Chapter 1 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. AT Commands for the MultiModem & SocketModem MT9234 Series (S000434H)
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$D DTR
Dialing
Description:
Dials the number in a memory location.
Note:
This command does not work with parallel, USB, PCI, PCIe
.
Syntax: AT$D<value>
Values:
0
Disables DTR dialing.
1
Dials the number in memory location 0 when DTR goes high.
Default: 0
Result Codes:
OK
ERROR
$EB
Asynchronous Word Length
Description:
Enables 10-bit or 11-bit mode.
Note:
This command does not work with parallel, USB, PCI, PCIe
.
Syntax: AT$EB<value>
Values:
0
Enables 10-bit mode.
1
Enables 11-bit mode.
Default: 0
$FC Quick
Connect
Description: Sets
quick
connect.
Syntax: AT$FC<value>
Values:
0
No quick connect
1
Sets quick connect speed at 1200
2
Sets quick connect speed at 2400
Default:
0
$LB Long
Break
Description:
Sets the length of a break sent to the DTE by the modem when received from the
remote side.
Note:
This command does not work with parallel, USB, PCI, PCIe
.
Syntax:
AT$LB=<value>
Values:
0-255 in 10 ms increments
Default:
30 (300 ms break)
$LL
Implements V.34 Handshake
Description:
Implements V.34 handshake per leased line specification or per standard
specification.
Syntax: AT$LL<value>
Values:
0
Implements V.34 handshake per standard specification.
1
Implements V.34 handshake per leased line specification.
Default:
0
Result:
OK if 0 or 1
ERROR if not 0 or 1
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