U.S. ROBOTICS, INC. COURIER V.34 FAX (INTERNAL) Card Type Fax, Modem (asynchronous, synchronous) Chip Set U.S. Robotics Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Bus 8-bit ISA Fax Class Class I & II Data Modulation Protocol Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.25bis, V.32, V.32bis, V.34 Rockwell V.FC U.S. Robotics HST, V.32terbo Fax Modulation Protocol ITU-T V.17, V.21, V.27ter, V.29 Error Correction/Compression HST, MNP5, V.42, V.42bis [Image] CONNECTIONS Function Label Function Label Line out CN1 Line in CN2 USER CONFIGURABLE SETTINGS Setting Label Position DTR normal SW1/A Off DTR forced high SW1/A On Verbose (word) format enabled SW1/B Off Numeric format enabled SW1/B On Result code display enabled SW1/C On Result code display disabled SW1/C Off Local echo enabled SW1/D Off Local echo disabled SW1/D On Auto-answer disabled SW1/E On Auto-answer enabled, off-hook on first ring SW1/E Off CD normal SW1/F Off CD forced high SW1/F On Result code display enabled in both originate SW1/G Off and answer mode Result code display enabled in originate mode SW1/G On only Smart mode SW1/H On Dumb mode SW1/H Off Escape code response: modem goes on-hook, SW1/I Off off-line command mode, returns ‘NO CARRIER’ Escape code response: modem stays on-line, SW1/I On on-line command mode, returns ‘OK’ Reset and load from profiles in NVRAM SW1/J Off Reset and load from factory settings in ROM SW1/J On SERIAL PORT ADDRESS Setting JP1/A JP1/B JP1/C JP1/D COM1 (3F8h) Closed Open Open Open COM2 (2F8h) Open Closed Open Open COM3 (3E8h) Open Open Closed Open COM4 (2E8h) Open Open Open Closed INTERRUPT SELECTION Setting JP2/A JP2/B JP2/C JP2/D JP2/E 2 Closed Open Open Open Open 3 Open Closed Open Open Open 4 Open Open Closed Open Open 5 Open Open Open Closed Open 7 Open Open Open Open Closed Proprietary AT Command Set ABORT Type: Immediate Format: Any key Description: Aborts answering/originating a call; modem hangs up. ACCOUNT ACCESS Type: Immediate Format: AT%S=n Description: Acquire access to security accounts without disabling security. (n= local access password) ANSWER Type: Immediate Format: AT [cmds] A Description: Enables answer mode; the modem goes off-hook. ANSWER SEQUENCE Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the answer sequence the modem will use Command Function B0 ITU-T answer sequence enabled B1 Bell answer sequence enabled, required for all HST Cellular calls. ATTENTION Type: Immediate Format: AT [cmds] Description: Tells the modem that a command follows or use alone to test OK result code BIT-MAPPED REGISTER S54 Format: AT [cmds] S54=n [cmds] Default: 0 Range: 0-255 Unit: Bit-mapped Description: Controls call indicate during V.34 operation and V.8 during V.34 operation. Bit Value Function 5 - 0 000000 Not used 6 0 Call indicate during V.34 operation enabled 1 Call indicate during V.34 operation disabled 7 0 V.8 during V.34 operation enabled 1 V.8 during V.34 operation disabled BIT-MAPPED REGISTER S13 Format AT [cmds] S13=n [cmds] Default: 0 Range: 0-255 Unit: Bit-mapped Description: Controls DTR reset, reverse operations, reset dialing, HST, MNP3, and custom applications. Bit Value Function 0 0 DTR normal 1 Reset on low DTR 1 0 Normal auto answer operation 1 When ring is received, enter originate and listen for answer tone 2 0 Immediate result code display 1 Pause 250msec before displaying result codes 3 0 DTR dialing disabled 1 DTR dialing enabled 4 0 Reset dialing disabled 1 Reset dialing enabled 5 0 Enable HST 1 Disable HST (used for testing V.32terbo in Dual Standard modems) 6 0 MNP 3 enabled 1 MNP 3 disabled 7 0 Custom applications 1 Custom applications BIT-MAPPED REGISTER S14 Format: AT [cmds] S14=n [cmds] Default: 0 Range: 0-255 Description: Controls disconnect, and retrain Bit Value Function 0 