HP LaserJet Pro CM1415fnw Color Multifunction Printer - Manual (Page 148)

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.
132 Chapter 11 Fax ENWW