Dell U3011 Monitor - Manual (Page 11)

Universal Serial Bus (USB) Interface
USB Upstream Connector
USB Downstream Connector
USB Ports
l 1 upstream - back
l 4 downstream - 2 on back; 2 on left side
Plug and Play Capability
You can install the monitor in any Plug and Play-compatible system. The monitor automatically provides the computer system with its Extended Display
Pin Number 3-pin Side of the Connected Signal Cable
(Cable not included)
1 Y (Luminance signal)
2 Pb (Color differential signal)
3 Pr (Color differential signal)
NOTE: This monitor supports High-Speed Certified USB 2.0 interface.
Transfer speed Data Rate Power Consumption
High speed 480 Mbps 2.5 W (Max., each port)
Full speed 12 Mbps 2.5 W (Max., each port)
Low speed 1.5 Mbps 2.5 W (Max., each port)
Pin Number 4-pin Side of the Connector
1 DMU
2 VCC
3 DPU
4 GND
Pin Number 4-Pin Side of the Signal Cable
1 VCC
2 DMD
3 DPD
4 GND
NOTE: USB 2.0 functionality requires a USB 2.0 -capable computer
NOTE: The monitor's USB interface works only when the monitor is on or in power save mode. If you turn off the monitor and then turn it on, the attached peripherals may
take a few seconds to resume normal functionality.