Dell P5524Q 55" UHD 4K Commercial Monitor - Manual (Page 11)

About your monitor
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11
9 USB 3.0
downstream port Connect your USB device.
You can only use this connector after you have
connected the USB cable to the computer and
USB upstream connector on the monitor.
10 USB 3.0 upstream
port Connect the USB cable that comes with your
monitor to the computer. Once this cable is
connected, you can use the USB downstream
connectors on the monitor.
11 RS232 connector Remote management and control of monitor via
RS232.
12 RJ-45 port Remote Network Management and control of
monitor via RJ-45.
Bottom view
1 1
1 Speakers