ELSA, INC. MICROLINK 33.6TQV Card Type Modem (asynchronous) Chipset Unidentified I/O Options Voice Maximum Data Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103A, 212A ITU-T V.21, V.22, V.23, V.32, V.32bis, V.34 Rockwell V.FC Fax Modulation ITU-T V.17, V.27ter, V.29, V.33 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I & II Data Bus Serial [Image] CONNECTIONS Function Label Function Label Telephone line in CN1 DC power in CN4 Telephone line out CN2 Power switch SW1 Serial port CN3 DIAGNOSTIC LED(S) LED Color Status Condition POWER Red On Power is on POWER Red Off Power is off TXD Red On Modem is transmitting data TXD Red Off Modem is not transmitting data RXD Red On Modem is receiving data RXD Red Off Modem is not receiving data DTR Red On DTR signal is high DTR Red Off DTR signal is low DSR Red On DSR signal is high DSR Red Off DSR signal is low RTS Red On RTS signal is high RTS Red Off RTS signal is low DIAGNOSTIC LED(S) (CON'T) LED Color Status Condition CTS Red On CTS signal is high CTS Red Off CTS signal is low DCD Red On Carrier signal detected DCD Red Off Carrier signal not detected OH Red On Modem is off-hook OH Red Off Modem is on-hook SUPPORTED STANDARD COMMANDS Basic AT Commands +++, ‘comma’, A/ A, B, E, H, L, M, O, P, T, V, X, Z &D, &F, &S, &T, &V, &W, &Y, &Z Extended AT Commands \C, \J, \K, \N, \Q, \T, \X %A, %C, %E Special AT Commands -J S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S21, S22, S25, S26, S30, S38 Note: See MHI help file for complete information. Proprietary AT Command Set AUTO-RELIABLE FALLBACK CHARACTER Type: Register Format: AT [cmds] S47=n [cmds] Default: 13 Range: 0-127 Unit: 1 ASCII character Description: Sets the character used as the auto-reliable fallback character; S47=0 will disable this function. BIT-MAPPED REGISTER S14 Format: AT [cmds] S14=n [cmds] Default: 81 Range: 0 - 254 Description: Controls echo, result codes and display, dial mode, and answer/originate mode. Bit Value Function 0 0 Not used. 1 0 Command echo disabled. 1 Command echo enabled. 2 0 Result codes enabled. 1 Result codes disabled. 3 0 Display result codes in numeric format. 1 Display result codes in verbose format. 4 0 Command set enabled. 1 Command set disabled. (See -H command for more information.) 5 0 Tone dial enabled. 1 Pulse dial enabled. 6 0 Polling not allowed during connection establishment. 1 Polling allowed during connection establishment. 7 0 Answer mode enabled. 1 Originate mode enabled. BIT-MAPPED REGISTER S27 Format: AT [cmds] S27=n [cmds] Default: 0 Range: 0 - 192 Description: Controls modulation protocol and duplexing. Bit Value Function 5 - 0 000000 Not used. 6 0 ITU/T mode. 1 Bell mode. 7 0 Full-duplex mode. 1 Half-duplex mode. BIT-MAPPED REGISTER S28 Format: AT [cmds] S28=n [cmds] Default: 6 Range: 0 - 239 Description: Controls low DTR control, automatic retrain, bit rate tolerance, V.100 fallback, and data format. Bit Value Function 1, 0 00 Modem set for 8 data bits in direct mode. 01 Modem set for 9 data bits in direct mode. 10 Modem set for 10 data bits in direct mode. 11 Modem set for 11 data bits in direct mode. 3, 2 00 Non-V.100 fallback enabled. 01 V.100 fallback enabled. 10 Fallback disabled. 11 V.100 fallback enabled. 4 0 Not used. 5 0 Bit rate tolerance set to between -2.5% and +1%. 1 Bit rate tolerance set to between -2.5% and +2.3%. 6 0 Automatic retrain enabled. 1 Automatic retrain disabled. 7 0 Modem will not accept calls and generate RING response when DTR is low. 1 Modem will accept calls and generate RING response when DTR is low. BIT-MAPPED REGISTER S29 Format: AT [cmds] S29=n [cmds] Default: 66 Range: 0 - 247 Description: Controls V.FC ID for V.8, trellis coding, V.32 clear down sequence, V.34 and V.FC rate re-negotiation, V.8 adaptation, asymmetric bit rates, and fallback to V.23. Bit Value Function 0 0 Fallback to V.23 enabled. 