Dell E5515H Monitor - Manual (Page 22)

22

About Your Monitor
USB Upstream Connector
1 2
3 4
Pin Number 4-pin Side of the Connector
1 DMU
2 VCC
3 DPU
4 GND
USB Downstream Connector
1 2 3 4
Pin Number 4-pin Side of the Connector
1 VCC
2 DMD
3 DPD
4 GND