QUADRANT COMPONENTS, INC. CHOICE 33.6 VOICE Card Type Modem (asynchronous) Chipset U.S. Robotics I/O Options Microphone in, speaker out, voice, speakerphone Maximum Data Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103A, 212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34 Fax Modulation Unidentified Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I & II Data Bus 8-bit ISA Card Size Full height, half length [Image] CONNECTIONS Function Label Function Label Telephone line CN1 Speaker out or CN3 microphone in Telephone line CN2 Speaker out or CN4 microphone in Note: It is not known which one of CN3 and CN4 is the speaker out and which is the microphone in. USER CONFIGURABLE SETTINGS Setting Label Position Speaker out connector is stereo JP5 Closed Speaker out connector is mono JP5 Open SERIAL PORT ADDRESS SELECTION Setting JP1/A JP1/B JP1/C 3F8h (COM1:) Closed Closed Closed 2F8h (COM2:) Open Closed Closed 3E8h (COM3:) Closed Open Closed 2E8h (COM4:) Open Open Closed Plug-N-Play Open Open Open 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 Plug-N-Play Open Open Open Open Open SUPPORTED STANDARD COMMANDS Basic AT Commands +++, ‘comma’, A/ A, B, C, E, F, H, L, M, O, P, T, V, X &C, &D, &G, &P, &R, &S, &T, &W, &Z S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S38 Note: See MHI help file for complete information. Proprietary AT Command Set 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. DP Pulse dialing enabled. DR Answer mode enabled; originate mode disabled following handshake initiation. DSn Dial stored telephone number n. DT Tone dialing enabled. DW Dialing resumed following dial tone detection. D, Dialing paused for amount of time specified in S8 register. D/ Dialing paused for 1/8 second. 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; Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. DISPLAY CHIPSET MANUFACTURER Type: Immediate Format: AT [cmds] #MFR? [cmds] Description: Displays the voice chipset manufacturer’s name. DISPLAY CHIPSET MODEL NAME Type: Immediate Format: AT [cmds] #MDL? [cmds] Description: Displays the model name of the modem's voice chipset. DISPLAY CHIPSET REVISION Type: Immediate Format: AT [cmds] #REV? [cmds] Description: Displays the revision level of the modem's voice chipset. FLOW CONTROL - MODEM-TO-MODEM Type: Configuration Format: AT [cmds] &In [cmds] Description: Selects the type of modem-to-modem flow control used. Command Function &I0 Software flow control disabled. &I1 XON/XOFF pass-through enabled. &I2 XON/XOFF pass-through disabled. &I3 Hewlett-Packard ENQ/ACK host mode enabled. &I4 Hewlett-Packard ENQ/ACK terminal mode enabled. &I5 XON/XOFF pass-through enabled in normal mode and disabled in error-correcting mode. MODE SELECTION Type: Immediate Format: AT [cmds] #CLS=n [cmds] Description: Selects which mode the modem will operate in. Command Function #CLS=0 Modem will operate in data mode. #CLS=1 Modem will operate in fax class I mode. #CLS=2 Modem will operate in fax class II mode. #CLS=8 Modem will operate in voice mode. PROFILE ON POWER-UP Type: Configuration Format: AT [cmds] Yn [cmds] Description: Selects the profile that the modem will reset to on power-up. Command Function Y0 Modem resets to user profile 0 on power-up. Y1 Modem resets to user profile 1 on power-up. Y2 Modem resets to factory generic profile on power-up. Y3 Modem resets to factory hardware flow control profile on power-up. Y4 Modem resets to factory software flow control profile on power-up. Y6 Displays link diagnostics. STATUS REGISTER BIT Type: Configuration Format: Write: AT [cmds] Sn.m=0 or 1 [cmds] Read: AT [cmds] Sn.m? [cmds] Description: Sets/clears or reads bit m of register n. TONE DETECTION Format: AT [cmds] #VTD=x,y,z [cmds] Default: x,y,z 63 Range: 0 - 63 Description: Sets which tones the tone detection will report. Note: The value of x sets the tone detection modes in voice transmit mode, y sets them in voice receive mode, and z sets them in voice command mode. Bit Value Function 0 0 DTMF tones are not detected. 1 DTMF tones are detected. 1 0 V.25 1300Hz calling tone is not detected. 1 V.25 1300Hz calling tone is detected. 2 0 T.30 1100Hz fax tone is not detected. 1 T.30 1100Hz fax tone is detected. 3 0 V.25/T.30 2100Hz answer tone is not detected. 1 V.25/T.30 2100Hz answer tone is detected. 4 0 Bell 2225Hz answer tone is not detected. 1 Bell 2225Hz answer tone is detected. 5 0 Call progress tones are not detected. 