HP LaserJet M1319f Multifunction Printer - Manual (Page 88)

4. To connect an internal or external modem on a computer, plug one end of a telephone cord into
the product “telephone” port ( ). Plug the other end of the telephone cord into the modem “line”
port.
NOTE: Some modems have a second “line” port to connect to a dedicated voice line. If you have
two “line” ports, see your modem documentation to make sure that you connect to the correct “line”
port.
5. To connect a caller-ID box, plug a telephone cord into the previous device’s “telephone” port. Plug
the other end of the telephone cord into the caller-ID box “line” port.
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