1 Fallback to V.23 disabled. 1 0 Asymmetric bit rates disabled. 1 Asymmetric bit rates enabled. 2 0 V.8 adaptation enabled. 1 V.8 adaptation disabled. 3 0 Not used. 4 0 V.34 and V.FC rate re-negotiation enabled. 1 V.34 and V.FC rate re-negotiation disabled. 5 0 V.32 clear down sequence disabled. 1 V.32 clear down sequence enabled. 6 0 Trellis coding in V.32 disabled. 1 Trellis coding in V.32 enabled. 7 0 V.8 answer tone includes V.FC identification. 1 V.8 answer tone does not include V.FC identification. BIT-MAPPED REGISTER S31 Format: AT [cmds] S31=n [cmds] Default: 0 Range: 0 - 63 Description: Controls guard tone, calling tone, manual dialing DTR connection, and DTR dialing. Bit Value Function 1, 0 00 Guard tone disabled. 01 550Hz guard tone enabled. 10 1800Hz guard tone enabled. 2 0 Calling tone enabled. 1 Calling tone disabled. 3 0 V.25 calling tone enabled. 1 V.8 calling tone enabled. 4 0 Modem will not attempt to connect on high DTR. 1 Modem will attempt to connect on high DTR. 5 0 DTR dialing disabled. 1 DTR dialing enabled. BIT-MAPPED REGISTER S33 Format: AT [cmds] S33=n [cmds] Default: 0 Range: 0 - 14 Description: Controls callback mode, callback trace, and remote configuration. Bit Value Function 0, 1 00 Callback disabled. 01 Callback enabled; RING and CONNECT are displayed before login prompts. 10 Callback enabled; RING and CONNECT are displayed after login prompts. 2 0 Callback trace disabled. 1 Callback trace enabled. 3 0 Remote configuration disabled. 1 Remote configuration enabled. BIT-MAPPED REGISTER S36 Format: AT [cmds] S36=n [cmds] Default: 131 Range: 0 - 134 Description: Controls connect mode and Selective Reject. Bit Value Function 2 - 0 000 Normal mode enabled. 001 Direct mode enabled. 010 MNP reliable mode enabled. 011 Auto-reliable mode enabled. 100 V.42 reliable mode enabled. 101 V.42 auto-reliable mode enabled. 110 V.42 or MNP reliable mode enabled. 6 - 3 0000 Not used. 7 0 Selective Reject enabled. 1 Selective Reject disabled. BIT-MAPPED REGISTER S37 Format: AT [cmds] S37=n [cmds] Default: 19 Range: 0 - 211 Description: Controls line, modem, and serial port speed options. Bit Value Function 4 - 0 00001 Set line speed to 75/1200bps. 00010 Set line speed to 1200/75bps. 00011 Set line speed to 300bps. 00101 Set line speed to 1200bps. 00110 Set line speed to 2400bps. 00111 Set line speed to 4800bps. 01000 Set line speed to 7200bps. 01001 Set line speed to 9600bps. 01010 Set line speed to 12Kbps. 01011 Set line speed to 14.4Kbps. 01100 Set line speed to 16.8Kbps. 01101 Set line speed to 19.2Kbps. 01110 Set line speed to 21.6Kbps. 01111 Set line speed to 24Kbps. 10000 Set line speed to 26.4Kbps. 10001 Set line speed to 28.8Kbps. 10010 Set line speed to 31.2Kbps. 10011 Set line speed to 33.6Kbps. 5 0 Not used. 6 0 Modem port speed changed automatically. 1 User must change modem port speed with %B command. 7 0 Serial port speed follows connect speed. 1 Serial port speed locked. BIT-MAPPED REGISTER S48 Format: AT [cmds] S48=n [cmds] Default: 164 Range: 0 - 180 Description: Controls V.42 detection phase, auto-reliable time buffer, and break type. Bit Value Function 1 - 0 00 Not used. 2 0 V.42 detection phase disabled. 1 V.42 detection phase enabled. 4, 3 00 Data is discarded during auto-reliable time. 01 Data is buffered for 4 seconds or 200 10 characters during auto-reliable time. Data is discarded during auto-reliable time; modem returns to normal mode on receiving auto-reliable fallback character. 