MULTI-TECH SYSTEMS, INC.
MT5634ZLX/E, MT5634ZLX/E-T/2
Card Type | Modem |
Chip Set | Unidentified |
Maximum Modem Rate | 56Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Modulation Protocol | Bell 103/212A ITU-T V.22, V.22bis, V.32ter, V.32bis, V.34, K56flex, V.90 |
Fax Modulation Protocol | ITU-T V.17, V.29 |
Error Correction/Compression | MNP5, V.42, V.42bis |
Fax Class | Class I & II |
Data Bus | PCMCIA |
MULTI-TECH-SYSTEMS-INC-Modem-MT5634ZLX-E-MT5634ZLX
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, ‘+++’, A/ |
A, E, H, M, P, T, V, W, X, Z |
&C, &F, &G, &R, &T, &W, &Y, &Z |
Extended AT Commands |
\A, \C, \G, \J, \K, \V, \X |
%A, %G |
Special Commands |
"H, -J |
S Registers |
S0, S1, S2, S3, S4, 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 | Auto-mode detection disabled. Handshake begins at line speed designated by the S37 register and the B command. |
í N1 | Auto-mode detection enabled. Handshake begins at line speed designated by the S37 register and the B command. Fallback to lower speed if necessary unless in \N1 mode |
COMMUNICATIONS MODE | |
Type: | Configuration |
Format: | AT [cmds] &Mn [cmds] |
Description: | Selects communications mode |
Command | Mode |
í &M0 | Asynchronous mode |
&M4 | Hayes autosynchronous 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 |
í B1 | Bell 212A at 1200bps/Bell 103 at 300bps |
B2 | ITU-T V.23 at 75/1200bps originate; 1200/75bps answer |
B3 | ITU-T V.23 at 1200/75bps answer; 75/1200bps originate |
CONFIGURATION PROFILES & CALL STATISTICS | |
Type: | Immediate |
Format: | AT [cmds] &V [cmds] |
Description: | Displays active and stored configuration profiles & statistics for last connection |
Command | Function |
&V0 | Displays the active configuration, the two stored user profiles, and the first four phone numbers |
&V1 | Displays statistics for last connection |
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 on DTR toggle |
í &D2 | Modem goes to command mode and disconnects (hangs up) on DTR toggle; Auto-Answer is disabled on low DTR. |
&D3 | Modem is initialized on DTR toggle |
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 |
DSn | 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$ | Calling card "Bong" detection enabled |
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/CTS flow control enabled |
&K4 | XON/XOFF flow control enabled |
JACK TYPE | |
Type: | Configuration |
Format: | AT [cmds] &Jn [cmds] |
Description: | Command non-functional; for compatability purposes only |
Command | Function |
&J0 | Send OK to DTE |
&J1 | Send OK to DTE |
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 new rate defined by register S62 |
PULSE DIALING RATIO (INTERNATIONAL VERSION) | |
Type: | Configuration |
Format: | AT [cmds] &Pn [cmds] |
Description: | Selects pulse dial make/break ratio |
Command | Function |
&P0 | 39/61ms at 10pps (North America) |
&P1 | 33/67ms at 10pps (Europe) |
PULSE DIALING RATIO (JAPAN VERSION) | |
Type: | Configuration |
Format: | AT [cmds] &Pn [cmds] |
Description: | Selects pulse dial make/break ratio |
Command | Function |
&P0 | 33/67ms at 10pps (Europe) |
&P1 | 33/67ms at 20pps |
RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] Qn [cmds] |
Description: | Enables modem to send result codes to the DTE |
Command | Function |
í Q0 | Result code sending enabled |
Q1 | Result code sending disabled |
Q2 | Dumb answer mode enabled |
SPEAKER VOLUME | |
Type: | Configuration |
Format: | AT [cmds] Ln [cmds] |
Description: | Controls speaker volume |
Command | Function |
L0 | Low volume setting |
L1 | Low volume setting |
