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  | 
55301
| 
 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  | ||