7 - 5 000 \K0 is selected. 001 \K1 is selected. 010 \K2 is selected. 011 \K3 is selected. 100 \K4 is selected. 101 \K5 is selected. BIT-MAPPED REGISTER S87 Format: AT [cmds] S87? [cmds] Default: Read-only Range: 0 - 211 Description: Returns a value indicating current transmit line speed, fax mode connection, and modulation protocol type. Bit Value Meaning 4 - 0 00001 Transmit line speed is 75/1200bps. 00010 Transmit line speed is 1200/75bps. 00011 Transmit line speed is 300bps. 00101 Transmit line speed is 1200bps. 00110 Transmit line speed is 2400bps. 00111 Transmit line speed is 4800bps. 01000 Transmit line speed is 7200bps. 01001 Transmit line speed is 9600bps. 01010 Transmit line speed is 12Kbps. 01011 Transmit line speed is 14.4Kbps. 01100 Transmit line speed is 16.8Kbps. 01101 Transmit line speed is 19.2Kbps. 01110 Transmit line speed is 21.6Kbps. 01111 Transmit line speed is 24Kbps. 10000 Transmit line speed is 26.4Kbps. 10001 Transmit line speed is 28.8Kbps. 10010 Transmit line speed is 31.2Kbps. 10011 Transmit line speed is 33.6Kbps. BIT-MAPPED REGISTER S87 (CON'T) Bit Value Meaning 5 0 Not used. 6 0 Modem is not connected in fax mode. 1 Modem is connected in fax mode. 7 0 ITU-T protocols selected. 1 Bell protocols selected. BIT-MAPPED REGISTER S88 Format: AT [cmds] S88? [cmds] Default: Read-only Range: Description: Returns a value indicating Bit Value Meaning 0 0 Modem is not connected with MNP1 through MNP4. 1 Modem is connected with MNP1 through MNP4. 1 0 Modem is not connected with MNP5. 1 Modem is connected with MNP5. 2 0 Modem is not connected with V.42. 1 Modem is connected with V.42. 3 0 Modem is not connected with V.42bis. 1 Modem is connected with V.42bis. BIT-MAPPED REGISTER S89 Format: AT [cmds] S89? [cmds] Default: Read-only Range: 0 - 211 Description: Returns a value indicating current receive line speed and modulation protocol. Bit Value Meaning 4 - 0 00001 Receive line speed is 75/1200bps. 00010 Receive line speed is 1200/75bps. 00011 Receive line speed is 300bps. 00101 Receive line speed is 1200bps. 00110 Receive line speed is 2400bps. 00111 Receive line speed is 4800bps. 01000 Receive line speed is 7200bps. 01001 Receive line speed is 9600bps. 01010 Receive line speed is 12Kbps. 01011 Receive line speed is 14.4Kbps. 01100 Receive line speed is 16.8Kbps. 01101 Receive line speed is 19.2Kbps. 01110 Receive line speed is 21.6Kbps. 01111 Receive line speed is 24Kbps. 10000 Receive line speed is 26.4Kbps. 10001 Receive line speed is 28.8Kbps. 10010 Receive line speed is 31.2Kbps. 10011 Receive line speed is 33.6Kbps. BIT-MAPPED REGISTER S89 (CON'T) Bit Value Meaning 7 - 5 000 Modulation protocol in use is V.23. 001 Modulation protocol in use is V.21. 010 Modulation protocol in use is V.22bis. 011 Modulation protocol in use is V.32. 100 Modulation protocol in use is V.32bis. 101 Modulation protocol in use is V.FC. 110 Modulation protocol in use is V.34. 111 Modulation protocol in use is V.34 with asymmetric bit rates. BIT-MAPPED REGISTER S95 Format: AT [cmds] S95=n [cmds] Default: 8 Range: 0 - 184 Description: Controls result code options and CONNECT response after invalid escape sequence. Bit Value Function 3 - 0 0000 Extended result codes disabled. 0001 /REL extended result codes enabled. 0010 LAPM and MNP extended result codes enabled. 1000 V.42bis, MNP5, and modulation protocol (if selected with S96) extended result codes enabled. 4 0 Modem uses \V command to select extended result codes. 1 Modem always displays extended result codes. 5 0 Modem will send CONNECT response after invalid escape sequence. 