Acer Aspire 2020 - Manual (Page 36)

Getting familiar with your computer 26
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Connectivity options
Your computer has built-in connectivity options, enabling you to hook
up to a network or communicate over a phone line.
Ethernet and LAN
The integrated network feature allows you to connect your computer
to an Gigabit LAN (100/1000Mbps) network.
To use the network feature, plug an Ethernet cable into your
computer's network jack, and then connect the other end to a network
jack or hub on your network.
See Windows Help for information on setting up a network
connection.
Fax/data modem
Your computer features a built-in fax/data modem, enabling you to
communicate over a phone line. This means that you can connect to
the Internet via a dialup account with an ISP, log in to your network
from a remote location, or send faxes.
Warning: Your modem is not compatible with digital phone
lines. Plugging the computer into a digital phone system
will damage the modem.