About Your Monitor | 15Pin AssignmentsDP connector (in)Pin number 20-pin side of the connected signal cable1 ML3(n)2 GND3 ML3(p)4 ML2(n)5 GND6 ML2(p)7 ML1(u)8 GND9 ML1(p)10 ML0(n)11 GND12 ML0(p)13 CONFIG114 CONFIG215 AUX CH (p)16 GND17 AUX CH (n)18 Hot Plug Detect19 Return20 DP_PWR