0 Normal operation 1 Disconnect on escape code 6 - 1 000000 Not used 7 0 Enable retrain 1 Disable retrain BIT-MAPPED REGISTER S15 Format: AT [cmds] S15=n [cmds] Default: 0 Range: 0-255 Unit: Bit-mapped Description: Controls HST high frequency equalization, online fallback, back channel, non-error-correcting mode buffer, MNP4, BS/DEL switch, MNP compliance, and custom applications. Bit Value Function 0 0 HST high frequency equalization enabled 1 HST high frequency equalization disabled 1 0 Online fallback enabled 1 Online fallback disabled 2 0 450bps back channel enabled 1 450bps back channel disabled 3 0 Non-error-correcting mode transmit buffer set to 1.5KB 1 Non-error-correcting mode transmit buffer set to 128 bytes 4 0 MNP 4 enabled 1 MNP 4 disabled 5 0 Use backspace key for delete disabled 1 Use backspace key for delete enabled 6 0 MNP normal 1 MNP adjusted for non-compliant modems 7 0 Custom applications 1 Custom applications BIT-MAPPED REGISTER S27 Format: AT [cmds] S27=n [cmds] Default: 0 Range: 0-191 Unit: Bit-mapped Description: Controls V.21, V.32 encoding and modulation, V.42 answer tone and handshake, and 9600 result codes. Bit Value Function 0 0 V.21 disabled 1 V.21 enabled 1 0 V.32 non-trellis coding disabled 1 V.32 non-trellis coding enabled 2 0 V.32 modulation enabled 1 V.32 modulation disabled 3 0 2100Hz answer tone enabled 1 2100Hz answer tone disabled; allows V.42 modems to connect quicker. 5, 4 00 V.42 detect, LAPM and MNP enabled 01 V.42 detect and LAPM enabled 10 MNP enabled 11 LAPM enabled 6 0 Not used 7 0 Actual result codes displayed 1 Force 9600 result codes BIT-MAPPED REGISTER S34 Format: AT [cmds] S34=n [cmds] Default: 0 Range: 0-255 Unit: Bit-mapped Description: Controls V.32bis/V.32terbo modulations, LED selection, MI/MIC, and remote access busy message. Bit Value Function 0 0 V.32bis enabled 1 V.32bis disabled 1 0 Enhanced V.32bis enabled 1 Enhanced V.32bis disabled 2 0 V.32terbo fast retrain enabled 1 V.32terbo fast retrain disabled 3 0 V.23 modulation disabled 1 V.23 modulation enabled 4 0 Change MR LED to DSR disabled 1 Change MR LED to DSR enabled 5 0 MI/MIC disabled 1 MI/MIC enabled 6 0 Remote access busy message enabled 1 Remote access busy message disabled 7 0 V.32terbo enabled 1 V.32terbo disabled BIT-MAPPED REGISTER S56 Format: AT [cmds] S56=n [cmds] Default: 0 Range: 0-192 Description: Controls enable/disable V.34 and V.FC. Bit Value Function 5 - 0 000000 Not used 6 0 V.34 enabled 1 V.34 disabled 7 0 V.FC enabled 1 V.FC disabled BREAK LENGTH Type: Register Format: AT [cmds] S21=n [cmds] Default: 10 Range: 0-255 Unit: .01 second Description: Sets the length of error control mode breaks sent from DCE to DTE. BREAK TYPE Type: Configuration Format: AT [cmds] &Yn [cmds] Description: Configures action of break signal Command Function &Y0 Empty buffer only &Y1 Empties buffer and break is sent immediately &Y2 Do not empty buffer and break is sent immediately &Y3 Do not empty buffer and send break along with transmitted data CARRIER DETECT (CD) Type: Configuration Format: AT [cmds] &Cn [cmds] Description: Sets the CD signal Note: Modem controls CD signal by the SW1/F setting, AT&Cn not saved in NVRAM. (External models only) Command Function &C0 CD signal forced high &C1 CD signal normal CLOCK SOURCE - SYNCHRONOUS TRANSMIT Type: Configuration Format: AT [cmds] &Xn [cmds] Description: Selects DTE transmit clock source Command Function &X0 Modem generates clock &X1 DTE generates clock &X2 Modem generates clock from the receive carrier signal COMPRESSION Type: Configuration Format: AT [cmds] &Kn [cmds] Description: Selects data compression Command Function &K0 Data compression disabled &K1 Auto enabled/disable data compression &K2 Data compression enabled &K3 V.42bis data compression only enabled