Multi-Tech Systems MT5600BL User Manual download pdf (Page 18)

MultiModemII User Guide

5. The next time you dial a HyperTerminal connection, it will select your new

modem and ask you to confirm the selection.

Step 3: Install and Configure Your Software

Your Multi-Tech modem is controlled by communication software installed on your

computer. If you wish to use software that is already installed, you should reconfig-

ure it for your new modem; otherwise, install the Trio data and fax communications

software provided with the modem.

1. Turn on your computer and run your communications software.

2. Find the dialog box or menu that lets you specify your modem. (In Windows

Terminal select Settings | Modem Commands; in HyperTerminal select File |

Properties | Phone Number; and in Trio select View | Datacomm | Communi-

cations | Setup | Modem | Select from List.

3. Choose your modem from the software’s modem list. If it isn’t listed, choose a

generic modem and modify the settings as necessary.

4. Change the modem initialization string, if necessary. The factory default config-

uration works well for most purposes. To load the factory default configuration,

use AT&F. To load a custom configuration that was saved using the &W com-

mand, use ATZ. Note that the Z command must be in a command string by it-

self. For a Macintosh, the initialization string should include the &D0 command.

If you do not want the modem to always answer the phone, add S0=0 to the

string. To use Caller ID with the modem, add S0=2 to the string (Caller ID infor-

mation is sent between the first and second rings, so the phone must ring at least

twice befor the modem picks up the line). Depending on the software, you

might have to end the string with a carriage return character (^M).

Note: To change the modem’s default configuration, type new commands in the

communication program’s terminal window, adding the &W command to store

them in the modem’s nonvolatile memory. For instance, to create a default

configuration for a Macintosh computer that turns off autoanswer, type

AT&F&D0S0=0&W. The new configuration loads automatically whenever the

modem is turned on or receives the ATZ command.

5. Select the port the modem is connected to (normally COM1 or COM2).

6. Select your serial port speed. This can be labeled “maximum speed,” “DTE

bps,” or “baud rate.” Ideally, if you use data compression, you should set your

serial port baud rate to four times the modem’s maximum transmission speed or

faster; however, few files can be compressed enough to require speeds that high,

and not all serial ports can handle speeds that high. Set the serial port baud rate

to 115,200 bps if your computer has a high speed serial port with a 16550AFN

UART or equivalent and Windows 95 or NT 4.0, or set it to 57,600 bps if it has

Windows 3.1x. If you have an older computer with a 14550 UART, set it to

19,200 bps. Older Macintosh computers can use a serial port baud rate of 57,600

bps; newer ones can use a serial port baud rate of 115,200 bps or 230,400 bps.

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Multi-Tech Systems MT5600BL User Manual Page 18