Dell UltraSharp U2421HE User Manual page 9

Bottom View
Label Description
1 AC power port
2 HDMI port
3 DP port (in)
4 USB Type-C/DisplayPort
5 DP port (out)
6&8 USB downstream ports(2)
7 Audio line-out port
9 RJ-45 connector
10 Stand lock
10
1 2 3 4 5 6 789
Use
To connect the monitor power cable.
Connect your computer with HDMI cable (optional).
Connect your computer with DP cable.
Connect to your computer using the USB Type-C
cable.
The USB 3.1 Type-C port offer the fastest transfer
rate and the alternate mode with DP 1.4 support
the maximum resolution of 1920 x 1080 at 60
Hz(U2421HE) and 2560 x 1440 at 60 Hz(U2721DE),
PD 20 V/3.25 A, 15 V/3 A, 9 V/3 A, 5 V/3 A.
NOTE: USB Type-C is not supported on Windows
versions that are prior to Windows 10.
DP output for MST (multi-stream transport)
capable monitor. To enable MST, refer to instruction
on section "Connecting the Monitor for DP MST
Function".
NOTE: Remove the rubber plug when using DP out
connector.
Connect your USB device. You can use these ports
only after you have connected the USB cable (Type-C
to Type-C) from the computer to the monitor. Port
with battery icon supports Battery Charging
Rev. 1.2.
Connect speakers to playback audio coming through
USB Type-C or DP audio channels.
Only supports 2-channel audio.
NOTE: The audio line-out port does not support
headphones.
Remote Network Management and control of display
via RJ-45.
Lock the stand to the monitor using a M3 x 6 mm
(U2721DE)/ M3 x 8 mm (U2421HE) screw (screw not
included).
About Your Monitor | 9