1 Modem will not send CONNECT response after invalid escape sequence. 7, 6 00 Result codes enabled. 01 Result codes disabled. 10 Result codes disabled in answer mode. BIT-MAPPED REGISTER S96 Format: AT [cmds] S96=n [cmds] Default: 8 Range: 0 - 110 Description: Controls register display, end-of-page prompting, modem language, bit rate display, and \V8 result code format. Bit Value Function 1, 0 00 Modem will display register values in decimal. 01 Modem will display register values in 10 hexadecimal. Modem will display register values in binary. 2 0 Modem will prompt user to press a key after a full page of text. 1 Modem will not prompt user to press a key after a full page of text. 3 0 Modem text displayed in German. 1 Modem text displayed in English. 4 0 Not used. 5 0 Modem will display transmit bit rate. 1 Modem will display both transmit and receive bit rate. 6 0 Modem will display only error correction and compression result codes with \V8. 1 Modem will display error correction, compression, and modulation result codes with \V8. BIT-MAPPED REGISTER S130 Format: AT [cmds] S130=n [cmds] Default: 4 Range: 0 - 220 Description: Controls T.4 bit order, fax mode, fill bit removal, fax mode flow control, and V.17 modulation. Bit Value Function 1, 0 00 Not used. 2 0 T.4 bit order for Class 2 fax receive reversed. 1 T.4 bit order for Class 2 fax receive normal. 3 0 Modem is in normal fax mode. 1 Modem is in Elsa TransFax mode. 4 0 Fill bits are removed from T.4 data. 1 Fill bits are not removed from T.4 data. 5 0 Not used. 6 0 Unidirectional CTS and XON/XOFF flow control enabled. 1 Flow control set by \Q command. 7 0 V.17 fax modulation enabled. 1 V.17 fax modulation disabled. CALL FAILURE INDICATION Type: Register (read-only) Format: AT [cmds] S86? [cmds] Description: Returns a value indicating the cause of the last disconnect. Value Meaning 0 Normal disconnection, no error occurred. 4 Loss of carrier occurred. 5 Negotiation phase failed; modem at remote station has no error correction. 6 Remote modem is not answering protocol requests. 7 Remote modem is only functioning synchronously. 8 Modems could not find a common framing scheme. 9 Modems could not find a common protocol. 10 Remote modem is sending incorrect protocol requests. 11 Synchronous information is missing; connection terminated after 30 seconds. 12 Normal disconnect initiated by the remote modem. 13 Remote modem is no longer answering; connection terminated after 10 re-transmissions. 14 Protocol violation occurred. 15 Compression error occurred. 16 Inactivity timer has elapsed. 17 No loop current detected. 20 Busy tone detected. 21 No dial tone detected. 22 No answer tone detected. 23 No connection reached, connection timed out, or wrong modulation type. 24 Fallback not permitted because of AT%L2; connection terminated. 25 No modem or fax is answering at the number called. 30 ATH was entered online. 31 ATZ was entered online. 32 AT&T0 was entered - modem is in analog loopback test. 33 Keystroke received during handshaking. 34 DTR signal dropped. 60 V.32/V32bis handshake signal AA, CC, AC or CA missing. 61 V.32/V.32bis handshake signal R1, R2 or R3 missing. 62 V.32/V.32bis handshake signal S missing. 63 V.32/V.32bis handshake signal transition from S to \S missing. 64 V.32/V.32bis handshake signal E missing. 