Apple PowerBook Duo Dock (including Duo Dock Plus) - Manual (Page 23)

The Duo Dock Plus comes with a built-in Apple EtherTalk port. You can also
purchase and install an EtherTalk network card in your Duo Dock. If you
have a Duo Dock Plus, or have installed an EtherTalk network card, you can
use the dock to connect to Ethernet networks to access a variety of
networking capabilities. Ethernet is a widely used communication standard
that supports very high transmission speeds for information.
With Ethernet, you can
m gain access to information on other computers
m allow access to information on your own PowerBook
m print documents on network printers
m link your programs to programs on other computers and share the features
between those programs
m update files over the network automatically
m designate specific information on your PowerBook as “shared files” that
other users can access over the network
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2 Using Your Duo Dock
on an EtherTalk Network