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ThinkPad Mini Dock Series 3
1 The power jack is for connecting the ac power adapter.
2 The DisplayPort is for connecting a display device.
3 The digital visual interface connector is for connecting a monitor that supports Single-Link DVI.
Note: The DVI connector provides a digital interface only. This connector can be used with a computer that
supports DVI via docking only.
4 The headphone jack, a jack 1/8 inch (3.5 mm) in diameter, is for connecting an external stereo headphone.
5 The microphone jack, a jack 1/8 inch (3.5 mm) in diameter, is for connecting an external microphone.
6 The Ethernet connector is for connecting the ThinkPad Mini Dock Series 3 to an Ethernet LAN. The
indicator on the connector is the same as that on the computer.
Notes:
• You cannot use the Token Ring cable for this connector.
• You can use this connector for a 10BASE-T/100BASE-TX/1000BASE-T Ethernet.
Note: If you attach your computer to the ThinkPad Mini Dock Series 3 and use an Ethernet connector, use
the Ethernet connector on the ThinkPad Mini Dock Series 3, not the one on the computer.
7 The Universal Serial Bus connectors are for connecting USB 1.1 and USB 2.0 devices.
8 The external monitor connector is for connecting an external monitor.
Note: If you attach your computer to the ThinkPad Mini Dock Series 3 and use an external monitor connector,
use the external monitor connector on the ThinkPad Mini Dock Series 3, not the one on the computer.
9 When you attach a mechanical lock to the security keyhole, the eject button is locked so that the
computer cannot be removed from the ThinkPad Mini Dock Series 3.
Chapter 7. Enhancing your computer 123