68 No answer to automatic retrain. CALLBACK Type: Configuration Format: AT [cmds] $Bn [cmds] Description: Selects what type of callback procedure is used. Command Function $B0 Callback disabled. $B1 Callback enabled; RING and CONNECT result codes are displayed before login prompts. $B2 Callback enabled; RING and CONNECT result codes are displayed after login prompts. CALLBACK DELAY Type: Register Format: AT [cmds] S43=n [cmds] Default: 1 Range: 0 - 2 Unit: 1 minute Description: Sets the amount of time that must elapse before the modem will attempt a callback sequence. CALLBACK - MAXIMUM CALLBACK ATTEMPTS Type: Register Format: AT [cmds] S35=n [cmds] Default: 3 Range: 1 - 99 Unit: 1 callback Description: Sets the maximum number of callback attempts the modem will perform. CALLBACK TRACE Type: Configuration Format: AT [cmds] $Tn [cmds] Description: Selects whether the progress of callback procedures will be displayed as a diagnostic tool. Command Function $T0 Callback trace disabled. $T1 Callback trace enabled. COMMAND SET Type: Configuration Format: AT [cmds] -Hn [cmds] Description: Selects whether the modem will generate result codes and accept commands. When the command set is disabled, the modem will still accept the -H and D commands, and will act as if S0=1. Command Function -H0 Command set enabled. -H1 Command set disabled. COMPRESSION Type: Register Format: AT [cmds] S46=n [cmds] Description: Selects data compression. Command Function S46=0 Data compression disabled. S46=1 MNP5 enabled. S46=2 V.42bis enabled. S46=3 MNP5 and V.42bis enabled. CTS, DCD, AND DSR SIGNALS Format: AT [cmds] S52=n [cmds] Default: 4 Range: 0 - 11 Description: Controls the behaviour of the CTS, DCD, and DSR signals. Bit Value Function 0 0 DSR forced high. 1 DSR normal. 1 0 CTS forced high. 1 CTS normal. 3, 2 00 DCD forced high. 01 DCD forced high after carrier signal is detected. 10 DCD forced high except at disconnect. DATA FORMAT Type: Register Format: AT [cmds] S53=n [cmds] Description: Controls the data length, parity, and stop bit for the local serial port. Command Function S53=0 Data format set to 8N1, 7E1, 7O1, or 7N2. S53=1 Data format set to 8E1 S53=2 Data format set to 8O1 S53=3 Data format set to 8N2 DCD SIGNAL Type: Configuration Format: AT [cmds] &Cn [cmds] Description: Controls the behaviour of the DCD signal. Command Function &C0 DCD forced high. &C1 DCD forced high after carrier signal is detected. &C2 DCD forced high except at disconnect. DIAL Type: Immediate Format: AT [cmds] D<#> [cmds] Description: Dials the telephone number indicated according to any modifiers included in the string. Command Function DL Re-dial last number. DM Make a LAPM reliable mode connection this call. DP Pulse dialing enabled. DQ Make an LAPM auto-reliable mode connection this call. DSn Dial stored telephone number n. DT Tone dialing enabled. DV Make an LAPM or MNP reliable mode connection this call. DW Dialing resumed following dial tone detection. DX Make an auto-reliable mode connection this call. DY Make an MNP reliable mode connection this call. DZ Make a normal mode connection this call. D, Dialing paused for amount of time specified in S8 register. D< Dialing paused for 1 second. D/n Dial stored telephone number n. 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& Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. D= Dialing paused for 3 seconds. D[ Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. D; Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. D: Dialing resumed following dial tone detection. DISCONNECT BUFFER DELAY Type: Configuration Format AT [cmds] %Dn [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. DISPLAY CONFIGURATION Type: Immediate Format: AT [cmds] \Sn [cmds] Description: Displays the settings of all commands. Command Function \S0 Displays all command settings. \S1 Displays all command settings. \S2 Displays line and host interface, protocol, and result code/speaker command settings. \S3 Displays host interface, protocol, and result code/speaker command settings. \S4 Displays host interface and result code/speaker command settings. \S5 Displays result code/speaker command settings. DISPLAY FIRMWARE VERSION Type: Immediate Format: AT [cmds] %V [cmds] Description: Displays the current firmware version. 