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2 Installation
8
MultiModemZPX User Guide
Step 2: Make the External Connections
Now connect the MultiModemZPX to the telephone line and, optionally, to your telephone. For voice
mail or speakerphone use, you can also connect it to a microphone and an external speaker, headphone,
or sound card. The microphone can be used for recording answering machine messages or for speaker-
phone use. The speaker or headphone can be used for playing back messages or as a speakerphone.
LINE
MIC
LINE
PHONE
Optional Voice
MIC IN
LINE OUT
PHONE
LINE
Figure 2-2. MT5634ZPX connectors.
Line Connection
Plug one end of the provided telephone cable into the modem’s LINE jack, and the other end into a
telephone wall jack. This is the only required connection.
Note: The LINE jack is not interchangeable with the PHONE jack. Do not plug the phone into the
LINE jack or the line cable into the PHONE jack.
Note: The Federal Communications Commission (FCC) and Industry Canada impose certain
restrictions on equipment connected to public telephone systems.
Phone Connection (Optional)
If you wish to connect a telephone to the same line as the modem, plug it into the modem’s PHONE jack.
Note: The PHONE jack is not interchangeable with the LINE jack. Do not plug the phone into the
LINE jack or the line cable into the PHONE jack.
Microphone Connection (Optional)
For voice mail or speakerphone applications, plug an unamplified microphone into the MIC jack. The
microphone should have a stereo 3.58mm (9/64-inch) mini plug. Do not use a monophonic microphone.