COMPRESSION AND ERROR CORRECTION Type: Register Format AT [cmds] S51=n [cmds] Default: 0 Range: 0-7 Unit: Bit-mapped Description: Selects compression and error correction for specific modulations, and controls handset exclusion delay Bit Value Function 0 0 MNP/V.42 disabled during V.22 operation 1 MNP/V.42 disabled during V.22 operation 1 0 MNP/V.42 disabled during V.22bis operation 1 MNP/V.42 disabled during V.22bis operation 2 0 MNP/V.42 disabled during V.32/V.32bis/V.32terbo operation 1 MNP/V.42 disabled during V.32/V.32bis/V.32terbo operation 7 0 Handset exclusion delay disabled 1 Handset exclusion delay enabled CONNECTION SPEED Type: Configuration Format: AT [cmds] &Nn [cmds] Description: Sets connection speed, variable or fixed. Command Function &N0 Variable &N1 300bps &N2 1200bps &N3 2400bps &N4 4800bps &N5 7200bps &N6 9600bps &N7 12Kbps &N8 14.4Kbps &N9 16.8Kbps (HST, V.32terbo, V.34 and V.FC only) &N10 19.2Kbps (V.32terbo, V.34 and V.FC only) &N11 21.6Kbps (V.32terbo, V.34 and V.FC only) &N12 24Kbps (V.34 and V.FC only) &N13 26.4Kbps (V.34 and V.FC only) &N14 28.8Kbps (V.34 and V.FC only) DATA SET READY (DSR) Type: Configuration Format: AT [cmds] &Sn [cmds] Description: Selects DSR options Command Function &S0 DSR forced high &S1 DSR high only while modem is handshaking or connected &S2 DSR toggled on loss of CD signal with CTS following CD signal &S3 DSR toggled on loss of CD signal without CTS following CD signal &S4 DSR and CD signals are sent to DTE at the same time DATA SET READY (DSR) - PULSED SIGNAL Type: Register Format: AT [cmds] S24=n [cmds] Default: 150 Range: 0-255 Unit: .02 second Description: Sets the length of time between DSR on/off when the modem is set to &S2 or &S3. 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, DTR signal forced high &D1 Modem goes to command mode after DTR toggles &D2 Modem uses DTR as normal DETECT TONE Type: Immediate Format: AT [cmds] %T [cmds] Description: Enables the modem to detect tone frequencies of dialing modems. Used primarily for network applications. To enable, ATH1 then AT%T. To disabled, press any key. DIAL Type: Immediate Format: AT [cmds] D<#> [cmds] Example: ATDT 443-3388,,,1111; 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. Modifier Function P Pulse dialing enabled T Tone dialing enabled , Dialing paused for 2 seconds to a maximum amount of time specified in S8 register ; Modem returned to command state after dialing. Can only be placed at the end of the dial command. " Dials letters that follow, ATDT"GOMICRO ! Flash function initiated W Dialing resumed following dial tone detection @ Wait for quiet answer, then proceeds to execute the rest of the dial string. / 125 msec delay before proceeding with dial string R Answer mode enabled; originate mode disabled following handshake initiation. DIAL - LAST NUMBER Type: Immediate Format: AT [cmds] DL [cmds] Description: Re-dial last number dialed Note: Use ATDL instead of A/ if you need to use commands other than the dial command. DIAL - STORED NUMBER Type: Immediate Format: AT [cmds] DSn [cmds] Description: Dial stored number from memory location n. (n=0-9) DISCONNECT BUFFER DELAY Type: Register Format AT [cmds] S38=n [cmds] Default: 0 Range: 0-255 Unit: 1 second Description: Sets maximum duration allowed during buffered data calls for modem to perform clearing functions after losing carrier-signal or receiving a clear call signal from the remote modem and before initiating hang-up process. A value of 0 allows the modem to hang-up immediately. DTR CHANGE THRESHOLD Type: Register Format AT [cmds] S25=n [cmds] Default: 5 Range: 0-255 Unit: .01 second Description: Sets maximum time a change in the DTR signal will be ignored ECHO Type: Configuration Format: AT [cmds] En [cmds] Description: Controls echo function; display