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 ROM checksum. I2 Tests and displays ROM checksum result. I3 Displays firmware revision. I4 Displays configuration. I5 Displays serial number. I6 Displays product name. I7 Displays result of power-up self-test. I9 Displays Plug-N-Play information. DISPLAY REGISTERS Type: Immediate Format: AT [cmds] %R [cmds] Description: Displays all status registers. DISPLAY STORED NUMBERS Type: Immediate Format: AT [cmds] \F [cmds] Description: Displays all stored telephone numbers. DSR AND CTS SIGNALS Type: Configuration Format: AT [cmds] \Dn [cmds] Description: Controls the behaviour of the DSR and CTS signals. Command Function \D0 DSR and CTS forced high. \D1 DSR normal, CTS forced high. \D2 DSR forced high, CTS follow CD. \D3 DSR normal, CTS forced high. DTR DIALING Type: Configuration Format: AT [cmds] $Dn [cmds] Description: Selects whether the modem will use DTR dialing. Command Function $D0 DTR dialing disabled. $D1 DTR dialing enabled. EXTENDED RESULT CODE SELECTION Type: Configuration Format: AT [cmds] -Mn [cmds] Description: Selects whether the modem will use the \V command to select extended result codes. Command Function -M0 Modem uses \V command to select extended result codes. -M1 Modem always displays extended result codes. EXTENDED RESULT CODES Type: Configuration Format: AT [cmds] \Vn [cmds] Description: Selects extended result codes. Command Function \V0 Extended result codes disabled. \V1 /REL extended result codes enabled. \V2 LAPM and MNP extended result codes enabled. \V8 V.42bis, MNP5, and modulation protocol (if selected with S96) extended result codes enabled. FLOW CONTROL OPTIONS Format: AT [cmds] S51=n [cmds] Default: 3 Range: 0 - 20 Description: Controls flow control type and XON/XOFF pass-through. Bit Value Function 2 - 0 000 Flow control disabled. 001 Bidirectional XON/XOFF flow control enabled. 010 CTS flow control by DCE enabled. 011 Bidirectional RTS/CTS flow control enabled. 100 Unidirectional XON/XOFF flow control by DCE enabled. 3 0 Not used. 4 0 XON/XOFF signals trapped by local modem. 1 XON/XOFF signals passed through by local modem. GUARD TONE AND CALLING TONE Type: Configuration Format: AT [cmds] &Gn [cmds] Description: Commands the modem to transmit a calling tone, and a guard tone in V.22 or V.22bis modes. Command Function &G0 Guard tone disabled, calling tone enabled. &G1 550Hz guard tone and calling tone enabled. &G2 1800Hz guard tone and calling tone enabled. &G4 Guard and calling tones disabled. &G5 550Hz guard tone enabled, calling tone disabled. &G6 1800Hz guard tone enabled, calling tone disabled. INVALID ESCAPE SEQUENCE RESULT CODE Type: Configuration Format: AT [cmds] *Qn [cmds] Description: Selects whether the modem will send a CONNECT response when an invalid escape sequence has been entered. Command Function *Q0 Modem will send CONNECT response. *Q1 Modem will not send CONNECT response. LINE SPEED Type: Configuration Format: AT [cmds] %Bnnnn [cmds] Description: Sets the speed that the modem will attempt to connect at. Command Function %B300 Set speed to 300bps. %B1200 Set speed to 1200bps. %B1200/75 Set speed to 1200/75bps. %B75/1200 Set speed to 75/1200bps. %B2400 Set speed to 2400bps. %B4800 Set speed to 4800bps. %B7200 Set speed to 7200bps. %B9600 Set speed