Dell 2709W Monitor - Manual (Page 11)

Universal Serial Bus (USB) Interface
USB Upstream Connector
USB Downstream Connector
USB Ports
l 1 upstream - rear
l 4 downstream - 2 on rear; 2 on left side
Operating
10% to 80% (noncondensing)
Nonoperating
Storage: 5% to 90% (noncondensing)
Shipping: 5% to 90%(noncondensing)
Altitude
Operating
3,657.6 m (12,000 ft) max
Nonoperating
12,192 m (40,000 ft) max
Thermal dissipation 375 BTU/hour (maximum)
195 BTU/hour (typical)
This monitor supports High-Speed Certified USB 2.0 interface.
Transfer speed Data Rate Power
Consumption
High speed 480 Mbps 2.5W (Max., each port)
Full speed 12 Mbps 2.5W (Max., each port)
Low speed 1.5 Mbps 2.5W (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