Lenovo ThinkCentre A70 (English) User Guide - Page 17

Connector, Description, Used to attach an external modem, a serial printer, or other

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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, the audio line-in connector on a stereo system, or other external recording devices. 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. USB connector Used to attach a device that uses a USB connector, such as a USB keyboard, a USB mouse, a USB scanner, or a USB printer. If the USB connectors on your computer are not enough for you to connect all your 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. Chapter 1. Product overview 9

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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, the
audio line-in connector on a stereo system, or other external
recording devices.
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.
USB connector
Used to attach a device that uses a USB connector, such as a
USB keyboard, a USB mouse, a USB scanner, or a USB printer.
If the USB connectors on your computer are not enough for
you to connect all your 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.
Chapter 1. Product overview
9