to 9600bps. %B12000 Set speed to 12Kbps. %B14400 Set speed to 14.4Kbps. %B16800 Set speed to 16.8Kbps. %B19200 Set speed to 19.2Kbps. %B21600 Set speed to 21.6Kbps. %B24000 Set speed to 24Kbps. %B26400 Set speed to 26.4Kbps. %B28800 Set speed to 28.8Kbps. %B31200 Set speed to 31.2Kbps. %B33600 Set speed to 33.6Kbps. LOCAL SERIAL PORT SPEED - CURRENT Format: AT [cmds] S93? [cmds] Default: Read-only Range: 0 - 16 Description: Returns a value indicating the current local serial port speed. Bit Value Meaning 4 - 0 00000 DTE rate 300 bps 00001 DTE rate 300 bps 00010 DTE rate 300 bps 00011 DTE rate 300 bps 00100 DTE rate 600 bps 00101 DTE rate 1200 bps 00110 DTE rate 2400 bps 00111 DTE rate 4800 bps 01000 DTE rate 7200 bps 01001 DTE rate 9600 bps 01010 DTE rate 12,000 bps 01011 DTE rate 14,400 bps 01100 DTE rate 19,200 bps 01101 DTE rate 38,400 bps 01110 DTE rate 57,600 bps 10000 DTE rate 115,200 bps LOCAL SERIAL PORT SPEED MATCHING Type: Configuration Format: AT [cmds] %Gn [cmds] Description: Selects whether the speed of the modem’s port will be changed to match the local serial port, or if the user must do it by hand. Command Function %G0 Speed changed automatically. %G1 User must change speed with %B command. MANUAL DIALING DTR CHANGE Type: Configuration Format: AT [cmds] :Dn [cmds] Description: Selects whether the modem will attempt to connect to a manually dialed call when DTR goes high. Command Function :D0 Modem will not attempt to connect on high DTR. :D1 Modem will attempt to connect on high DTR. RECEIVED SIGNAL LEVEL Type: Register Format: AT [cmds] 65? [cmds] Default: Read-only Range: 0 - 43 Unit: -1 dBm Description: Displays the current received signal level. REMOTE CONFIGURATION Type: Configuration Format: AT [cmds] *En [cmds] Description: Selects whether the modem will accept requests for remote configuration. Command Function *E0 Remote configuration disabled. *E1 Remote configuration enabled. REMOTE CONFIGURATION CHARACTER Type: Register Format: AT [cmds] S34=n [cmds] Default: 42 Range: 0 - 126 Unit: 1 ASCII character Description: Defines the character that, when sent four times within the guard time set by S12, will notify the remote modem that a remote configuration session has been requested. REMOTE CONFIGURATION EXIT Type: Immediate Format: AT [cmds] *X [cmds] Description: Exits the remote configuration session and discards the changes that have been made. REMOTE CONFIGURATION SAVE Type: Immediate Format: AT [cmds] *U [cmds] Description: Saves the changes that have been made to the remote configuration. 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 disabled in answer mode. RING DELAY Type: Register Format: AT [cmds] S99=n [cmds] Default: 10 - 255 Range: 50 Unit: .1 second Description: Sets the maximum delay between incoming ring signals. RTS TO CTS DELAY Type: Register Format: AT [cmds] S39=n [cmds] Default: 3 Range: 0 - 255 Unit: 10 mS Description: In half-duplex mode, sets the amount of time that must elapse after an RTS state change before CTS is set to follow. SECURITY - ACCESS MODE Type: Configuration Format: AT [cmds] $Sxxxxx [cmds] Description: Sets the access mode for configuration according to the options listed below. Option Meaning A All commands that do not change the modem's memory are accessible. W Commands that write to the modem's memory are accessible. I Incoming calls may be accepted. If this option is not specified, the RING response code is not sent. O The modem may dial out. P The password list may be displayed or edited. SECURITY - CALLBACK PASSWORD Type: Configuration Format: AT [cmds] $Pn;yyyy AT [cmds] $Pn;bb;xxxx;<#> Description: Sets the information for the callback password at location n. For the first form of this command, yyyy indicates the dialing prefix that will be used to dial the number associated with this entry (see second form). xxxx indicates the password for this callback entry. The bb sets the options for this entry according to the bitmap explained below. Bit Value Function 0 0 Entry inactive. 