MULTI-TECH SYSTEMS, INC. MT1432MF, MT1432MG, MT1432MK, MT1432MU, MT1432MUI Card Type Modem (asynchronous) Chipset Multi-Tech Systems, Inc. Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103A, 113, 212A ITU-T V.21 (MT1432MUI only), V.22, V.22bis, V.23, V.32, V.32bis Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class II Data Bus Serial [Image] CONNECTIONS Function Label Function Label 9V DC power in CN1 Telephone line out CN3 Serial port CN2 POWER MODE Setting SW1 Standby, wait for incoming call Position 1 Off Position 2 On Position 3 DIAGNOSTIC LED(S) LED Color Status Condition TD Red On Modem is transmitting data TD Red Off Modem is not transmitting data RD Red On Modem is receiving data RD Red Off Modem is not receiving data CD Red On Carrier signal detected CD Red Off Carrier signal not detected 14 Status Color 96 Status Color Condition On Red On Red Modem connected at 12Kbps in V.32bis Off Red On Red Modem connected at 9600bps On Red Off Red Modem connected at 14.4Kbps Off Red Off Red Modem connected at slower than 9600bps DIAGNOSTIC LED(S) (CON'T) LED Color Status Condition 24 Red On Modem connected at 2400bps 24 Red Off Modem not connected at 2400bps 12 Red On Modem connected at 1200bps 12 Red Off Modem not connected at 1200bps OH Red On Modem is off-hook OH Red Blinking Modem is dialing in pulse mode OH Red Off Modem is on-hook TR Red On DTR signal is high TR Red Off DTR signal is low EC Red On Error correction enabled EC Red Blinking Data compression enabled EC Red Off Error correction disabled FX Red On Modem is connected in FAX mode FX Red Off Modem is not connected in FAX mode LB Red On Battery is low (approx. 10 minutes left) LB Red Off Battery is good SUPPORTED STANDARD COMMANDS Basic AT Commands +++, A/ A, B, D, E, H, M, O, P, T, V, X, Y, Z &D, &G, &P, &T S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S25, S30 Note: See MHI help file for complete information. Proprietary AT Command Set AUTO-RELIABLE FALLBACK Type: Configuration Format: AT [cmds] $Fn [cmds] Description: Selects whether error correction can be disabled by a while handshaking. Command Function $F0 Auto-reliable fallback disabled. $F1 Auto-reliable fallback enabled. AUTO-RELIABLE TIME BUFFER CONFIGURATION Type: Configuration Format: AT [cmds] $An [cmds] Description: Controls the handling of incoming data during the auto-reliable time period. Command Function $A0 Data is discarded. $A1 Data is buffered. BREAK TIME Type: Register Format: AT [cmds] S17=n [cmds] Default: 25 Range: 0 - 255 Unit: 10 mS Description: Sets the length of the break signal that the modem will send. CALLING TONE Type: Configuration Format: AT [cmds] $Tn [cmds] Description: Controls the transmission of the calling tone while dialing. Command Function $T0 Calling tone enabled. $T1 Calling tone disabled. COMMAND SET Type: Configuration Format: AT [cmds] &Qn [cmds] Description: Selects standard Hayes or custom command sets. Command Function &Q0 Multi-Tech custom command set enabled. &Q1 Standard Hayes command set enabled. COMPRESSION Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects data compression. Command Function &E14 Data compression disabled. &E15 Data compression enabled. COMPRESSION MODE Type: Configuration Format: AT [cmds] #Ln [cmds] Description: Selects the active data compression protocols. Command Function #L0 MNP and V.42 negotiation enabled. #L1 MNP negotiation enabled. #L2 V.42 negotiation enabled. #L3 V.42 enabled, no negotiation. CTS SIGNAL Type: Configuration Format: AT [cmds] &Rn [cmds] Description: Controls the behaviour of the CTS signal. Command Function &R0 CTS normal. &R1 CTS forced high. &R2 CTS forced high except for 1 second at disconnect. CTS, DCD, AND DSR DISCONNECT TIME Type: Register Format: AT [cmds] S24=n [cmds] Default: 20 Range: 0 - 255 Unit: 50 mS Description: Selects the amount of time that the CTS, DCD, and DSR signals will be forced low at disconnect if this option is selected by the &R, &C, and &S commands, respectively. See these commands for more information. CTS/RTS SIGNALS Type: Configuration Format: AT [cmds] &RFn [cmds] Description: Selects whether the state of the CTS signal is dependent on the state of the RTS signal. Command Function &RF0 CTS follows RTS. &RF1 CTS is independent of RTS. DATA FORMAT Type: Configuration Format: AT [cmds] $EBn [cmds] Description: Selects the data format of the serial port. Command Function $EB0 Sets 10-bit mode. $EB1 Sets 11-bit mode. DCD SIGNAL Type: Configuration Format: AT [cmds] &Cn [cmds] Description: Configures the behavior of the carrier detect signal. Command