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<blockquote data-quote="Snattlerake" data-source="post: 4331108" data-attributes="member: 44288">House wiring was red green black and yellow.&nbsp; Red and green were a pair and black and yellow were a pair. Called a POTS line. Plain Old Telephone System.&nbsp; Tip and Ring were the wires in the pair.White blue, blue white, white orange, orange white., white green, green white, white brown, brown white. Those are the primary 4 pair that consisted of phone lines for 4 telephones with different numbers.&nbsp; This also became the first network cabling color scheme but the twisted pair had limitations in communication with different protocols so they had to split some pairs to keep the interference to a minimum.&nbsp; The standard was T568B which was white orange orange white, white green, blue white, white blue, green white, white brown, brown white.There was a T568A protocol that AT&amp;T used but it wasn&#039;t the accepted standard.&nbsp; Interesting though to communicate over different computers, Both A and B were needed to create a crossover cable.Damn, this is fun!&nbsp; I can remember a bunch!</blockquote>

[QUOTE="Snattlerake, post: 4331108, member: 44288"] House wiring was red green black and yellow. Red and green were a pair and black and yellow were a pair. Called a POTS line. Plain Old Telephone System. Tip and Ring were the wires in the pair. White blue, blue white, white orange, orange white., white green, green white, white brown, brown white. Those are the primary 4 pair that consisted of phone lines for 4 telephones with different numbers. This also became the first network cabling color scheme but the twisted pair had limitations in communication with different protocols so they had to split some pairs to keep the interference to a minimum. The standard was T568B which was white orange orange white, white green, blue white, white blue, green white, white brown, brown white. There was a T568A protocol that AT&T used but it wasn't the accepted standard. Interesting though to communicate over different computers, Both A and B were needed to create a crossover cable. Damn, this is fun! I can remember a bunch! [/QUOTE]

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