keyboard commands when enabled. Command Function E0 Echo function disabled E1 Echo function enabled ECHO - ON-LINE Type: Configuration Format: AT [cmds] Fn [cmds] Description: Selects whether commands sent while in data mode are echoed Command Function F0 Local echo enabled F1 Local echo disabled EDIT - SECURITY SYSTEMS Type: Immediate Format: AT [cmds] %E=n [cmds] Description: Clears chosen field or password Command Function %E=1 Clear local access password %E=2 Clear auto-pass password %E=3 Clear passwords in accounts 0-9 %E=4 Clear phone numbers in accounts 0-9 %E=5 Disable account, dial-back, and new number fields in accounts 0-9 ERROR CORRECTION MODE (ARQ) Type: Configuration Format: AT [cmds] &Mn [cmds] Description: Selects active error correction protocols Command Function &M0 Normal mode only &M1 On-line synchronous mode without V.25bis &M4 Auto-detect mode &M5 ARQ mode only &M6 V.25bis on-line synchronous mode with a protocol link similar to BISYNC &M7 V.25bis on-line synchronous mode with HDLC protocol link ESCAPE SEQUENCE Type: Immediate Format: +++AT [cmds] Description: Initiates the escape sequence and returns the modem to the on-line command state if it receives three escape characters set in S2 within the time allotted by S12. Note: Do not precede this command with AT. EXTENDED RESULT CODES Type: Configuration Format: AT [cmds] &An [cmds] Description: Selects extended result codes Command Function &A0 Extended result codes disabled &A1 ARQ result codes enabled &A2 V.32, HST, V.34 or V.FC result code enabled &A3 Error control and compression result codes enabled FACTORY DEFAULT PROFILE Type: Configuration Format: AT [cmds] &Fn [cmds] Description: Sets values in active profile to values found in the default profile Command Function &F0 No flow control template &F1 Hardware flow control template &F2 Software flow control template &F3 HST Cellular template FLOW CONTROL CHARACTER - XOFF Type: Register Format: AT [cmds] S23=n [cmds] Default: 19 Range: 0-127 Unit: ASCII Description: Sets the character used to represent XOFF. FLOW CONTROL CHARACTER - XON Type: Register Format: AT [cmds] S22=n [cmds] Default: 17 Range: 0-127 Unit: ASCII Description: Sets the character used to represent XON. FLOW CONTROL PASSTHROUGH Type: Configuration Format: AT [cmds] &In [cmds] Description: Allows modem to act on, then transmit XON/XOFF characters. Command Function &I0 Software flow control disabled &I1 XON/XOFF passthrough enabled &I2 XON/XOFF passthrough disabled &I3 ENQ/ACK enabled in host mode &I4 ENQ/ACK enabled in terminal mode &I5 XON/XOFF passthrough disabled in error correction mode FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] &Hn [cmds] Description: Sets type of flow control used by modem Command Function &H0 Flow control disabled &H1 CTS/RTS flow control enabled &H2 XON/XOFF flow control enabled &H3 CTS/RTS and XON/XOFF flow control enabled FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] &Rn [cmds] Description: Controls receive data hardware flow control and RTS signals Command Function &R0 Delay CTS response after RTS signal (RTS/CTS delay) &R1 Modem ignores RTS &R2 Received data to DTE when RTS is on GUARD TONE Type: Configuration Format: AT [cmds] &Gn [cmds] Description: Commands the modem to transmit a guard tone in V.22/V.22bis mode Note: Used primarily for international data transmission Command Function &G0 Guard tone disabled &G1 550Hz guard tone enabled &G2 1800Hz guard tone enabled HOOK CONTROL Type: Immediate Format: AT [cmds] Hn [cmds] Description: Selects whether the modem is on-hook or off-hook Command Function H0 Modem commanded to go on-hook (hang-up) H1 Modem commanded to go off-hook (pick-up) INACTIVITY TIMER Type: Register Format: AT [cmds] S19=n [cmds] Default: 0 Range: 0-255 Unit: 