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Multitech MT1432BA User Manual

Page 135

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135

Appendix D - AT Command Summary

Command

Values

Description

932 Series:
$MB75 selects CCITT V.23 mode.
$MB300 selects 300 bps on-line.
$MB1200 selects 1200 bps on-line.
$MB2400 selects 2400 bps on-line.
$MB4800 selects 4800 bps on-line.

*

$MB9600 selects 9600 bps on-line.

&Mn

n = 0 or 1

*

&M0 selects Async when on-line.
&M1 selects Sync when on-line.

Nd

d = 0 thru 9

Dial stored telephone number “d” (Do not include the
letter D in this command.)

NdNe

d = 0 thru 9

Number Linking. If first number dialed is

e = any other

busy, another stored number may be

number 0

automatically dialed. In example, stored

thru 9

number d is dialed, and if busy, stored
number e is dialed.

O

Exit Command Mode and go into On-Line Mode.

P

*

Modem will pulse-dial numbers following the P.

&Pn

n = 0 or 1

*

&P0 means 60-40 pulse ratio.
&P1 means 67-33 pulse ratio.

Qn

n = 0, 1 or 2

*

Q0 means Result Codes sent.
Q1 means Result Codes will be suppressed (quiet).
Q2 means Dumb Answer Mode.

&Qn

n = 0 or 1

*

&Q0 selects Multi-Tech command set.
&Q1 selects AT command set.

Rn

n = 0 or 1

*

R0 means modem will not reverse modes.
R1 means modem will reverse modes.

&Rn

n = 0, 1 or 2

&R0 lets Clear to Send act normally.

*

&R1 forces Clear to Send on.
&R2 drops for 1 second on disconnect.

&RP (2834 Series only)

Command Initiates a Retrain that makes the
processor read Line Probe Information (valid only in
V.34 mode).

$Rn

n = 0 or 1

*

$R0 means disconnect after 12 retransmits.
$R1 means do not disconnect after 12 retransmits.

&RFn

n = 0 or 1

&RF0 selects CTS follows RTS.

*

&RF1 selects CTS to act independently

Sr=n

r = 0-11, 13,

Sets value of Register “r” to value of “n”,

15-19, 24-26,

where “n” is entered in Decimal format.

29, 30, 32, 34...

* Factory Default Setting

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