Dell U2720Q Users Guide - Page 19

USB downstream port, Universal Serial Bus USB, Transfer speed, Data rate

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Universal Serial Bus (USB) This section gives you information about the USB ports available on your monitor. NOTE: Up to 2 A on USB downstream port (port with battery icon) with BC 1.2 compliance devices; up to 0.9 A on the other 2 USB downstream ports. Up to 3 A on USB Type-C downstream port (port with icon) with 3 A compliance devices. Your computer has the following USB ports: • 4 downstream - 2 at left side, 2 at bottom Power Charging Port - the ports with battery icon supports fast current charging capability if the device is BC 1.2 compatible. The USB Type-C downstream port with icon supports fast current charging capability if the device is 3 A compatible. NOTE: The monitor's USB ports work only when the monitor is on or in the power save mode. In power save mode, if the USB cable (Type-C to Type-C) is plugged in, the USB ports can work normally. Otherwise, follow the OSD setting of USB, if the setting is "On During Standby" then USB work normally, otherwise USB is disabled. If you turn off the monitor and then turn it on, the attached peripherals may take a few seconds to resume normal functionality. Transfer speed SuperSpeed Hi-Speed Full speed Data rate 5 Gbps 480 Mbps 12 Mbps Maximum power consumption (each port) 4.5 W 2.5 W 2.5 W USB downstream port Pin number 1 2 3 4 5 Signal VBUS DD+ GND StdA_SSRX- Pin number 6 7 8 9 Shell Signal StdA_SSRX+ GND_DRAIN StdA_SSTXStdA_SSTX+ Shield About Your Monitor | 19

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About Your Monitor
|
19
Universal Serial Bus (USB)
This section gives you information about the USB ports available on your monitor.
NOTE:
Up to 2 A on USB downstream port (port with
battery icon) with BC 1.2
compliance devices; up to 0.9 A on the other 2 USB downstream ports. Up to 3 A on
USB Type-C downstream port (port with
icon) with 3 A compliance devices.
Your computer has the following USB ports:
•
4 downstream - 2 at left side, 2 at bottom
Power Charging Port - the ports with
battery icon supports fast current
charging capability if the device is BC 1.2 compatible. The USB Type-C downstream
port with
icon supports fast current charging capability if the device is 3 A
compatible.
NOTE:
The monitor’s USB ports work only when the monitor is on or in the power save
mode. In power save mode, if the USB cable (Type-C to Type-C) is plugged in, the USB
ports can work normally. Otherwise, follow the OSD setting of USB, if the setting is “On
During Standby” then USB work normally, otherwise USB is disabled. If you turn off the
monitor and then turn it on, the attached peripherals may take a few seconds to resume
normal functionality.
Transfer speed
Data rate
Maximum power consumption (each port)
SuperSpeed
5 Gbps
4.5 W
Hi-Speed
480 Mbps
2.5 W
Full speed
12 Mbps
2.5 W
USB downstream port
Pin number
Signal
Pin number
Signal
1
VBUS
6
StdA_SSRX+
2
D-
7
GND_DRAIN
3
D+
8
StdA_SSTX-
4
GND
9
StdA_SSTX+
5
StdA_SSRX-
Shell
Shield