1 minute Description: Sets the length of time that the modem does not receive information before it disconnects. S19=0 will disable. LEASED-LINE RECONNECT Type: Register Format: AT [cmds] S44=n [cmds] Default: 15 Range: 0-255 Unit: 1 second Description: Sets the time when the modem will reconnect in leased-line mode when it detects a loss of carrier. LINE TYPE Type: Configuration Format: AT [cmds] &Ln [cmds] Description: Selects line type Command Line Type &L0 Switched line (PSTN/Dial-up) &L1 Leased-line &L2 Cellular operation LOCK SERIAL PORT Type: Configuration Format: AT [cmds] &Bn [cmds] Description: Sets operation of serial port speed Command Function &B0 Serial speed follows connect speed &B1 Serial speed locked &B2 Serial speed locked in ARQ mode only MAPPING Type: Register Format: AT [cmds] S55=n [cmds] Default: 0 Range: 0-15 Description: Controls all Map options Bit Value Function 0 0 8S-2D map enabled 1 8S-2D map disabled 1 0 16S-4D map enabled 1 16S-4D map disabled 2 0 32S-2D map enabled 1 32S-2D map disabled 3 0 64S-4D map enabled 1 64S-4D map disabled ON-LINE Type: Immediate Format: AT [cmds] On [cmds] Description: Controls on-line command (data transmission) mode 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 PACKET SIZE - REDUCE Type: Register Format: AT [cmds] S33=n [cmds] Description: Reduces the size of the packets being sent Command Function S33=0 Reduce packet size disabled S33=1 Reduce packet size enabled PASSWORD - ASSIGNMENT Type: Configuration Format: AT [cmds] %L=n [cmds] Description: Assign an account password as the local access password. PASSWORD - AUTO-PASS Type: Configuration Format: AT [cmds] %V=PWn [cmds] Description: Make the password in account n as your auto-pass password PASSWORD - SECURITY Type: Configuration Format: AT [cmds] %Pn=x [cmds] Description: Sets, views or disables password security Command Function %Pn= Disable password security (%Pn=0 or 1) %Pn=x Viewing privileges only (n=0), Viewing and configuration privileges (n=1) for specified password string (x). %Pn? Display password n PULSE DIALING RATIO 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) REMOTE ACCESS - ESCAPE CHARACTER Type: Register Format: AT [cmds] S42=n [cmds] Default: 126 Range: 0-255 Unit: ASCII Description: Controls the remote access escape character, default character (~) Tilde. REMOTE ACCESS - LOG-IN ATTEMPTS Type: Register Format: AT [cmds] S41=n [cmds] Default: 0 Range: 0-255 Unit: 1 attempt Description: Sets the number of remote access log-in attempts. S41=0 disables and doesn’t allow remote access. REMOTE ACCESS - SEQUENCE Type: Register Format: AT [cmds] S43=n [cmds] Default: 200 Range: 0-255 Unit: .02 second Description: Sets the guard time for the remote access sequence, (~~~~). REMOTE CONFIGURATION CONTROL Type: Configuration Format: AT [cmds] %Cn [cmds] Description: Sets how the modem will react to remote configuration changes Command Function C0 Remote configuration changes are deferred, this ensures that connections are made. C1 Remote configuration changes are restored, restore original configuration after remote access. C2 Remote configuration changes are effected immediately, changes are made now. REMOTE CONFIGURATION - DATA FORMAT Type: Configuration Format: AT [cmds] %Fn [cmds] Description: Sets parity Command Function %F0 No Parity, 8 data bits %F1 Mark Parity, 7 data bits %F2 Odd Parity, 7 data bits %F3 Even Parity, 7 data bits REMOTE CONFIGURATION - SERIAL PORT SPEED Type: Configuration Format: AT [cmds] %Bn [cmds] Description: Remotely configures the serial port speed Command Function %B0 Set serial port speed to 110Kbps %B1 Set serial port speed to 300Kbps %B2 Set serial port speed to 600bps %B3 Set serial port speed to 1200bps %B4 Set serial port speed to 2400bps %B5 Set serial