Modem Pocket Guide This Pocket Guide is intended to summarize all commands, responses, register values, RS232 pin interface spec information that an experienced user may need to operate a Multi-Tech Modem. The definition and use of the commands is general in nature and not model specific. For more in-depth information, refer to the Modem Reference Manual or your Modem Owner's Manual. This Pocket Guide provides: Commands ù AT (Basic) ù AT (Extended) ù Password ù Callback Security ù Error Correction ù Leased/Dial-Up ù Fax (+F) ù Voice (>) ù V.25bis ù Hidden ù DOS S-Register ù Defining ù Counting ù Bit Mapped ù Remote Configuration Result Codes ù Terse ù Verbose ù Connect ù Speed ù Reliable Mode ù Data Compression DIP-Switches ù Async Operation ù Sync Operation RS232C/V.24/V.28 Specifications ù Pin Assignment ù Multi-Tech Designation ù EIA Circuit ù Signal Source ù Circuit Function Notes Basic AT Commands Function Command Description AT Attention Code that precedes all command lines except A/, A:, and Escape Codes. DIAL Ds Dial a telephone number "s", where s may include up to 60 digits or T,P,R, comma and ; characters. A: Continuous redial of last number until answered. MODIFY $Dn $D0 disables DTR Dialing. DIAL $D1 enables DTR Dialing. P Pulse dials number following P. &Pn &P0 sets 60-40 pulse ratio. &P1 sets 67-33 pulse ratio. T Tone dials number following T. , Automatic Pauses in Dialing Yn Y0 disables sending or responding to long space "break". Y1 enables sending or responding to long space "break". W Wait for new dial tone. ; Return to command mode after dialing Rn R0 means modem will not reverse modes. R1 means modem will reverse modes. ! Causes modem to flash On-Hook @ Causes modem to wait for ringback, then 5 seconds of silence, before processing next part of command. MODE &Mn &M0 enables Async when on-line. SELECT &M1 enables Sync when on-line. &Xn &X0 selects internal clock (enables DIP-Switch #11 to select clock). &X1 selects external clock (overrides DOWN position of DIP-Switch 11). &X2 selects slave clock. $Vn $V0 disables V.25bis mode. $V1 selects V.25bis mode. $V2 allows one V.25bis command in AT mode without leaving AT mode (V.25bis command follows $V2 command). STORE DsNd Store Phone Number. To store, PHONE phone number "s" is entered and NUMBERS followed by N and then directory number "d". Nd Dial Stored Number "d". (Do not include the letter d in this command). Function Command Description STORE NdNe Number Linking. If first number PHONE dialed is busy, another stored NUMBERS number may be automatically dialed. L List all stored telephone numbers stored in memory. RESET Z All configuration parameters are FACTORY reset to default values. DEFAULTS &F Loads factory defaults from ROM. &Fn &F8 determines function of &F. If &F8 is entered and subsequent &F, modem reads factory defaults regardless of what is stored in RAM. &F9 determines function of &F. If &F9 is entered and subsequent &F, modem reads parameters and values in RAM as defaults. STORE &Wn &W0 stores current parameters in MODEM non-volatile RAM and loads these CONFIGURATION for future sessions instead of reading factory ROM defaults, unless &F command is used. &W1 causes modem not to store parameters. COMMAND En E0 does not echo command mode RESPONSES characters. E1 echoes command mode characters. Qn Q0 means result codes are sent Q1 means result codes are suppressed (quiet). Q1 means Dumb Answer Mode. &Qn &Q0 selects Multi-Tech Result Codes. &Q1 selects standard AT Result Codes. Vn V0 means result codes displayed as digits (terse response). V1 means result codes displayed as words (verbose response). Xn X0 selects basic Result Codes (w/o CONNECT 1200, CONNECT 2400) X1 selects extended Result Codes (w/ CONNECT 1200, CONNECT 2400). X2 selects standard AT command response with NO DIAL TONE. X3 selects standard AT command response with BUSY. X4 selects standard AT command response with NO DIAL TONE and BUSY. Function Command Description MISCELLANEOUS A Answer call, even if no ring present. COMMANDS Bn B0 selects CCITT tones. B1 selects Bell tones. $Hn $H1 brings up Help Screen #1. $H2 brings up Help Screen #2. $H3 brings up Help Screen #3. Hn H0 means Hang Up (go on hook) H1 means Go Off Hook In I0 requests modem ID number. I1 requests firmware revision number. Ln L5 list current operating parameters. L6 list S-Register values. L7 list additional configuration parameters. Mn M0 means speaker is always Off. M1 means speaker is On until carrier is detected. M2 means speaker is always On. M3 means speaker is On during dialing and Off during handshaking. S Sr=n sets value of S-Register "r" to value of "n". "n" entered in decimal format. All S-Registers defined later in Pocket Guide. Sr? Reads value of S-Register "r" and displays 3-digit decimal value. All S-Registers defined later in Pocket Guide. ON-LINE/ O Exit command mode and go on-line. OFF-LINE +++AT Escape code which brings modem into command mode while remaining On-line. %En %E0 means modem will not perform Escape Sequence. %E1 means modem responds to +++ AT Escape Method. %E2 means modem responds to the Break Method. %E3 means modem responds to either +++ or Break Method. %E4 disables OK response to +++ Escape Method %E5 enables OK response to +++ Escape Method %E1,%E5 enables +++ Escape Method and OK response to +++ Escape Method %E3,%E5 enables either Break or +++ Escape Method and OK response to +++ Escape Method Function Command Description CONTROL &Cn &C0 forces Carrier Detect On. RS232C &C1 lets Carrier Detect act INTERFACE normally. &C2 lets Carrier Detect drop at S24 time on disconnect. &C4 resets modem when carrier detect drops. &Dn &D0 enables modem to ignore DTR &D1 enables modem to hang-up with loss of DTR. &D2 lets modem react to DTR normally. &D3 causes modem to reset to modem default parameters. &RFn &RF0 selects CTS to follow RTS. &RF1 selects CTS to act independently. &SFn &SF0 selects DSR to follow CD. &SF1 selects DSR independently TEST Un U0 places modem in analog loop originate mode. U1 places modem in analog loop answer mode. U2 places modem in remote digital loopback mode. U3 places modem in local digital loopback mode. &Tn &T4 enables response to request for remote digital loopback. &T5 disables response to request for remote digital loopback. Advanced AT Commands Function Command Description SPECIAL $SPn $SP0 disables spoofing. FEATURE $SP1 enables spoofing. $EBn $EB0 enables 10-bit asynchronous format. $EB1 enables 11-bit asynchronous format. &An &A0 disables Answerback feature. &A1 enables Answerback PERFORMANCE #An #A0 means Auto-Speed Detection CONDITIONING from 14,400 bps to 12,000 bps to 9600bps to 4800 bps to 2400 bps to 1200 bps to 300 bps. #A1 means 14,400 bps Auto-Speed Detection. #A2 means Auto-Speed Detection from 14,400 bps to 9600 bps to 4800 bps only. #A3 means Auto-Speed Detection from 2400 bps to 1200 bps to 300 bps only. &Bn &B0 means normal transmit buffer size. &B1 means reduced transmit buffer size. #Fn #F0 means no fallback when on-line. #F1 enables fallback from 14,400 bps to 4800 bps when on-line. #F2 enables fallback to 4800 bps from 14,400 bps with fall forward if phone line improves. &Gn &G0 turns Off CCITT guard tones. &G1 turns On CCITT 550 Hz guard tones. &G2 turns On CCITT 1800 Hz guard tones. #Tn #T0 turns Off Trellis Coded Modulation. #T1 turns On Trellis Coded Modulation. $Fn $F0 means do not fall back to normal connect if CR received. $F1 means fall back to normal connect if CR received. Password Commands Command Description #Ixxxxxxxxxx Login Password is any keyboard characters (x) (upper/ lower case sensitive), minimum 6 and maximum 10 characters. The default Login Password is MULTI-TECH. #Syyyyyyyyyy Set-up Password is any keyboard characters (y) (upper /lower case sensitive), minimum 6 and maximum 10 characters. The default Set-up Password is MODEMSETUP. Callback Security/Remote Configuration Commands Command Description #DBn #DB0 disables Callback Security and answering Yes to the prompt turns off Callback Security and erases stored phone numbers and passwords. Answering No to the prompt aborts the command. #DB1 activates remote and local password security. #DB2 activates remote password security. CBNyyxxxxxx Callback password with xxxxxx being callback password and yy being the memory location. Callback password xxxxxx must start with a non-numeric character and upper/lower case sensitive. Callback password xxxxxx must be a minimum of 6 and maximum of 10 characters. yy memory locations are from 0 to 29. + - Dxxxxxx???Nxx Callback Phone Numbers xxxxxx with the + preceding the phone number indicating the callback modem phone number for the corresponding password at the same memory location. The (-) preceding the phone number enables direct entry when the caller uses the correct password without the callback modem having to return the call. The ??? entry at the end of the phone number represents an extension added to the main phone number. The Nxx is the memory location of the callback phone number and password. #Pn Parity of the prompt messages sent by the callback modem. #P0 is no parity #P1 is odd parity #P2 is even parity #RCBNxx Erases the callback password stored at memory location xx. Memory locations are 0 to 29. #RDNxx Erases the callback phone number stored at memory location xx. Memory locations are 0 to 29. Error Correction and Speed Conversion Commands Function Command Description CONFIGURE $An $A0 discards data during auto ERROR - reliable time