1 Call progress tones are detected. TONE GENERATOR - DIRECT ENTRY Type: Immediate Format: AT [cmds] #VTS=[m, n, x] Range: m 200-3000, n 200-3000, x 0-255 Unit: m 1 Hz, n 1 Hz, x .1 second Description: Generates a dual-frequency tone for duration x at frequencies m and n. TONE GENERATOR - TIMED PHONE KEYS Type: Immediate Format: AT [cmds] #VTS={a, n} Range: a 0-9, A-D, #, *; x 0-255 Unit: x .1 second Description: Generates the DTMF tone for duration x for the character a. TONE GENERATOR - PHONE KEYS Type: Immediate Format: AT [cmds] #VTS=a Range: 0-9, A-D, #, * Description: Generates the DTMF tones for the characters in the string for the duration set with +VBT. TONE GENERATOR LENGTH Format AT [cmds] #VBT=n [cmds] Default: 10 Range: 0 - 40 Unit: 0.1 second Description: Sets the length of DTMF tones that are generated. VOICE BUFFER SPACE Type: Configuration Format: AT [cmds] #VSK=n [cmds] Default: 255 Range: 0 - 255 Unit: 1 byte Description: Sets the amount of data the modem can send into the buffer after the XOFF signal is sent. VOICE DEVICE Type: Configuration Format: AT [cmds] #VLS=n [cmds] Description: Selects the I/O device for the DSP chip. Note: This modem may not support all options listed below. The #VLS? command will display the available options. Command Function #VLS=0 Telephone line and handset used for voice I/O. #VLS=1 Telephone handset used for voice I/O. #VLS=2 Internal speaker only used for voice I/O. #VLS=3 External microphone only used for voice I/O. #VLS=4 Telephone line and handset used for voice I/O; internal speaker enabled. #VLS=5 Headset used for voice I/O. #VLS=6 Speakerphone used for voice I/O. #VLS=7 Handset muted by disconnecting handset or speakerphone from telephone line. #VLS=8 Connects caller ID relay for recording of conversation over handset. #VLS=9 Connects handset (or speakerphone) to DSP chip for recording or playback. VOICE - DISPLAY BUFFER SIZE Type: Immediate Format: AT [cmds] #VBQ? [cmds] Description: Displays the size of the voice buffer. VOICE - DISPLAY COMPRESSION TYPE Type: Immediate Format: AT [cmds] #VCI? [cmds] Description: Displays the type of compression currently in use. VOICE - LOCAL SERIAL PORT SPEED Type: Configuration Format: AT [cmds] #BDR=n [cmds] Default: 0 Range: 0 - 48 Unit: 2400bps Description: Sets the speed of the local serial port when in voice mode. A value of 0 indicates that the modem should auto-detect the correct serial port speed. VOICE RE-RING DETECT TIME Type: Configuration Format: AT [cmds] #VRA=n [cmds] Default: 70 Range: 0-255 Unit: 10 mS Description: Sets the maximum time the modem will wait for the remote station to ring again before it assumes that it has gone off-hook. VOICE RECEIVE Type: Immediate Format: AT [cmds] #VRX Description: Commands the modem to begin receiving voice data. VOICE RING DETECT TIME Type: Configuration Format: AT [cmds] #VRN=n [cmds] Default: Unidentified Range: Unidentified Unit: Unidentified Description: Sets the maximum time the modem will wait for the remote station to ring before it assumes that it went off-hook before it rang. VOICE SAMPLE QUALITY Type: Configuration Format: AT [cmds] #VBS=n [cmds] Description: Selects the number of bits per sample that the modem records. Note: This modem may not support all options listed below. The #VBS? command will display the available options. Command Function #VBS=2 Modem records 2 bits per sample in ADPCM encoding. #VBS=3 Modem records 3 bits per sample in ADPCM encoding. #VBS=4 Modem records 4 bits per sample in ADPCM encoding. #VBS=8 Modem records 8 bits per sample in PCM encoding. #VBS=16 Modem records 16 bits per sample in PCM encoding. VOICE SAMPLING RATE Type: Configuration Format: AT [cmds] #VSR=n [cmds] Description: Sets the sampling rate used when recording voice signals. Command Function #VSR=7200 Selects a sampling rate of 7.2KHz. #VSR=11025 Selects a sampling rate of 11.025KHz in PCM encoding only. VOICE SILENCE DETECTION TIME Type: Configuration Format: AT [cmds] #VSP=n [cmds] Default: Unidentified Range: 0 - 255 Unit: .1 second Description: Sets the minimum amount of silence that the modem will detect. VOICE SILENCE DETECTION THRESHOLD Type: Configuration Format: AT [cmds] #VSS=n [cmds] Description: Sets the threshold of sensitivity that the modem uses to determine silence detection. Command Function #VSS=0 Silence detection disabled. #VSS=1 Minimum silence detection sensitivity. #VSS=2 Standard silence detection sensitivity. #VSS=3 Maximum silence detection sensitivity. VOICE TRANSMIT Type: Immediate Format: AT [cmds] #VTX Description: Commands the modem to begin transmitting voice data. Proprietary AT Command Set See QUADRANT COMPONENTS, INC. CHOICE 33.6 for a full command summary.