User's Manual

Chapter 2 - Hardware Installation
Overview – Connecting the Modem to Your System
Turn off your computer. Place the modem in a convenient location, then connect it to your computer’s serial port, to the phone
line, to AC power, and to your phone (phone is optional).
MT5656ZDX Connections.
MT5656ZDX Connections
Connect the Modem to Your PC (RS-232 Connection)
Plug one end of the RS-232 serial cable into the RS-232 connector on the modem, and plug the other
end into a serial port connector on your computer.
Connect the Modem to the Telephone Line (Line Connection)
Plug one end of the phone cable into the modem’s LINE jack and the other end into a phone wall
jack. The phone cable is included with your modem.
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.
(Optional) Connect the Modem to the Phone
For voice-only calls, plug a phone into the modem’s PHONE jack.
8 Multi-Tech Systems, Inc. MT5656ZDX User Guide