Dell Technology Guide
Page 313
USB also supports Plug-and-Play installation and hot swapping. The USB standard uses A and B connectors to avoid confusion: • Connectors A head upstream toward the computer. • Connectors B head downstream and connect to your computer. Pin Signal 1 USB5V+ 2 USBP- 3 USBP+ 4 GND Ports 313 USB gives you a single, standardized way to connect many devices to individual devices. Ports USB Port The Universal Serial Bus (USB) is an external bus standard that supports data transfer rates of 480 Mbps in case of USB 2.0.
USB also supports Plug-and-Play installation and hot swapping. The USB standard uses A and B connectors to avoid confusion: • Connectors A head upstream toward the computer. • Connectors B head downstream and connect to your computer. Pin Signal 1 USB5V+ 2 USBP- 3 USBP+ 4 GND Ports 313 USB gives you a single, standardized way to connect many devices to individual devices. Ports USB Port The Universal Serial Bus (USB) is an external bus standard that supports data transfer rates of 480 Mbps in case of USB 2.0.