Chapter 2 – Installation
Multi-Tech Systems, Inc. MT5600BA-V92 User Guide 8
Chapter 2 - Installation

Step 1 - Connect the Modem to Your System

Turn off your computer. Placing the modem in a convenient location, connect it to your computer’s serial
port, to the telephone line, to your leased line, to AC power, and, optionally, to your telephone.
PHONE LINE LEASED
MultiModem II Connections

Connect the Modem to Your PC

Plug one end of the serial cable into the modem’s RS-232 connector.
Plug the other end into your PC’s serial port connector (COM1 or COM2).

Connect the Modem to the Telephone Line (Dialup

Connection)

Plug one end of the phone cable into the modem’s LINE jack.
Plug the other end into a public switched telephone network (PSTN) wall jack.
Important: The LINE jack and PHONE jack are not interchangeable. Do not plug the phone into
the LINE jack and do not plug the leased line cable into the PHONE jack.
Note: Regulatory agencies may impose certain restrictions on equipment connected to public
telephone systems.

Two-Wire or Four-Wire Leased Line Connection

Plug one end of a two-wire/four-wire phone cable into the modem’s LEASED jack.
Connect the other end to a leased line wall jack or terminals.
Modems with the leased line feature support dial backup.