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Basic at commands – Multi-Tech Systems MT3410ZLX-T/2 User Manual

Page 60

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MultiMobile Owner’s Manual

60

For example, type:

ATH0

to hang up the modem connection,

or

AT&K3 to enable bi-directional CTS/RTS

hardware flow control.

Most of the AT commands can be entered in
“strings” (i.e., on the same command line) without
spaces between the individual commands. For
example:

AT&K3H0

As shown above, it is not necessary to put spaces
between the commands. So, there are no spaces
between

AT, &K3, and H0.

The modem usually returns a response (or “Result
Code”) at the next line if it understands the
command. The response is usually

OK or ERROR

unless the AT command provides other (extended)
messages.

Basic AT Commands

Command

Options Function & Description

A/

Re-execute the last command string

Terminate the current connection
attempt when entered in handshaking
state

All the following commands require an “AT” prefix

A

Go off-hook and attempt to establish a
connection without waiting for a ring

Bn

Line modulation options

B0

Select ITU-T V.22 mode for 1200 bps
connection and V.21mode for 300 bps

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