Lenovo 8338, 6139, 7348, 8820, 7637, 7479, 7626, 7356, 7359, 7629, 7345, 6136, 7187 Connector Description

Connector	Description
Audio line-in connector	Used to receive audio signals from an external audio device,
	such as a stereo system. When you attach an external audio
	device, a cable is connected between the audio line-out
	connector of the device and the audio line-in connector of the
	computer.
Audio line-out connector	Used to send audio signals from the computer to external
	devices, such as powered stereo speakers (speakers with
	built-in amplifiers), headphones, multimedia keyboards, or the
	audio line-in connector on a stereo system or other external
	recording device.
DisplayPort connector	Used to attach a high-performance monitor, a direct-drive
	monitor, or other devices that use a DisplayPort connector.
Ethernet connector	Used to attach an Ethernet cable for a local area network
	(LAN).
	Note: To operate the computer within FCC Class B limits, use
	a Category 5 Ethernet cable.
Microphone connector	Used to attach a microphone to your computer when you want
	to record sound or if you use speech-recognition software.
Serial port	Used to attach an external modem, a serial printer, or other
	devices that use a 9-pin serial port.
Standard keyboard	Used to attach a keyboard that uses a standard keyboard
connector	connector.
Standard mouse connector	Used to attach a mouse, a trackball, or other pointing devices
	that use a standard mouse connector.
USB connector	Used to attach a device that requires a Universal Serial Bus
	(USB) connector, such as a USB keyboard, a USB mouse, a USB
	scanner or a USB printer. If you have more than eight USB
	devices, you can purchase a USB hub, which you can use to
	connect additional USB devices.
VGA monitor connector	Used to attach a VGA monitor or other devices that use a VGA
	monitor connector.

8User Guide