MT5600ZDX Owner's Manual
18
Is Your MT5600ZDX Ready for Use?
As soon as you have connected power to the modem, if you’re an
experienced modem user, you may simply want to check your
modem’s settings for data compression, error correction, and so on.
You may find that you can get moving quite quickly if you just issue the
AT&V<cr>
command. This command lists how your modem is
currently configured. If you come across a setting you’re unsure of,
refer to Chapter 3 of this manual for AT command and S-Register
explanations and defaults.
If you’re a novice, please continue to the next sections of this chapter.
Operating Your MT5600ZDX
You control your MT5600ZDX by issuing AT commands and setting
S-Registers. Right now your MT5600ZDX is set up for the most typical
user application, that is, as a traditional modem set to make a dial-up
call to a remote installation where the call is answered automatically;
therefore, you shouldn’t need to change the current default
configuration. (If however, you know that your application does not
follow this profile, please refer to Chapter 3 for AT Commands and S-
Registers.)
In operating your MT5600ZDX it is likely that you will use your data
communications software to either:
• enter “terminal” mode, where you can “speak most directly” to the
modem by issuing AT commands, or to
• launch a datacomm session through a set of modem
configurations which you select and then associate with a target
telephone number. Once you have created, saved, and named
this set of information according to your connection needs and
your datacomm software’s conventions, the software then
simplifies your dialing because you needn’t reconfigure your
modem, nor run the risk of mistakenly keying-in incorrect
information.
Either way, you need to understand that an AT command is the
method by which your modem is controlled, and must therefore prefix
nearly all commands. AT stands for attention, and alerts the modem
that a command follows. You may enter these commands with either
upper- or lower-case characters. Entering AT automatically sets the
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