|
MT3400ZLX
MULTI-TECH SYSTEMS, INC.
MT3400ZLX
|
Card Type
|
Modem, Fax
|
|
Chip Set
|
Unidentified
|
|
Maximum Modem Rate
|
33.6Kbps
|
|
Maximum Fax Rate
|
14.4Kbps
|
|
Data Modulation Protocol
|
Bell 103/212A
ITU-T V.32bis, V.34, V34bis
|
|
Fax Modulation Protocol
|
ITU-T V.17, V29, V.27ter
|
|
Error Correction/Compression
|
MNP5, V.42bis
|
|
Fax Class
|
Class I & II
|
|
Data Bus
|
PCMCIA
|
54717
|
SUPPORTED COMMAND SET
|
|
Basic AT Commands
|
|
AT, A/
|
|
A, E, H, M, P, Q, T, V, W, X, Z
|
|
&C, &F, &G, &R, &V, &W, &Z
|
|
Extended AT Commands
|
|
\A, \G, \J, \K, \V, \X
|
|
S Registers
|
|
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S30
|
|
|
|
Note: See MHI Help File for full command documentation.
|
Proprietary AT Command Set
|
AUTO-MODE DETECTION
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] Nn [cmds]
|
|
Description:
|
Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.
|
|
Command
|
Function
|
|
N0
|
In originate mode, handshake begins at line speed designated by the S37 register and the B command
|
|
í N1
|
In originate mode, handshake begins at line speed designated by the S37 register. and the B command. Modem can shift to a slower speed if necessary.
|
|
AUTOSYNC COMPATIBILITY
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &J [cmds]
|
|
Description:
|
Dummy command for autosync compatibility
|
|
Command
|
Function
|
|
&J0
|
Send OK to DTE
|
|
COMMUNICATIONS MODE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Mn [cmds]
|
|
Description:
|
Selects communications mode
|
|
Command
|
Mode
|
|
í &M0
|
Asynchronous mode
|
|
COMMUNICATION PROTOCOLS
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] Bn [cmds]
|
|
Description:
|
Selects the communication protocol for data calls
|
|
Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols.
|
|
Command
|
Protocol
|
|
B0
|
ITU-T V.22 at 1200bps or V.21 at 300bps
|
|
B1
|
Bell 212A at 1200bps or Bell 103 at 300bps
|
|
B2
|
Deselects V.23 reverse channel
|
|
B3
|
Deselects V.23 reverse channel
|
|
í B16
|
V.21 at 300bps
|
|
DATA SET READY (DSR)
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Sn [cmds]
|
|
Description:
|
Selects DSR options
|
|
Command
|
Function
|
|
í &S0
|
DSR forced high
|
|
&S1
|
DSR high only while modem is connected
|
|
DATA TERMINAL READY (DTR)
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Dn [cmds]
|
|
Description:
|
Selects modem response to DTR
|
|
Command
|
Function
|
|
&D0
|
Modem does not respond to DTR
|
|
&D1
|
Modem goes to command mode after DTR goes is off
|
|
í &D2
|
Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.
|
|
&D3
|
Modem is initialized after DTR goes off
|
|
DIAL
|
|
Type:
|
Immediate
|
|
Format:
|
AT [cmds] D<#> [cmds]
|
|
Description:
|
Dials telephone number according to any modifiers included in the string
|
|
Note:
|
Any combination of modifiers can be used to produce the desired dial functions in sequence.
|
|
Command
|
Function
|
|
DP
|
Pulse dialing enabled
|
|
DR
|
Reverse dial. Originate call in answer mode
|
|
DS=n
|
Dial stored telephone number n
|
|
DT
|
Tone dialing enabled/Pulse dialing disabled
|
|
DW
|
Dialing resumed following dial tone detection
|
|
D,
|
Dialing paused for amount of time specified in S8 register
|
|
D!
|
Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.
|
|
D@
|
Wait for quiet Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string.
|
|
D;
|
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.
|
|
FLOW CONTROL
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Kn [cmds]
|
|
Description:
|
Enables flow control options
|
|
Command
|
Function
|
|
&K0
|
Flow control disabled
|
|
í &K3
|
RTS to CTS flow control enabled
|
|
&K4
|
XON/XOFF flow control enabled
|
|
ON-LINE
|
|
Type:
|
Immediate
|
|
Format:
|
AT [cmds] On [cmds]
|
|
Description:
|
Controls on-line command (data transmission) state options.
|
|
Note: The O command must be placed at the end of the command string.