port speed to 4800bps %B6 Set serial port speed to 9600bps %B7 Set serial port speed to 19.2Kbps %B8 Set serial port speed to 38.4Kbps %B9 Set serial port speed to 57.6Kbps %B10 Set serial port speed to 115.2Kbps REMOTE CONFIGURATION - V.25bis CLOCK SPEED Type: Configuration Format: AT [cmds] %Nn [cmds] Description: Sets the terminal to modem V.25bis clock speed Command Function %N0 Not used %N1 Not used %N2 Set clock speed to 1200bps %N3 Set clock speed to 2400bps %N4 Set clock speed to 4800bps %N5 Set clock speed to 7200bps %N6 Set clock speed to 9600bps %N7 Set clock speed to 12Kbps %N8 Set clock speed to 14.4Kbps %N9 Set clock speed to 16.8Kbps %N10 Set clock speed to 19.2Kbps REPEAT COMMAND STRING Type: Configuration Format: AT [cmds] > [cmds] Description: Causes modem to repeat command string until a keyboard key is pressed REPEAT DIAL STRING Type: Immediate Format: A> Description: Repeat mode enabled and the dial string last executed will be carried out until a connection is established or 10 attempts made. Note: Do not precede this command with AT, or follow it with . REPEAT PREVIOUS COMMAND Type: Immediate Format: A/ Description: Repeats previous command, mainly used for redial. Note: Do not precede this command with AT, or follow it with . REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested Command Function I0 Reports 4-digit product code I1 Reports ROM checksum I2 Reports RAM checksum I3 Reports call duration (ATK0) or real time (ATK1) I4 Reports current command settings I5 Reports NVRAM settings I6 Reports link diagnostics I7 Reports product configuration I10 Reports dial security account status information RESULT CODES Type: Configuration Format: AT [cmds] Qn [cmds] Description: Enables modem to send result codes to the DTE Command Function Q0 Result code sending enabled Q1 Result code sending disabled Q2 Result code sending enabled while in originate mode RESULT CODE FORMAT Type: Configuration Format: AT [cmds] Vn [cmds] Description: Selects word or numeric format for information-text and result codes Command Function V0 Numeric format enabled V1 Verbose (word) format enabled RTS TO CTS DELAY Type: Register Format AT [cmds] S26=n [cmds] Default: 1 Range: 0-255 Unit: .01 second Description: Sets the duration of delay for CTS to respond to RTS status change in synchronous mode. SECURITY ACCOUNTS Type: Configuration Format: AT %An=(field parameters) Example: AT%A0=DOG,Y,Y,N,1-234-567-8901 Description: Make and configure security accounts, (n=0-9) Parameter options Password Account Dialback Allow new Dialback number enabled enabled enabled number 8-characters Yes Yes Yes 37-characters Case sensitive No No No (0-9) DOG Y Y N 1-234-567-8901 SELECT CALL PROGRESS RESULT CODES Type: Configuration Format: AT [cmds] Xn [cmds] Description: Enables selection of tone detection and associated result code format options Command Function X0 Busy and dial tone detection disabled; result codes 0-4 enabled. X1 Busy and dial tone detection disabled; result codes 0-5, 10, 13-107 enabled X2 Busy tone detection disabled, dial tone detection enabled; result codes 0-6, 10, 13-107 enabled; also adaptive dialing, wait for second dial tone, and fast dialing enabled. X3 Busy tone detection enabled, dial tone detection disabled; result codes 0-5, 7-8, 10, 13-107 enabled; also adaptive dialing, and wait for answer enabled. X4 Busy and dial tone detection enabled; result codes 0-10, 13-107 enabled; also adaptive dialing, wait for second dial tone, wait for answer, and fast dialing enabled. X5 Busy tone detection enabled, dial tone detection disabled; result codes 0-5, 7-107 enabled; also adaptive dialing, wait for second dial tone, and wait for answer enabled. X6 Busy and dial tone detection enabled; result codes 0-107 enabled; also adaptive