Common Modular Pin-outs
QA / Modular. Pin (Twisted Pair Cables)

A: USOC FLIPPED (RJ11)

B: USOC ST THRU (RJ11)

C: USOC FLIPPED (RJ45)

D: USOC ST THRU (RJ45)

E: EIA 568A (RJ45) ST THRU

P: 258A, 568B, RJ45 ST THRU

T: 10 BASE T RJ45 1, 2, 3, 6
ST THRU (PAIRS ONLY)

V: 568B CROSSOVER

Z: 1000 BASE T CROSSOVER
ETHERNET CROSSOVER

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