Locating connectors on the rear of your computer

Figure 2 “Rear connector locations” on page 8 shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer.

Figure 2. Rear connector locations

1Power cord connector

2PS/2 keyboard and mouse connectors (optional)

3Ethernet connectors (2)

4Audio line-in connector

5DisplayPort connector (number and location vary by model)

6DVI connector (number and location vary by model)

7Audio line-out connector

8Microphone connector

9USB 3.0 connectors (2)

10USB 2.0 connectors (8)

11Serial port

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.

DVI connector

Used to attach a Digital Video Interface cable for connection to a monitor. Also

 

supports connection to a VGA monitor with an optional DVI-to-VGA adapter.

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.

8ThinkStation User Guide

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Lenovo 4229, 4223, 4228 manual Locating connectors on the rear of your computer, Connector Description

4229, 4223, 4228 specifications

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