Dell UltraSharp 25 Series User Manual page 13

7 DisplayPort (out)
8 Audio line-out port
9 USB downstream port
(2)
*Headphone usage is not supported for the audio line out connector.
**To avoid signal interference, when a wireless USB device has been connected to
a USB downstream port, it is NOT recommended to connect any other USB
devices to the adjacent port(s).
DisplayPort output for MST (multi-stream
transport) capable monitor. To enable MST,
see "Connecting the monitor for DP Multi-
Stream Transport (MST)
NOTE: Remove the rubber plug when using
DisplayPort out connector.
Connect your speakers.*
Connect your USB device.**
NOTE: To use this port, you must connect
the USB Type-C cable (shipped with your
monitor) to the USB Type-C upstream port
on the monitor and to your computer.
About your monitor
function".
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