Lenovo 3658 - Manual (Page 18)

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
devices.
DVI monitor connector Used to attach a DVI monitor or other devices that use a DVI
monitor 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. This
connector might be located on the front of the computer.
Parallel port Used to attach a parallel printer, a parallel scanner, or other
devices that use a 25-pin parallel port.
Serial port Used to attach an external modem, a serial printer, or other
devices that use a 9-pin serial port.
PS/2 keyboard connector Used to attach a keyboard that uses a PS/2 keyboard connector.
PS/2 mouse connector Used to attach a mouse, trackball, or other pointing devices that
use a PS/2 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.
10 User Guide