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Chapter 4 – Leased Line Operation

Multi-Tech Systems, Inc. MT5600BA-V92 User Guide 27

Chapter 4 - Leased Line Operation

This chapter describes how to use the MultiModem II modem on a leased line.

A leased line is a private, permanent, telephone connection between two points. Unlike dialup

connections, a leased line is always active. The modems automatically connect when they are attached

to the line and are turned on. Because a leased line is always active, you must configure one of the two

modems on the line must as the originate modem and the other as the answer modem; it does not

matter which is which.

In the event of an interruption, leased line modems automatically reconnect when the data line or

power is restored. The modem also supports dial backup, which enables the modem to automatically

switch to a dial-up connection if the leased line goes down.

The modem supports both two-wire and four-wire leased-line operation.

Two-Wire/Four-Wire Setup

For leased line operation:

1. Plug one end of a two-wire phone cable into the modem’s LEASED jack. Connect the other end to a

leased line wall jack or terminals.

2. Turn on the modem.

3. Starting at the STATUS LCD, press the following buttons on the front panel: , , , , , . The

CURRENT SETTING= LCD appears.

4. If the CURRENT SETTING= LCD shows ASYNC AT, press  and go to Step 7. If it shows anything

else, press  to go to the ASYNC, NORM? LCD.

5. Press Enter to select normal asynchronous operation. The OPTION SET LCD appears.

6. Press  to exit to the SYNC/ASYNC OPTIONS LCD.

7. Press , , , , , , . The 2 WIRE LEASE? ORIG LCD appears.

8. Choose one of two actions:

● To set up the modem as the originate modem, press Enter.

● To set up the modem as the answer modem, press  to display the 2 WIRE LEASE? ANSWER

LCD, and then press Enter.

Note: One of the modems in a leased line pair must be configured as the originate modem, and

the other as the answer modem, but it does not matter which is which.

9. The OPTION SET LCD appears. Press  to exit to the ONLINE OPTIONS LCD, or  to exit to the

CURRENT SETTING= LCD to verify the selection.

This completes the setup for two-wire leased line operation. Upon completion, the modem attempts to

connect to the modem at the other end of the leased line. If the remote modem has not yet been

configured for leased line operation, you may turn off the local modem until the remote one is ready.

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Multitech MT5600BA Guida Utente Pagina 27