B L2 2 Tx ))
I want to explain this code because rj45 is
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By the way I'm pretty sure (to be verified) that wall wiring should be straight and not crossover. In charge of the connected PC to provide Xover if necessary. (And most of recent NICs are making the switch automatically so it does not really matter nowadays)
The standard colour coding for RJ45 is:
To create a crossover cable (only ever used between two devices of the same type - like PC to PC or Switch to Switch) swap the orange and green pairs at one end only to become w/g, g, w/o, bu, w/bu, g, w/br, br
Hardwired connections in the wall should always be connected 1 to 1 and not crossed over. If you ever need a crossover it should always be done using a crossed-over patch cable. Connections between PCs and Hubs or Switches never need to be crossed over, the switch does that for you.