dialing, wait for second dial tone, wait for answer, and fast dialing enabled. X7 Busy and dial tone detection enabled; result codes 0-11, 13-107 enabled; also adaptive dialing, wait for second dial tone, wait for answer, and fast dialing enabled. Note: Valid numeric result codes; 0-8, 10-13, 18, 20, 21, 25, 47, 85, 91, 99, 103, and 107. SOFT RESET Type: Immediate Format: AT [cmds] Z [cmds] Description: Restores modem profiles previously saved in non-volatile RAM Note: If SW1/J is OFF, then the modem will reset to AT&F0 profile. (External models only) SPEAKER MODE Type: Configuration Format: AT [cmds] Mn [cmds] Description: Selects various speaker options Command Function M0 Speaker disabled M1 Speaker enabled until carrier signal detected M2 Speaker enabled M3 Speaker enabled following dialing, then disabled after carrier signal detected. SPEAKER VOLUME Type: Configuration Format: AT [cmds] Ln [cmds] Description: Controls speaker volume Note: Command works for internal models only, externals will return ‘OK’. Command Function L0 Low volume setting L1 Low volume setting L2 Medium volume setting L3 Highest volume setting STATUS-REGISTER Type: Configuration Format: Read: AT [cmds] Sn? [cmds] Write: AT [cmds] Sn=x [cmds] Description: Writes to or reads from a specified register. Valid values 0-255 Command Function Sn.b=x Write to register bit b using values 0 (off) and 1 (on) for x STORE ACTIVE PROFILE Type: Configuration Format: AT [cmds] &Wn [cmds] Description: Writes the values for the active profile into the non-volatile RAM templates Command Function &W0 Write the active profile to stored template 0 &W1 Write the active profile to stored template 1 STORE COMMAND STRING Type: Configuration Format: AT [cmds] &ZCn=(command string) Description: Writes selected command string into the non-volatile memory at location n (n=0-9) Command Function &ZC=n Writes command string into the non-volatile memory at location n &ZC? Displays stored command string STORE DIAL STRING Type: Configuration Format: AT [cmds] &Zn=(phone # & modifiers) Description: Writes selected dial string into the non-volatile memory at location n (n=0-9) Note: The characters described in the D command are valid for use in the &Z command. Command Function &Zn? Displays phone number from non-volatile memory at location n TEST MODES Type: Configuration Format: AT [cmds] &Tn [cmds] Description: Controls loopback tests: analog, digital, remote digital, and self tests. Command Function &T0 Testing disabled &T1 Local analog loopback enabled &T3 Local digital loopback enabled &T4 Remote digital loopback enabled &T5 Remote digital loopback prohibited &T6 Remote digital loopback initiated &T7 Remote digital loopback w/ self-test and error detector in progress &T8 Local analog loopback w/ self-test and error detector in progress TEST MODES Type: Register Format: AT [cmds] S16=n [cmds] Default: 0 Range: 0-15 Description: Controls tests, analog loopback, dial, test pattern and remote digital loopback. Bit Value Function 0 0 Local analog loopback disabled 1 Local analog loopback enabled 1 0 Dial test disabled 1 Dial test enabled 2 0 Test pattern disabled 1 Test pattern enabled 3 0 Remote digital loopback disabled 1 Remote digital loopback enabled TEST TIMER Type: Register Format AT [cmds] S18=n [cmds] Default: 0 Range: 0-255 Unit: 1 second Description: Sets the maximum duration for modem tests Note: S18=0 disables the timer and allows an indefinite duration. TIME DISPLAY Type: Immediate Format: AT [cmds] Kn [cmds] Description: Displays the current call time or clock time Command Function K0 Display length of last call, if off-line; duration of call while on-line. K1 Display actual time (HH:MM:SS) TRANSMITTER Type: Configuration Format: AT [cmds] Cn [cmds] Description: Controls