ETHERNET CROSS link
egyik : nf, n, zf, k, kf, z, bf, b
masik : zf, z, nf, k, kf, n, bf, b
first: OW , O , GW , BL, BLW , G ,BRW , BR
second: GW , G , OW , BL , BLW , O , BRW, BR
POE bekötés