period. CORRECTION $A1 buffers data during auto-reliable time period &BSn &BS0 means maximum transmit block size of 64 characters. &BS1 means maximum transmit block size of 256 characters. &En &E0 Normal Mode &E1 V.42 Auto-Reliable Mode &E2 V.42 Reliable Mode $E $E0 is no error correction at 300 bps $E1 enables &E0-2 connections at 300 bps. #Ln #L0 means modem negotiate V.42 Mode during handshake. #L1 means MNP On and LAPM Off #L2 means LAPM On and MNP Off #L3 means no detection phase but go directly to LAPM. $Rn $R0 enables disconnect after 12 retransmits. $R1 means modem will not disconnect on any number of retransmits. CONFIGURE &En &E3 is no modem initiated flow FLOW control. CONTROL &E4 is CTS modem initiated hardware flow control. &E5 Xon/Xoff modem-initiated flow control &E6 is Xon/Xoff not pass-through &E7 Xon/Xoff with Pass-Through &E8 Enq/Ack pacing Off &E9 Enq/Ack pacing On &E10 normal mode flow control Off &E11 normal mode flow control On &E12 pacing Off &E13 pacing On CONFIGURE &En &E14 data compression disabled DATA &E15 data compression enabled COMPRESSION Function Command Description CONFIGURE $BAn $BA0 speed conversion On SPEED $BA1 speed conversion Off CONVERSION $MBn $MB set modem speed $MB75 - CCITT V.23 $MB300 - 300 bps $MB1200 - 1200 bps $MB2400 - 2400 bps $MB4800 - 4800 bps $MB9600 - 9600 bps $MB14400 - 14400 bps $SBn $SB Set serial port speed $SB300 - 300 bps $SB1200 - 1200 bps $SB2400 - 2400 bps $SB4800 - 4800 bps $SB9600 - 9600 bps $SB19200 - 19200 bps $SB38400 - 38400 bps $SB56700 - 56700 bps Leased/Dial-Up Commands Function Command Description LEASE LINE &L0 Enables dial-up mode. (2/4-Wire, &L2A Enables 2-wire operation in Answer Answer/ mode. Originate) &L2D Enables 2-wire operation in Originate MODE SELECT mode. &L4A Enables 4-wire operation in Answer mode. &L4D Enables 4-wire operation in Originate mode. Note: DIP-Switch #10 in UP position overrides &L commands. Fax Commands Function Command Description ACTION +FDT Begin or continue sending COMMANDS +FDT[=DF,VR,WD,LN] - Prefixes Phase C data transmission. Subparameters (DF,VR, WE,LN) are optional. +FET End the Page or Document Command +FET= - Current or partial page is complete; no more data appended to it. PPM Codes are: 0 - Another page next, same document 1 - Another document next 2 - No more pages or documents 3 - Another partial page next 4 - Another page, procedure interrupt 5 - Another document, procedure interrupt 6 - All done, procedure interrupt +FK Kill operation, orderly fax abort +FDR Begin or continue Phase C data reception command DCE +FDCS: Report DCS frame information RESPONSES +FDIS: Report DIS frame information +FDTC: Report DTC frame information FPOLL Indicates polling request +FCFR Prepare to Receive Prompt +FTSI: Report Remote ID Response, TSI +FTSI: * - Transmit Station ID +FCSI: Report Remote ID Response, CIS +FCSI:< string "__"> * - Called Station ID +FCIG: Report Remote ID Response, CIG +FCIG: * - Polling Station ID +FNSF: Report received Non Standard Facilities (NSF) Frame +FNSF: * Non Standard Facilities +FNSS: Report received Non Standard Setup (NSS) Frame +FNSS: *Non Standard Setup +FNSC: Report received Non Standard Command (NSC) Frame +FNSC:< string "__"> *Non Standard Commands Notes * String parameters consist of a double quote followed by the exact string value, including leading and trailing spaces, followed by the closing double quote. ** HDLC frame bytes consist of hexadecimal digits followed by a space Function Command Description DCE +FHT: Report Transmit HDLC Frame RESPONSES Response (Continued) +FHT **- Reports HDLC data sent by DCE +FHR: Report Received HDLC Frame Response +FHR ** - Reports HDLC data received by DCE +FCON Connection with a fax machine +FVOICE Transition to Voice Response +FET: Post Page Message Response +FET: PPM Codes are: 0 - Another page next, same document 1 - Another document next 2 - No more pages or documents 3 - Another partial page next 4 - Another page, procedure interrupt 5 - Another document, procedure interrupt 6 - All done, procedure interrupt +FPTS: Transmit Page Transfer Status Response +FPTS: - Reports number representing copy quality and related post-page messages from remote DCE. PPR Codes are: 0 - Partial page errors 1 - Page good 2 - Page bad; retrain requested. 