Lenovo ThinkStation D20 User Manual page 15

8. Connect any additional devices that you have. Your computer might not have all connectors that
are shown.
1
USB connector
2
Serial port
3
Ethernet connector
4
IEEE 1394 connector
5
eSATA connector
9. Connect the power cords to properly grounded electrical outlets.
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 10 USB devices, you can purchase a USB hub, which you can use to connect
additional USB devices.
Used to attach an external modem, a serial printer, or other devices that use a 9-pin
serial port.
Used to attach an Ethernet cable for a local area network (LAN).
Notes:
a. To operate the computer within FCC Class B limits, use a Category 5 Ethernet cable.
b. Your computer has two Ethernet connectors. For optimal performance, connect
your Ethernet cable for the primary LAN to the connector marked as number "1."
Used to send and receive IEEE 1394 signals between the computer and other
compliant devices, such as a video camera or an external storage drive. This connector
is sometimes called Firewire.
Use this External Serial Advanced Technology Attachment (eSATA) connector to attach
an external hard disk drive.
.
Chapter 3 Setting up your computer
9