Dell UltraSharp 49 U4924DW 49" WQHD Ultrawide Curved Monitor - Manual (Page 27)

About your monitor
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27
NOTE: The USB ports on the monitor work only when the monitor is
turned On or in Standby mode. If you turn Off the monitor and then
turn it On, the attached peripherals may take a few seconds to resume
normal functionality.
RJ45 Connector
Pin Signal
P1 MDI0+
P2 MDI0-
P3 MDI1+
P4 MDI1-
P5 CT
P6 CT
P7 MDI2+
P8 MDI2-
P9 MDI3+
P10 MDI3-
Pin number Orange Green
P11 - +
P12 + -
P13 N/A +
P14 N/A -