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Case H: Shared voice/fax line with computer dial-up modem
If you receive both voice calls and fax calls at the same phone number, and you also have
a computer dial-up modem connected on this phone line, set up the HP All-in-One as
described in this section.
Since your computer dial-up modem shares the phone line with the HP All-in-One, you
will not be able to use both your modem and the HP All-in-One simultaneously. For
example, you cannot use the HP All-in-One for faxing if you are using your computer dial-
up modem to send an e-mail or access the Internet.
There are two different ways to set up the HP All-in-One with your computer based on
the number of phone ports on your computer. Before you begin, check your computer to
see if it has one or two phone ports.
• If your computer has only one phone port, you will need to purchase a parallel splitter
(also called a coupler), as shown below. (A parallel splitter has one RJ-11 port on the
front and two RJ-11 ports on the back. Do not use a 2-line phone splitter, a serial
splitter, or a parallel splitter which has two RJ-11 ports on the front and a plug on the
back.)
Figure 4-7 Example of a parallel splitter
Fax setup 37