Dell P5524Q 55" UHD 4K Commercial Monitor - Manual (Page 66)

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Contacting Dell
USB 3.0 upstream port USB 3.0 downstream port
Pin number Signal name Pin number Signal name
1 VBUS 1 VBUS
2 D- 2 D-
3 D+ 3 D+
4 GND 4 GND
5 StdB_SSTX- 5 StdB_SSTX-
6 StdB_SSTX+ 6 StdB_SSTX+
7 GND_DRAIN 7 GND_DRAIN
8 StdB_SSRX- 8 StdB_SSRX-
9 StdB_SSRX+ 9 StdB_SSRX+
Shell Shield Shell Shield
RS232 connector
RS232 monitor pin assignment (Facing monitor)
Male GND RXD TXD
RS232 serial communication cable pin assignment (Facing cable)