3 - Page good; retrain requested 4 - Page bad; interrupt requested 5 - Page good; interrupt requested 6 - Partial page reception failed after 4 retries (ECM only) 7 - Acknowledge a CTC message (ECM) +FHNG: Call Termination Status Response +FHNG: Hang-up Status Codes 0-9 - Call placement and termination 0 - Normal and proper end of connection 1 - Ring detect without successful handshake 2 - Call aborted, from +FK or 3 - No loop current 10-19 - Transmit Phase A & miscellaneous errors 10 - Unspecified Phase A error 11 - No answer (T.30 T1 time-out) Function Command Description DCE +FHNG: 20-39 - Transmit Phase B hangup RESPONSES codes (Continued) 20 - Unspecified Transmit Phase B error 21 - Remote cannot receive or send 22 - COMREC error in transmit Phase B 23 - COMREC invalid command received 24 - RSPEC error 25 - DCS sent three times without response 26 - DIS/DTC received 3 times; DCS not recognized 27 - Failure to train at 2400 bps or +FMINSP value 28 - RSPREC invalid response received 40-49 - Transmit Phase C Hangup Codes 40 - Unspecified Transmit Phase C error 43 - DTE to DCE data underflow 50-69 - Transmit Phase D Hangup Codes 50 - Unspecified Transmit Phase D error 51 - RSPREC error 52 - No response to MPS repeated 3 times 53 - Invalid response to MPS 54 - No response to EOP repeated 3 times 55 - Invalid response to EOP 56 - No response to EOM repeated 3 times 57 - Invalid response to EOM 58 - Unable to continue after PIN or PIP 70-89 - Receive Phase B Hangup Codes 70 - Unspecified receive Phase B error 71 - RSPREC error 72 - COMREC error 73 - T.30 T2 timeout, expected page not received 74 - T.30 T1 timeout after EOM received 90-99 - Received Phase C Hangup Codes 90 - Unspecified receive phase C error 91 - Missing EOL after 5 seconds (section 3.2/T.4) 92 - Unused code 93 - DCE to DTE buffer overflow 94 - Bad CRC or frame (ECM or BFT modes) Function Command Description DCE +FHNG: 100- 119 - Receive Phase D Hangup RESPONSES Codes (Continued) 100 - Unspecified Received Phase D errors 101 - RSPREC invalid response received 102 - COMREC invalid response received 103 - Unable to continue after PIN or PIP 120-255 - Reserved Codes PARAMETERS +FCLASS Service Class Identification and Control +FCLASS= - Service Class set by DTE: +FCLASS=0 - Data modem +FCLASS=1 - Service Class 1 (Not Supported) +FCLASS=2 - Service Class 2 +FCLASS=3-255 Reserved (Not Supported) +FMFR DCE manufacture's name (Read only) +FMDL DCE model's number (Read only) +FREV DCE Revision number (Read only) +FDCC DCE Capabilities Parameter +FDCC=VR,BR,WD,LN,DF,EC,BF,ST +FDIS Current Session Negotiation Parameters +FDIS=VR,BR,WD,LN,DF,EC,BF,ST VR=0 - Normal, 98dpi VR=1 - Fine, 196 dpi BR=0 - 2400 bit/s V.27ter BR=1 - 4800 bit/s V.27ter BR=2 - 7200 bit/s V.29 or V.17 BR=3 - 9600 bit/s V.29 or V.17 WD=0 - 1728 pixels in 215 mm WD=1 - 2048 pixels in 255 mm WD=2 - 2432 pixels in 303 mm WD=3 - 1216 pixels in 151 mm WD=4 - 864 pixels in 107 mm LN=0 - A4, 297 mm LN=1 - B4, 364 mm LN=2 - Unlimited Length DF=0 - 1-D modified Huffman DF=1 - 2-D modified Read (N/S) DF=2 - 2-D Uncompressed Mode (N/S) DF=3 - 2-D Modified Modified Read (N/S) EC=0 - Disable ECM EC=1 - Disable ECM, 64bytes/frame (N/S) EC=2 - Disable ECM, 256bytes/frame (N/S) BF=0 - Disable BFT (N/S) BF=1 - Enable BFT (N/S) Function Command Description PARAMETERS +FDCS VR=Normal VR=Fine (Continued) (Cont'd) ST=0 0 ms 0 ms ST=1 5 ms 5 ms ST=2 10 ms 5 ms ST=3 10 ms 10 ms ST=4 20 ms 10 ms ST=5 20 ms 20 ms ST=6 40 ms 20 ms ST=7 40 ms 40 ms +FLID Local ID String Parameter,TSI/CSI +FLID= - Local ID string is 20 ASCII characters (0-9,+ and space). +FCIG Local Polling ID String Parameter +FCIG= - Local polling ID string is 20 ASCII characters. +FSPL Enable Polling Parameter +FSPL=0 - DTE does not want to poll. +FSPL=1 - DTE can receive a polled document. +FLPL Document for Polling Parameter +FLPL=0 - DTE has no document to poll. +FLPL=1 - DTE has a document ready for polling. +FPTS Page Transfer Status Parameter +FPTS=0 - Partial page errors. +FPTS=1 - Page good. +FPTS=2 - Page bad; retrain requested. +FPTS=3 - Page good; retrain requested. +FPTS=4 - Page bad; interrupt requested. +FPTS=5 - Page good; interrupt requested. +FBUG Session Message Reporting Parameter +FBUG=0 - Disables HDLC frame reporting. +FBUG=1 - DCE reports contents of Phase B and D HDLC frames as sent and received and other responses. OPTION +FCR Capability to Receive Parameter PARAMETERS +FCR=0 - DCE will not receive message data. +FCR=1 - DCE can receive message data. +FAA Auto Answer Mode Parameter +FAA=0 - Constrains DCE to answer as set by +FCLASS. +FAA=1 - DCE can answer and automatically determine whether to answer as a facsimile DCE or as a data modem. Function Command Description OPTION +FBUF Buffer Size (Read Only) Parameter PARAMETERS +FBUF?,,, (Continued) BS - Total buffer size XOFT - XOFF threshold XONT - XON threshold BC - Current buffer byte count +FCQ Copy Quality Capabilities Parameter +FCQ=0 - DCE does no copy quality checking. +FCQ=1 - DCE can check 1-D Phase C data. +FBADMUL Error Threshold Multiplier - +FBADMUL= - Value is 0 to 255. Number of lines received with bad pixel count is multiplied by this number. If value exceeds number of lines in page, then