Using A Digital Phone Service - Lexmark X7550 User Manual

2
Connect a telephone cord into the LINE port
3
Remove the protective plug from the EXT port
4
Connect a second telephone cord from the computer modem to the EXT port
Related topics:
•
"Using an RJ11 adapter" on page 62

Using a digital phone service

The fax modem is an analog device. Certain devices can be connected to the printer so that digital telephone services
can be used.
•
If you are using an ISDN telephone service, connect the printer to an analog telephone port (an R-interface port)
on an ISDN terminal adapter. For more information and to request an R-interface port, contact your ISDN
provider.
•
If you are using DSL, connect to a DSL filter or router that will support analog use. For more information, contact
your DSL provider.
of the printer, and then plug it into an active telephone wall jack.
of the printer.
Faxing
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of the printer.