the transmitter. Command Function C0 Disable transmitter, receive-only operation. C1 Enable transmitter VOICE/DATA SWITCH Type: Register Format: AT [cmds] S32=n [cmds] Description: Controls voice/data switch functions Command Function S32=0 All functions disabled S32=1 Voice/data, originate S32=2 Voice/data, answer S32=3 Redial last number S32=4 Dial number from stored position 0 S32=5 Auto-answer on/off toggle S32=6 Reset modem S32=7 Remote digital loopback initiated S32=8 Busy out phone line toggle S32=9 Execute command string from &ZC. If there is no command string, the modem acts on S32=1. V.21 - HANDSHAKE TIME Type: Register Format: AT [cmds] S29=n [cmds] Default: 20 Range: 0-255 Unit: .1 second Description: Sets length of V.21 handshake V.32 - HANDSHAKE TIME Type: Register Format: AT [cmds] S28=n [cmds] Default: 8 Range: 0-255 Unit: .1 second Description: Sets length of V.32 handshake V.25bis Command Set CONNECT INCOMING CALLS Type: Immediate Format: CIC Description: Instructs the modem to answer an incoming call; if no call is currently incoming, a result of INV will be returned. CALL REQUESTED NUMBER Type: Immediate Format: CRN<#> Description: Dials the number given; it will ignore spaces and hyphens in the string. CALL REQUEST WITH ADDRESS Type: Immediate Format: CRSn Description: Dials the number stored in NVRAM location n DISREGARD INCOMING CALL Type: Immediate Format: DIC Description: Instructs the modem to ignore the incoming call, if the modem is set to automatically answer; if no call is currently incoming, a result of INV will be returned. PROGRAM NUMBER Type: Configuration Format: PRNn Description: Stores a phone number in memory address n. REQUEST LIST OF FORBIDDEN NUMBERS Type: Immediate Format: RFN Description: Requests the list of forbidden numbers from the modem; the modem is unable to dial numbers on this list until its power has been cycled; if this feature is not enabled, the modem will return INV. REQUEST LISTED NUMBERS Type: Immediate Format: RLN Description: Requests the modem to return the list of stored numbers in NVRAM; if no numbers are stored, the modem will return LSN. V.25bis Result codes CALL FAILURE INDICATOR Type: Response Format: CFIxx Description: Indicates that the attempt to connect failed Response Name Description CFAB Abort The call was aborted because either no dialtone was detected or a character was received from the host computer. CFCB DCE Busy An incoming call was detected after the dialing command was issued CFET Engaged Tone A busy signal was detected CFFC Forbidden The number given is on the Call forbidden list CFNS Not Stored The memory address given did not contain a valid telephone number CFNT No Tone The remote party did not issue a response tone CFRT Ring Tone A responding tone was detected, but the call timed out before it was completed. CONNECTION Type: Response Format: CNX Description: A connection has been successfully established LIST OF NUMBERS Type: Response Format: LS Description: This code is given in response to a number just dialed LIST OF STORED NUMBERS Type: Response Format: LSN Description: This code is given in response to a RLN command LIST OF STORED FORBIDDEN NUMBERS Type: Response Format: LSF Description: This code is given in response to a RFN command; it indicates that the number is on the forbidden list and cannot be dialed. INCOMING CALL Type: Response Format: INC Description: An incoming call has been detected INVALID Type: Response Format: INV Description: The modem was issued an improper command, optional parameters maybe displayed. Response Description INVMS Message syntax error INVCU Unknown command INVPS Parameter syntax error INVPV Parameter value error VALID Type: Response Format: VAL Description: The command issued is valid and is being executed