error rate is too high. +FBADLIN Number of Consective Bad Lines for a Bad Page Parameter - +FBADLIN= - Value is 0 to 155. If consecutive lines have pixel count errors in normal resolution mode, the copy quality is unacceptable. If two consecutive lines have pixel count errors in fine resolution mode, the copy quality is unacceptable. +FPHCTO Phase C Time-Out Parameter +FPHCTO= - Value is 0 to 255, 10millisecond units. +FAXERR Fax Error Value Parameter +FAXERR= (read only). Table values defined in +FHNG. +FMINSP Minimum Phase C Speed Parameter +FMINSP=BR - Limits lowest negotiable speed for session. BR=0 - 2400 bit/s V.27ter BR=1 - 4800 bit/s V.27ter BR=2 - 7200 bit/s V.29 or V.17 BR=3 - 9600 bit/s V.29 or V.17 BR=4 - 12000 bit/s V.17 BR=5 - 14400 bit/s V.17 +FBOR Phase C Data Bit Order Parameter +FBOR=0 - Direct bit order for both Phase C data. +FBOR=1 - Reverse bit order for Phase C data. +FREL Phase C EOL Alignment Parameter +FREL=0 - EOL patterns are bit aligned as received. +FREL=1 - Last received bits of EOL patterns are byte aligned by DCE. Function Command Description OPTION +FDFFC Data Compression Format Conversion PARAMETERS Parameter (Continued) +FDFFC=0 - Disables mismatch checking. DTE must check +FDCS:DF subparameter and transfer matching data. +FWDFC Page Width Format Conversion Parameter +FWDFC=0 - Disables mismatch checking. DTE must check +FDCS:WD subparameter and transfer matching data. +FWDFC=1 - Enables mismatch checking with an implied +FK command executed on mistmatch detection. +FWDFC=2 - Enables mismatch checking with page width conversion of 1D data in DCE and implied +FK command executed on 2-D mismatch detection. +FLNFC Page Length Format Conversion Parameter +FLNFC=0 - Disables mismatch checking. DTE must check +FDCS:LN subparameter and transfer matching data. +FLNFC=1 - Enables mistmatch checking with implied +FK command executed on mismatch detection. +FLNFC=2 - Enables mistmatch checking with page length conversion of 1-D data in DCE and implied +FK command executed on 2-D mismatch detection. +FVRFC Vertical Resolution Format Conversion Parameter +FVRFC=0 - Disables mismatch checking. DTE must check +FDCS:VR subparameter and transfer matching data. +FVRFC=1 - Enables mistmatch checking with implied +FK command executed on mismatch detection. +FVRFC=2 - Enables mistmatch checking with page length conversion of 1-D data in DCE and implied +FK command executed on 2-D mismatch detection. Voice Commands Command Description >D1 Selects the Input Destination. The commonly-used options are: >DI3>DO3 for telephone operation. >DI6>D O6 for voice-over data mode. >D0 Selects the Output Destination. The commonly-used options are: >DI3>DO3 for telephone operation. >DI6>DO6 for voice-over data mode. >HV Ambient-Noise Sensitivity Options >HV0 is the most sensitive to ambient noise. The range of sensitivity is from >HV0 to >HV15 with 15 being the least sensitive. >P Multi-Tech Supervisory Protocol™ (MSP) mode allows the PC to transmit asynchronous packets of information to the modem. >P1 enables MSP mode. >P2 disables MSP mode. >PH Connects the modem or telephone to the line. >PH0 connects the modem (data pump) to the line. >PH1 connects the telephone to the line. >M Selects the microphone mode. >M0 turns off the modem's microphone. >M1 activates the headset microphone (mouthpiece). >M2 activates the handset microphone. >M3 activates the microphone on the modem. >MV Sets the microphone volume to one of 14 levels. >MV0 sets the microphone volume to the lowest level when activated by the >M command. >MV1to >MV13 increases the microphone volume in steps as the number increases. >S Selects the speaker mode. >S0 turns off the modem's speaker. >S1 activates the headset speaker (earpiece). >S2 activates the handset speaker. >S3 activates the speaker on the modem. >SV Sets the speaker volume to one of nine levels. >SV0 sets the speaker volume to the lowest level when activated by the >S command. >SV1to >SV9 increases the speaker volume in steps as the number increases. >VD Selects the voice-over-data mode. >VD0 activates the packet (voice-over-data) mode with the appropriate selections for voice paths, speaker and microphone volumes, and source and destination. >VD1 deactivates the voice-over-data mode. V.25bis Commands Command Description $Vn $V0 returns modem to AT command mode when in V.25bis mode. $V1 enables V.25bis mode of operation. $V2 allows modem to receive one V.25bis command while in AT command mode without leaving AT command mode. $V5 DSR follows DTR in V.25bis mode. $V6 DSR does not follow DTR in V.25bis mode. CLAmm Clears the phone number memory location mm. Phone numbers are stored in memory locations 00 to 19. CSPs Changes the serial bps rate. CSP0300 - 