Function &C0 CD forced high. &C1 CD normal. &C2 CD forced high except during disconnect. &C4 Modem resets on low CD. DIAL STORED PHONE NUMBER Type: Immediate Format: AT [cmds] Na [Nb, Nc...] Description: Dials stored phone number(s). If the first number is busy, the modem will proceed to the next number in the list. DISPLAY INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested about the modem. Command Function I0 Displays product identification code. I1 Displays firmware version. I2 Displays product name. DISPLAY CONFIGURATION Type: Immediate Format: AT Ln Description: Displays the requested information about the modem's current configuration and command settings. Command Function L0 Displays stored phone numbers. L5 Displays all settings. L6 Displays the values of all S-registers. L7 Displays extended parameters. DSR SIGNAL Type: Configuration Format: AT [cmds] &Sn [cmds] Description: Controls the behaviour of the DSR signal. Command Function &S0 DSR forced high. &S1 DSR normal. &S2 DSR forced high except for 1 second at disconnect. DSR/DCD SIGNALS Type: Configuration Format: AT [cmds] &SFn [cmds] Description: Selects whether the state of the DSR signal is dependent on the state of the DCD signal. Command Function &SF0 DSR follows DCD. &SF1 DSR is independent of DCD. ESCAPE SEQUENCE BUFFER SIZE Type: Register Format: AT [cmds] S34=n [cmds] Default: 10 Range: 0-60 Unit: 1 byte Description: Sets the size of the buffer used to store the command line during an escape sequence. ESCAPE SEQUENCE - OUT OF BAND Type: Immediate Format: AT [cmds] Description: Puts the modem in Command Mode. ESCAPE SEQUENCE TIMEOUT Type: Register Format: AT [cmds] S32=n [cmds] Default: 20 Range: 0-255 Unit: 1 second Description: Sets the maximum amount of time the modem will wait for a while executing an escape sequence. ESCAPE SEQUENCE TYPE Type: Configuration Format: AT [cmds] %En [cmds] Description: Sets type of command escape sequence the modem will recognise. Command Function %E0 Command escape disabled. %E1 TIES escape (+++AT...) %E2 AT method. %E3 Both TIES and BREAK methods. ESCAPE SEQUENCE RESPONSE Type: Configuration Format: AT [cmds] %En [cmds] Description: Sets the response that the modem will give to an escape sequence. %E4 OK response to command escape disabled. %E5 OK response to command escape enabled. FACTORY DEFAULTS Type: Immediate/Configuration Format: AT [cmds] &Fn [cmds] Description: Loads factory defaults, or sets write protect on NVRAM. Command Function &F0 Reloads defaults by setting. &F8 Sets &F to read factory defaults from ROM, and disables NVRAM write protect. &F9 Sets &F to read defaults from NVRAM, and enables write-protect. FALLBACK MODE Type: Configuration Format: AT [cmds] #Fn [cmds] Description: Sets direction of fallback. Command Function #F0 Fallback disabled. #F1 Fallback from 14.4Kbps to 2400bps as line quality degrades. #F2 Fallback from 2400bps to 14.4Kbps as line quality improves. FLOW CONTROL Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects flow control. Command Function &E12 Flow control disabled. &E13 Flow control enabled. FLOW CONTROL - ENQ/ACK Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects Hewlett-Packard ENQ/ACK pacing. Command Function &E8 Enables Hewlett-Packard ENQ/ACK pacing. &E9 Disables Hewlett-Packard ENQ/ACK pacing. FLOW CONTROL IN NORMAL MODE Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects whether the modem will use XON/XOFF flow control for non-error-correcting connections. Command Function &E10 XON/XOFF disabled for non-error-correcting connections. &E11 XON/XOFF enabled for non-error-correcting connections. FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] &En [cmds] Description: Sets the type of flow control used by modem. Command Function &E3 Flow control disabled. &E4 CTS/RTS flow control enabled. &E5 XON/XOFF flow control enabled. HANDSHAKE ATTEMPTS Type: Configuration Format: AT [cmds] #An [cmds] Description: Configures which speeds the modem may attempt to connect at during the initial handshake phase. Command Function #A0 Attempts in order: 14.4Kbps, 9600bps, 4800bps, 2400bps, 1200bps, 300bps. #A1 Attempts 14.4Kbps connection only. #A2 Attempts in order: 14.4Kbps, 9600bps, 4800bps. #A3 Attempts in order: 2400bps, 1200bps, 300bps. HELP SCREENS Type: Immediate Format: AT $Hn Description: Shows modem help screens. Command Function $H1 Shows help screen 1. $H2 Shows help screen 2. $H3 Shows help screen 3. LOCAL SERIAL PORT SPEED Type: Configuration Format: AT [cmds] $SBnnn [cmds] Description: Sets serial port speed. Command Function $SB300 Sets 300bps speed. $SB1200 Sets 1200bps speed. $SB2400 Sets 2400bps speed. $SB4800 Sets 4800bps speed. $SB9600 Sets 9600bps speed. $SB19200 Sets 19.2Kbps speed. $SB38400 Sets 38.4Kbps speed. $SB57600 Sets 57.6Kbps speed. LOCK SERIAL PORT Type: Configuration Format: AT [cmds] $BAn [cmds] Description: Sets operation of serial port speed. Command Function $BA0 Serial speed locked at rate set by $SB. $BA1 Serial speed follows connect speed, ignoring $SB. LINE SPEED Type: Configuration Format: AT $MBnnn Description: Sets the maximum allowable data exchange rate attempted during the handshaking process. Command Function $MB75 Sets V.23 1200/75bps maximum connect speed. $MB300 Sets 300bps maximum connect speed. $MB1200 Sets 1200bps maximum connect speed. $MB2400 Sets 2400bps maximum connect speed. $MB4800 Sets 4800bps maximum connect speed. $MB9600 Sets 9600bps maximum connect speed. $MB14400 Sets 14.4Kbps maximum connect speed. LOGIN PASSWORD Type: Configuration Format: AT [cmds] #Ixxxx Description: Sets the login password to xxxx. The password must be between 6 and 10 characters, case sensitive. It defaults to MULTI-TECH. MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] &BSn [cmds] Description: Sets the maximum transmittable block size for MNP mode. Command Function &BS0 Maximum block size is 64 characters. &BS1 Maximum block size is 256 characters. PARITY Type: Configuration Format: AT [cmds] #Pn [cmds] Description: Sets the parity of the serial port. Command Function #P0 No parity. #P1 Odd parity. #P2 Even parity. REDIAL Type: Immediate Format: A: Description: Redials the last number dialed until it is no longer busy Note: Do not precede this command with AT or follow it with REMOTE CONFIGURATION CHARACTER Type: Register Format: AT [cmds] S13=n [cmds] Default: 37 Range: 0 - 127 Unit: 1 ASCII character Description: Defines the character that when received three times within the guard time set by S12, will notify the modem that a remote configuration session has been requested by the remote modem. RESULT CODES Type: Configuration Format: AT [cmds] Qn [cmds] Description: Enables modem to send result codes to the DTE. Command Function Q0 Result codes enabled. Q1 Result codes disabled. Q2 Result codes sent in originate mode only. RETRANSMIT FAIL ACTION Type: Configuration Format: AT [cmds] $Rn [cmds] Description: Sets whether the modem gives up on a bad connection. Command Function $R0 Hang up after 12 failed retransmissions. $R1 Do not hang up after 12 failed retransmissions. SETUP PASSWORD Type: Configuration Format: AT [cmds] #Sxxxx Description: Sets the setup password to xxxx. The password must be between 6 and 10 characters, case sensitive. It defaults to MODEMSETUP. STORE ACTIVE PROFILE Type: Configuration Format: AT [cmds] &Wn [cmds] Description: Writes the values for the active profile into the NVRAM. Command Function &W0 Write the active profile to stored profile 0 &W1 Does not write active profile; modem will read factory defaults on power-up or reset. TEST MODES Type: Immediate Format: AT [cmds] Un Description: Puts the modem into the selected test mode. Command Function U0 Begin local analog loopback test in originate mode. U1 Begin local analog loopback test in answer mode. U2 Request remote digital loopback. U3 Begin local digital loopback. TRELLIS CODING Type: Configuration Format: AT [cmds] #Tn [cmds] Description: Selects whether the modem will use trellis coding. Command Function #T0 Trellis coding disabled. #T1 Trellis coding enabled. UUCP SPOOFING Type: Configuration Format: AT [cmds] $SPn [cmds] Description: Controls the UUCP spoofing function. Command Function $SP0 Spoofing disabled. $SP1 Spoofing enabled. V.42 MODE Type: Configuration Format: AT [cmds] &En [cmds] Description: Configures the operation of V.42 mode. Command Function &E0 Error correction disabled. &E1 V.42 set to auto-reliable. &E2 V.42 set to reliable. V.42 WITH V.21 Type: Configuration Format: AT [cmds] $En [cmds] Description: Selects whether the modem will use V.42 error correction at V.21 300bps connections. Command Function $E0 V.42 disabled at 300bps. $E1 V.42 enabled at 300bps. XOFF MODE Type: Configuration Format: AT [cmds] #Xn [cmds] Description: Selects how XOFF characters are sent. Command Function #X0 Single XOFF character sent. #X1 Multiple XOFF characters sent until DTE responds. XON/XOFF PASS-THROUGH Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects whether XON/XOFF signals are sent to remote modem. Command Function &E6 XON/XOFF signals trapped by local modem. &E7 XON/XOFF passed through local modem.