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MultiModemZPX User Guide
Step 5: Install and Configure Your Software
You may use either the communication program included with your modem or a
third-party program. Communication programs designed for Windows 95 and
above normally do not need to be manually configured, since they obtain configura-
tion information from Windows. Communication programs designed for DOS and
other operating systems, however, may need to be manually configured to work
with your modem. Though each communication program is different, the following
procedure should work with most of them.
1. Install and run your communication program.
2. Find the dialog box or menu that lets you select your modem. (In Windows
3. Choose your modem from the program's modem list. If it isn't listed, choose a
4. Change the modem initialization string, if necessary. The factory default config-
5. Select the port the modem is connected to.
6. Select your serial port speed. This can be labeled "maximum speed," "DTE
7. If the communication program has an autobaud selection, make sure it is disabled.
8. If the program allows you to edit the no-connect messages (NO CARRIER,
9. Refer to the program manual or online help for other configuration choices. In
HyperTerminal select File | Properties | Phone Number; in PhoneTools select
Configure | General Configuration | Communication | Change Modem.
generic modem and modify the settings as necessary.
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. 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 information 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 configu-
ration that turns off autoanswer, type AT&FS0=0&W. The new configuration loads
automatically whenever the modem is turned on or receives the ATZ command.
bps," or "baud rate." Ideally, if you use data compression, you should set your
serial port baud rate to four to six 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.
Autobaud applies only to older modems, and can cause problems if enabled.
BUSY, NO ANSWER, NO DIALTONE), make sure there is no space between
DIAL and TONE in NO DIALTONE.
most cases you can accept the default values.
2 Installation
16
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