300 bps CSP1200 - 1200 bps CSP2400 - 2400 bps CSP4800 - 4800 bps CSP9600 - 9600 bps CSP19200 - 19200 bps CSP38400 - 38400 bps CSP57600 - 57600 bps CRNdd Dials phone number dd where dd can be up to 20 characters (0 through 9, *, #, P, T and :). Phone number is checked against the Delayed and Forbidden Number lists before dialed. CRIdd;nn Dials dd same as CRN Command and ignores nn identification string. CRSmm Dial stored phone number at memory location mm. Phone numbers are stored in memory locations 00 to 19. Phone number is checked against the Delayed and Forbidden Number lists before dialed. PRNmm;dd Store phone number in memory location mm followed by a semicolon (;) and the phone number dd in which you wish to store. RLN Displays all phone numbers stored in memory. RLD Displays the delayed phone numbers stored in memory. The delayed phone numbers listing can contain up to eight phone numbers. RLF Displays the forbidden phone numbers stored in memory. This listing can be up to eight phone numbers. DIC The disregard or connect to incoming calls or commands are used for auto-answer CIC operations. DIC stops the modem from answering incoming calls. CIC causes the modem to answer incoming calls. Hidden Commands Function Command Description PROCESS +FRBOR Maintaining compatibility with DATA IN Rockwell Class 2 chip set for fax data DIRECT OR reception . REVERSE ORDER FRBOR=0 - Process received fax data in direct order. FRBOR=1 - Process received fax data in reverse order. IGNORE +FICHABRT Delrina WinFax Parameter CHARACTER +FICHABRT=0 - Modem hangs up ABORT after dialing if first version of Delrina Winfax 2.0 is used. +FICHABRT=1 - Prevents modem from hanging up after dailing if remote fax uses Delrina Winfax software. CHANGE +FCHBAUD Change baud rate after fax connection. BAUD RATE +FCHBAUD=0 - Disables the change TO 19200 ON FAX baud rate on fax connections. CONNECTION +FCHBAUD=1 - Changes modem baud rate to 19200 bps after +FCON response. RESET +FCLASSMOD Reset +FCLASS parameter on FCLASS disconnect. PARAMETER +FCLASSMOD=0 - Reset +FCLASS to 0 on disconnect. +FCLASSMOD=1 - Does not reset +FCLASS to 0 on disconnect. MODIFY +FAAMOD Modify Auto Answer Mode Parameter +FAA=1 +FAAMOD=0 - Use fax calling tone AUTO-DETECT only to detect if incoming call is fax or BEHAVIOR data. +FAAMOD=1 - If no calling tone is detected, try data mode for 10 seconds and if no data connection is started, then switch back to fax mode. DOS Commands Function Command Description CONVFAX convfax[-fsvpmqnxywhltdioCHFVP]infile [outfile] Convert Fax -f Fine resolution Fmat) -s Standard resolution CMAND -v Invert image -p Full fax size page for output -m Allow multiple pages on input -q Quiet, do not show status information -n Use color numbers for dithering -xn[/d] Set x scale factor to n/d (n,d=1-5) -yn[/d] Set y scale factor to n/d (n,d=1-5) -wn Set width to n (n= 210 pixels per inch) -hn Set height to n (n=98 pixels (standard page) or 196 pixels (fine page) per inch) -ln Set left margin to n (n=210 pixels per inch) -tn Set top margin to n (n=98 pixels (standard page) or 196 pixels (fine page) per inch) -dn Set dither level (n=0-2) -itype Set input file type (overrides file extension) (types: f=Fax, p=PCX, e=Epson Capture, t=Text) -otype Set output file type (overrides file extension) (types: f=Fax, p=PCX, e=Epson Capture, t=Text) -Cfile Character font file for text conversion (fonts: pica.fnt, elite.fnt, compress.fnt) -Hfile Header file -Ffile Footer file -V -P Convert, view or print, and delete fax file COPYFAX copyfax [-fq] faxfile faxfile COMMAND or copyfax [-fq] faxfile... directory -f Force overwrite of existing files -q Quiet, do not list files copied DELFAX delfax [-fqi] faxfile (Delete Fax -f Force delection of read-only files File) -q Quiet, do not list files deleted COMMAND -i Interactively confirm each file for delection Function Command Description MEFAX mefax [-abhkpruUw] -a{+|-|!|*} Enable/disable/stop/no pending background activity -a+ - Enable background sending/receiving -a- - Disable background sending/receiving and stop current activity -a! - Kill current send/receive activity but allow other activity to continue -a* - Stop all future activity but allow current activity to continue -b Loads only the Background Manager -bu Unload Background Manager from memory only if there is no current activity -bU Unload Background Manager from memory even if there is current activity -bw Wait for all pending faxes to be sent before unloading Background Manager -h Displays this help message -k+ Enable MEFAX hot-key -k- Disable MEFAX hot-key -p+ Enable print capture on the port specified in the Pop-Up Configuration -p- Disable print capture -r Load MEFAX User Interface as a Pop-Up resident TSR -ru Unload