|
|
Command
|
Function
|
|
O0
|
On-line command mode with no retraining enabled
|
|
O1
|
On-line command mode with retraining enabled
|
|
O3-O14
|
Force modem to a new rate that is user defined by S62 regisiter
|
|
PULSE DIALING RATIO
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Pn [cmds]
|
|
Description:
|
Selects pulse dial make/break ratio
|
|
Command
|
Function
|
|
í &P0
|
39/61ms at 10pps (North America) or 33/67 (Japanese version)
|
|
&P1
|
33/67ms at 10pps (Europe) or 20pps (Japanese version)
|
|
RESTORE PROFILE ON POWER-UP
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Yn [cmds]
|
|
Description:
|
Restores a selected profile into the active profile on power-up (hard reset)
|
|
Command
|
Function
|
|
&Y0
|
Restore profile 0 on power-up
|
|
TEST MODES
|
|
Type:
|
Immediate
|
|
Format:
|
AT [cmds] &Tn
|
|
Description:
|
Selects test options
|
|
Command
|
Function
|
|
&T0
|
End current test
|
|
&T1
|
Begin local analog loopback test
|
|
&T3
|
Begin local digital loopback
|
|
V.32 - AUTO-RETRAIN
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Bn [cmds]
|
|
Description:
|
Controls auto-retrain function if poor line quality is detected
|
|
Command
|
Function
|
|
í &B1
|
Auto-retrain enabled if line quality is poor
|
|
&B2
|
Auto-retrain disabled; modem tolerates any line
|
Special Commands
|
COMPRESSION
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Cn [cmds]
|
|
Description:
|
Selects data compression
|
|
Command
|
Function
|
|
%C0
|
Data compression disabled
|
|
í %C1
|
MNP5 compression enabled
|
|
CONNECT MODE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] \Nn [cmds]
|
|
Description:
|
Controls the type of connection the modem will operate in
|
|
Command
|
Function
|
|
\N0
|
Normal mode enabled
|
|
\N1
|
Direct mode enabled
|
|
\N2
|
Reliable mode enabled
|
|
í \N3
|
Auto-reliable mode
|
|
\N4
|
V.42 or MNP mode enabled
|
|
FLOW CONTROL TYPE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] \Qn [cmds]
|
|
Description:
|
Sets type of flow control used by modem
|
|
Command
|
Function
|
|
\Q0
|
Flow control disabled
|
|
\Q1
|
Bi-directional XON/XOFF flow control enabled
|
|
\Q3
|
Bi-directional RTS/CTS flow control enabled
|
|
INACTIVITY TIMER
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] \Tn [cmds]
|
|
Range:
|
0-90
|
|
Unit:
|
1 second
|
|
Description:
|
Sets the length of time that the modem does not receive information before it disconnects.
|
S(STATUS) -REGISTERS
|
DCE LINE SPEED
|
|
Type:
|
Register
|
|
Format
|
AT [cmds] S37=n [cmds]
|
|
Description:
|
Sets the maximum allowable data exchange rate attempted during handshake process.
|
|
Command
|
Function
|
|
S37=0
|
Connects at last speed
|
|
S37=3
|
300bps
|
|
S37=5
|
1200bps
|
|
S37=6
|
2400bps
|
|
S37=7
|
4800bps
|
|
S37=8
|
7200bps
|
|
S37=9
|
9600bps
|
|
S37=10
|
12.0Kbps
|
|
S37=11
|
14.4Kbps
|
|
S37=12
|
16.8Kbps
|
|
S37=13
|
19.2Kbps
|
|
S37=14
|
21.6Kbps
|
|
S37=15
|
24.0Kbps
|
|
S37=16
|
26.4Kbps
|
|
S37=17
|
28.8Kbps
|
|
S37=18
|
33.6Kbps
|
|
DTE RATE STATUS
|
|
Type:
|
Register
|
|
Format
|
AT [cmds] S62=n [cmds]
|
|
Description:
|
Sets the maximum allowable data exchange rate attempted during handshake process.
|
|
Command
|
Function
|
|
S62=0
|
300bps
|
|
S62=1
|
600bps
|
|
S62=2
|
1200bps
|
|
S62=3
|
2400bps
|
|
S62=4
|
4800bps
|
|
S62=5
|
9600bps
|
|
S62=6
|
7200bps
|
|
S62=7
|
12.0Kbps
|
|
S62=8
|
14.4Kbps
|
|
S62=9
|
16.8Kbps
|
|
S62=10
|
19.2Kbps
|
|
S62=11
|
21.6Kbps
|
|
S62=12
|
24.0Kbps
|
|
S62=13
|
26.4Kbps
|
|
S62=14
|
28.8Kbps
|
|
S62=15
|
38.4Kbps
|
|
S62=16
|
57.6Kbps
|
|
S62=17
|
115.2Kbps
|
|
DTE TRANSFER SPEED
|
|
Type:
|
Register
|
|
Format
|
AT [cmds] S72=n [cmds]
|
|
Description:
|
Sets the maximum allowable data transfer speed
|
|
Command
|
Function
|
|
S72=0
|
300bps
|
|
S72=1
|
600bps
|
|
S72=2
|
600bps
|
|
S72=3
|
1200bps
|
|
S72=4
|
2400bps
|
|
S72=5
|
4800bps
|
|
S72=6
|
9600bps
|
|
S72=7
|
7200bps
|
|
S72=8
|
12.0Kbps
|
|
S72=9
|
14.4Kbps
|
|
S72=10
|
16.8Kbps
|
|
S72=11
|
19.2Kbps
|
|
S72=12
|
21.6Kbps
|
|
S72=13
|
24.0Kbps
|
|
S72=14
|
26.4Kbps
|
|
S72=15
|
28.8Kbps
|
|
S72=16
|
38.4Kbps
|
|
S72=17
|
57.6Kbps
|
|
S72=18
|
115.2Kbps
|
|
INACTIVITY TIMER
|
|
Type:
|
Register
|
|
Format:
|
AT [cmds] S46=n [cmds]
|
|
Range:
|
0-255
|
|
Unit:
|
1 second
|
|
Description:
|
Sets the length of time that the modem does not receive information before it goes into standby mode; S46=255 will disable. Default is 100.
|
|
POWER LEVEL
|
|
Type:
|
Register
|
|
Format:
|
AT [cmds] S64=n [cmds]
|
|
Range:
|
9-20
|
|
Unit:
|
1dBm
|
|
Description:
|
Transmission level power adjustment.
|
|
Note:
|
This register is only available in the Japanese version.
|
|