í L2 | Medium volume setting |
L3 | Highest volume setting |
V.32 - AUTO-RETRAIN | |
Type: | Configuration |
Format: | AT [cmds] &Bn [cmds] |
Description: | Controls auto-retrain function if poor line quality is detected |
Command | Function |
&B0 | Auto-retrain disabled, modem hangs-up |
í &B1 | Auto-retrain enabled if line quality is poor. Hang-up if condition persists longer than threshold set by register S7 |
&B2 | Modem tolerates any line |
Extended AT Commands
COMPRESSION | |
Type: | Configuration |
Format: | AT [cmds] %Cn [cmds] |
Description: | Selects data compression |
Command | Function |
%C0 | Data compression disabled |
í %C1 | MNP5 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 enabled |
\N4 | V.42 reliable 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 minute |
Description: | Sets the length of time that the modem does not receive information before it disconnects. |
SPECIAL COMMANDS
DIALING MESSAGE CONTROL | |
Type: | Configuration |
Format: | AT [cmds] %Mn [cmds] |
Description: | Controls the output of dialing message when dialing a number stored in memory |
Command | Function |
í %M0 | Dialing message disabled |
%M1 | Dialing message enabled |
FIRMWARE VERSION | |
Type: | Immidiate |
Format: | AT [cmds] -V [cmds] |
Description: | Displays firmware version number |
SERIAL PORT BAUD RATE | |
Type: | Configuration |
Format: | AT [cmds] $SBn [cmds] |
Description: | Sets the maximum allowable data exchange rate at serial port |
Command | Function |
$SB300 | 300bps |
$SB1200 | 1200bps |
$SB2400 | 2400bps |
$SB4800 | 4800bps |
$SB9600 | 9600bps |
$SB19200 | 19.2Kbps |
$SB38400 | 38.4Kbps |
$SB57600 | 57.6Kbps |
í $SB115200 | 115.2Kbps |
S(STATUS) -REGISTERS
BACKSPACE CHARACTER | |
Type: | Register |
Format | AT [cmds] S5=n [cmds] |
Range: | 0-127 |
Unit: | ASCII |
Description: | Selects a character used for backspace <BS> |
Note: A value greater than 32 will disable backspace |
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 |
í S37=0 | Speed of last connection |
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 DTE rate status |
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 |
í S62=16 | 57.6Kbps |
S62=17 | 115.2Kbps |
DTE TRANSFER SPEED | |
Type: | Register |
Format | AT [cmds] S72=n [cmds] |
Description: | Sets the DTE speed during data transfer |
Command | Function |
í S72=0 | Last auto-baud |
S72=1 | 300bps |
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 |
TRANSMISSION LEVEL (JAPAN) | |
Type | Register or Configuration |
Format | AT [cmds] S64=n [cmds] |
Range | 9-20 |
Default | 15 |
Unit | -1 dBm |
Description | Sets the signal level for transmission (Japan version) |
V.90 DOWNSTREAM DATA RATE | |
Type: | Register |
Format | AT [cmds] S38=n [cmds] |
Description: | Sets the maximum allowable V.90 downstream rate attempted during handshake process. |
Command | Function |
S38=0 | 56K disabled |
S38=1 | 56K automatic speed select |
S38=2 | 29.3Kbps |
S38=3 | 30.6Kbps |
S38=4 | 32.0Kbps |
S38=5 | 33.3Kbps |
S38=6 | 34.6Kbps |
S38=7 | 36.0Kbps |
S38=8 | 37.3Kbps |
S38=9 | 38.6Kbps |
S38=10 | 40.0Kbps |
S38=11 | 41.3Kbps |
S38=12 | 42.6Kbps |
S38=13 | 44.0Kbps |
S38=14 | 45.3Kbps |
S38=15 | 46.6Kbps |
S38=16 | 48.0Kbps |
S38=17 | 49.3Kbps |
S38=18 | 50.6Kbps |
S38=19 | 52.0Kbps |
S38=20 | 53.3Kbps |
S38=21 | 54.6Kbps |
S38=22 | 56.0Kbps |
V.90 MODE SELECTION | |||
Type: | Register | ||
Format: | AT [cmds] S109=n [cmds] | ||
Description: | Selects modem operating mode | ||
Command | Function | ||
í S109=0 | V.90 disabled | ||
S109=1 | K56flex or V.90 mode enabled | ||
S109=2 | V.90 mode enabled; K56flex disabled |