MEFAX User Interface from memory MOVEFAX movefax [-fq] faxfile faxfile COMMAND or movefax [-fq] faxfile... directory -f Force overwrite of existing files -q Quiet, do not list files moved PRINTFAX printfax [-vmeprxyOP] faxfile COMMAND -v Invert image -m Print multiple pages -e No eject after each page -pn Set printer number to n (1,2,3, etc) -rn Set printer resolution to n dots per inch (e.g., 300 dots per inch) -xn[/d] Set x scale factor to n/d (n/d range is from 10 times to 1/10th the size) -yn[/d] Set y scale factor to n/d (n/d range is from 10 times to 1/10th the size) -Ofile Output printer port of file -Pfile Printer driver table file -D Delete fax files after printing RENFAX renfax [-fq] faxfile faxfile (Rename or Fax) renfax [-fq] faxfile... directory COMMAND -f Force overwrite of existing files -q Quiet, do not list files renamed Function Command Description SENDFAX sendfax [-bfshdtrqicHFC] [-132] phonenumber COMMAND files... -brange Set baud rate range for sending fax (range: lowbaudrate - highbaudrate) -f Fine vertical resolution -s Standard vertical resolution -hheight Height of fax (height: l=letter, g=legal) -ddate Set date for fax to be sent -ttime Set time for fax to be sent -rn,m Set number of retries to phone number on a busy or fax errors to n Set number of minutes between retries to m -q Quiet, do not show status information -itype Set file type for next input file in list (types: f=Multiple Page Fax, s=Single Fax Page, p=PCX, e=Epson Capture, t=Text) -w Wait for fax to be sent before exiting. -Hfile Header file for faxes to be sent -Ffile Footer file for faxes to be sent -C Send cover letter with fax -132 Use 132 column font 0-9 Digits to be dialed * Star on keypad # Pound sign on keypad Pp Pulse dial the following digits, * and # Tt Tone dial the following digits, * and # Ww Wait for dial tone , Two second pause @ Wait for five seconds of silence ! Causes fax modem to Flash On-Hook -,(,) Used for presentation only VIEWFAX viewfax [-vechD] [-k kilobytes] faxfile... COMMAND -v VGA display -e EGA display -c CGA display -h HGA display -k kbytes Memory in kilobytes to allocate for fax buffe -D Delete fax files after viewing S-Registers Register Unit Range Description S0 1 ring 0-155 Sets number of rings until the modem answers. S1 1 ring 0-255 Counts rings that have occurred. S2 ASCII 0-127 Sets Escape Code character (default is plus + sign). S3 ASCII 0-127 Sets character recognized as RETURN (DEFAULT is CTRL-M) S4 ASCII 0-127 Sets character recognized as LINE FEED (DEFAULT is CTRL-J). S5 ASCII 0-32& Sets character recognized as 127 BACKSPACE (DEFAULT is CTRL- H). S6 1 second 2-255 Determines wait time for dial tone. 4-255** S7 1 second 1-255 Determines how long modem will 1-45* wait for carrier before aborting call. S8 1 second 0-255 Sets pause time caused by a comma 4-255** character in a dial command. S9 100msec 1-255 Sets carrier detect response time. S10 100msec 1-255 Sets delay time between when carrier is lost and when modem disconnects. S11 1msec 1-255 Sets time duration and spacing 80-255** between tones in tone-dailing. Minimum value allowed by most telephone systems is 50msec. S13 ASCII 0-127 Determines remote configuration escape character. S15 1 second 0-255 Defines time delay between Callback attempts after initial exchange of passwords. S16 1 Retry 0-255 Defines number of callback retry attempts after initial exchange of passwords. S17 10msec 0-2.5 Determines length of break time to PC. S24 50msec 0-255 Sets DSR/CTS/CD dropout time. S25 100msec 0-255 Sets DTR drop time. S26 1 0-255 Specifies allowed failed or callback password failed attempts. S30 min 0-255 Inactivity timer used to disconnect modem. S31 bit map %E0- Sets the escape sequence method: %E5 %E0 - Modem will not initiate an escape sequence. %E1 - Enables +++AT Method %E2 - Enables Break Method %E3 -Enalbes either +++ or Break Method %E4 - No OK response to +++. %E5 - OK response to +++. S32 1 second 0-255 Sets duration in which modem will wait for a to be entered during escape sequence execution. S34 ASCII 0-60 Sets maximum number of command characters allowed during escape sequence. * Values for International and DOC units only. ** International only. DIP Switches - Asynchronous Operation Switch Position Description 1 UP DTR dependent on interface. DOWN DTR forced on at all times. 2 UP Hardware flow control. DOWN Xon/Xoff flow control. 3 UP -10db Transmission (Leased Line) DOWN 0db Transmission (Leased Line) 3 UP Disable Command Mode Response (Q2) (Asynchronous Mode/Dial-Up) DOWN Enable Command Mode Response (Q0) (Asynchronous mode/Dial-Up) 4 UP UUCP Spoofing Disabled. DOWN UUCP Spoofing Enabled. 5 UP Enable Auto Answer. DOWN Disable Auto Answer. 