1 Entry active. 2, 1 00 Password required for login. 01 Password and phone number required for login. 10 Prompt for password; call user back at 11 stored number. Prompt for password and phone number; call user back at entered number. 3 0 Not used. 5, 4 00 User may not perform remote configuration. 01 User may perform read-only remote 10 configuration. User may perform full access remote configuration. SECURITY - DISPLAY PASSWORDS Type: Immediate Format: AT [cmds] $R [cmds] Description: Displays the callback password table. SECURITY - MAIN PASSWORD Type: Configuration Format: AT [cmds] $Y [cmds] Description: Changes the main security password. The user will be prompted for the old and new passwords. Passwords must be between four and eight characters, case insensitive. SECURITY - PASSWORD WAIT TIME Type: Register Format: AT [cmds] S42=n [cmds] Default: 30 Range: 20 - 120 Unit: 1 second Description: Sets the amount of time that the modem will wait for a password to be entered. SPEAKER ENABLED FOR RING Type: Register Format: AT [cmds] S54=n [cmds] Description: Selects whether the modem will emit a ringing sound when an incoming call is detected. Command Function S54=0 Modem will not emit ringing sound. S54=1 Modem will emit ringing sound. STORE ACTIVE PROFILE WITH EXTENDED REGISTERS Type: Configuration Format: AT [cmds] *Wn [cmds] Description: Writes the command settings with extended S-registers for the active profile into the non-volatile RAM. Command Function *W0 Write the active profile to stored profile 0. *W1 Write the active profile to stored profile 1. STORE TELEPHONE NUMBER Type: Configuration Format: AT [cmds] \Pn<#> Description: Stores the telephone number indicated at memory location n. V.8 MODE Type: Configuration Format: AT [cmds] %Mn [cmds] Description: Selects whether the modem will use V.8 for bit rate adaptation. Command Function %M0 V.8 adaptation enabled. %M1 V.8 adaptation disabled. V.34 BAUD RATES Type: Register Format: AT [cmds] S63=n [cmds] Default: 0 Range: 0 - 61 Description: Selects which baud rates may be used in V.34 mode. Bit Value Function 0 0 2400 baud rate enabled. 1 2400 baud rate disabled. 1 0 Not used. 2 0 2800 baud rate enabled. 1 2800 baud rate disabled. 3 0 3000 baud rate enabled. 1 3000 baud rate disabled. 4 0 3200 baud rate enabled. 1 3200 baud rate disabled. 5 0 3429 baud rate enabled. 1 3429 baud rate disabled. V.34 BAUD RATE - CURRENT Type: Register (read-only) Format: AT [cmds] S84? [cmds] Description: Displays a number which indicates the baud rate of the current V.34 connection. Value Meaning 0 Current connection is 2400 baud. 2 Current connection is 2800 baud. 3 Current connection is 3000 baud. 4 Current connection is 3200 baud. 5 Current connection is 3429 baud. V.100 FALLBACK Type: Configuration Format: AT [cmds] %Ln [cmds] Description: Selects whether the modem will use V.100 for fallback operations. Command Function %L0 Non-V.100 fallback enabled. %L1 V.100 fallback enabled. %L2 Fallback disabled. %L3 V.100 fallback enabled. VOICE DATA FORMAT Type: Configuration Format: AT [cmds] S229=n [cmds] Description: Selects the format of voice data the modem will use. Command Function S229=0 Modem will use new voice format. S229=1 Modem will use old voice format.