Blue and white/blue for 1 pair of conductor, orange and white/orange for 2 pair of conductor, green and white/green for 3 pair of conductor, brown and white/brown for 4 pair of conductor
5.6 nF/100 m maximum, 4.9 nF/100 m nominal capacitance
570 ns/100 m maximum, 515 ns/100 m nominal propagation delay