6 UP Maximum throughput On. DOWN Maximum throughput Off. 7 UP RTS dependent on interface. DOWN RTS forced On at all times. 8 UP Disable command mode. DOWN Enable command mode. 9 UP Local digital loopback DOWN Remote digital loopback 10 UP Dial-Up Operation DOWN Leased Line Operation 11 UP AT Responses DOWN Multi-Tech Responses 12 UP Synchronous Operation DOWN Asynchronous Operation DIP Switches - Synchronous Operation Switch Position Description 1 UP DTR dependent on interface. DOWN DTR forced on at all times. 2 UP SDLC Mode DOWN BSC Mode 3 UP Disable Command Responses DOWN Enable Command Responses 4 UP AS/400 Mode Off DOWN AS/400 Mode On 5 UP Originate Mode DOWN Answer Mode 6 UP Slave Clocking Off DOWN Slave Clocking On 7 UP RTS dependent on interface. DOWN RTS forced On at all times. 8 UP Disable command mode. DOWN Enable command mode. 9 UP Local digital loopback DOWN Remote digital loopback 10 UP Dial-Up Operation DOWN Leased Line Operation 11 UP External Clock DOWN Internal Clock 12 UP Synchronous Operation DOWN Asynchronous Operation Switches #13-16 Option Settings 14,400 bps operation 13 14 15 15 16* UP UP UP DN N/A 9600 bps operation 13 14 4800 bps operation 13 14 CD/DSR CD/DSR FORCED NORMAL 2400 bps operation 13 14 * On 2-wire lease line models, DIP Switch #16 is in UP position. On 4-wire lease line models, DIP Switch #16 is in DOWN position Result Codes Digit Words Effect 0 OK Command was executed without error; ready for next command. 1 CONNECT Modem has detected carrier and gone on-line. 2 RING Modem has detected ring caused by incoming call. 3 NO CARRIER No carrier signal has been detected within allowed time. 4 ERROR Error in command line (too many or invalid characters). 5 CONNECT 1200 Modem has detected carrier at 1200 bps and gone on-line. 6 NO DIAL TONE Dial tone not detected. 7 BUSY Busy signal has been detected 8 NO ANSWER Remote system did not answer 9 CONNECT 2400 Modem detected carrier at 2400 bps and gone on-line 11 CONNECT 4800 Modem detected carrier at 4800 bps and gone on-line 12 CONNECT 9600 Modem detected carrier at 9600 bps and gone on-line 13 CONNECT 14400 Modem detected carrier at 14400 bps and gone on-line 23 CONNECT 1275 Modem detected carrier at 1275 bps and gone on-line Note: If the modem is used in reliable mode, the following responses change: 1R CONNECT (as above, except reliable) RELIABLE 5R CONNECT 1200 (as above, except reliable) RELIABLE 9R CONNECT 2400 (as above, except reliable) RELIABLE 11R CONNECT 4800 (as above, except reliable) RELIABLE 12R CONNECT 9600 (as above, except reliable) RELIABLE 13R CONNECT 14400 (as above, except reliable) RELIABLE If modem is used in LAP-M reliable mode the following responses change: 1L CONNECT (as above, except reliable) LAPM 5L CONNECT 1200 (as above, except reliable) LAPM 9L CONNECT 2400 (as above, except reliable) LAPM 11L CONNECT 4800 (as above, except reliable) LAPM 12L CONNECT 9600 (as above, except reliable) LAPM 13L CONNECT 14400 (as above, except reliable) LAPM Note: If modem is used with data compression the word COMPRESSED or letter C will be added to result codes 1,5,9,11,12 and 13. Note: If Standard AT Command Set 2400 responses are selected with &Q command, the following responses change: 9 (Not used) 10 CONNECT 2400 Modem has detected carrier at 2400 bps and gone on-line. RS232C/V.24/V.28 Interface Specification Pin Multi-Tech EIA Signal Circuit Assignment Designation Circuit Source Function 1 PG --- --- Protective Ground 2 SD BA DTE Transmitted Data 3 RD BB DCE Received Data 4 RTS CA DTE Request to Send 5 CTS CB DCE Clear to Send 6 DSR CC DCE Data Set Ready 7 SG AB DCE Siganl Ground 8 CD CF DCE Data Carrier Detect 9 +V +V DCE Test Voltage 12 HS __ __ DCE High Speed 15 TC DB DCE Transmit Clock 17 RC DD DCE Receive Clock 20 DTR CD DTE Data Terminal Ready 22 RI DD DTE Ring Indicator 24 XTC DA DTE External Transmit Clock 25 OOS CN DTE Terminal Busy Recording Modem Information Please fill in the following information on your Multi-Tech modem. This will help Tech Support in answering your questions. (The same information is requested on the Warranty Registration Card.) Modem Model. No: ______________________________ Modem Serial No: _______________________________ Modem Firmware Version #: ______________________ MEFAX Software VS: ___________________________ MultiExpress Software VS: _______________________ The Modem Model No and Serial No are on the bottom of your modem. The Software VS (Version) numbers are printed on the diskette labels. Enter the ATI1 command to display the Modem Firmware Version No. Please note the status of your modem before calling Tech Support. This status can include LED indicators, screen messages, diagnostic test results, problems with a specific application, etc. Use the space below to note modem status: