Ports; Usb Port - Dell Inspiron 545 MT User Manual

Dell inspiron 545 mt: user guide
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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 gives you a single,
standardized way to connect many devices to your computer. 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 individual devices.
Pin
Signal
1
USB5V+
2
USBP–
3
USBP+
4
GND
313
Ports

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