MICROCOM, INC. OFFICEPORTE VOICE Card Type Modem (asynchronous) Chipset Rockwell Maximum Onboard Memory 32KB RAM I/O Options Microphone, microphone in, speaker out, voice, speakerphone, SVD Maximum Data Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103A, 212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Rockwell V.FC Fax Modulation ITU-T V.17, V.27ter, V.29 Error Correction/Compression MNP5, MNP10EC, V.42, V.42bis Fax Class Class I & II Data Bus Serial [Image] CONNECTIONS Function Label Function Label Speaker out CN1 Serial port CN5 Microphone in CN2 DC power in CN6 Telephone line out CN3 Microphone MIC Telephone line in CN4 Power switch SW1 DIAGNOSTIC LED(S) LED Color Status Condition PWR Unidentified On Power is on PWR Unidentified Blinking Modem failed NVRAM, RAM, ROM, or data pump power-up test PWR Unidentified Off Power is off TR Unidentified On DTR signal is high TR Unidentified Off DTR signal is low OH Unidentified On Modem is off-hook OH Unidentified Off Modem is on-hook CD Unidentified On Carrier signal detected CD Unidentified Off Carrier signal not detected DATA Unidentified On Modem is transmitting or receiving data DATA Unidentified Off Modem is not transmitting or receiving data SUPPORTED STANDARD COMMANDS Basic AT Commands +++, A/ A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z &C, &D, &F, &G, &K, &Q, &S, &T, &V, &W, &Y, &Z Extended AT Commands \A, \B, \G, \K, \L, \N, \V %C, %L, %Q Special AT Commands -K, +MS, -Q S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25, S27 S29, S30, S31, S32, S33, S36, S38, S39, S46, S48, S82, S86, S95, S201 Note: See MHI help file for complete information. Proprietary AT Command Set AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD Type: Configuration Format: AT [cmds] %En [cmds] Description: Controls auto-retrain mode and fallback/fall-forward. Command Function %E0 Auto-retrain disabled. %E1 Auto-retrain enabled. %E2 Auto-fallback/fall-forward enabled. %E3 Auto-retrain enabled; modem disconnects when EQM reaches disconnect threshold. BIT-MAPPED REGISTER S40 Format AT [cmds] S40=n [cmds] Default: 105 Range: 0 - 238 Description: Controls power level, break handling, MNP10, and MNP block size. Bit Value Function 1, 0 00 MNP10 disabled. 01 MNP10 enabled. 10 MNP extended services enabled without indicating MNP on the answer detection phase. 2 0 Power level adjustment enabled. 1 Power level adjustment disabled. 5, 4, 3 000 \K0 set. 001 \K1 set. 010 \K2 set. 011 \K3 set. 100 \K4 set. 101 \K5 set. 7, 6 00 MNP block size is 64 characters. 01 MNP block size is 128 characters. 10 MNP block size is 192 characters. 11 MNP block size is 256 characters. BIT-MAPPED REGISTER S41 Format AT [cmds] S41=n [cmds] Default: 155 Range: 0 - 219 Description: Selects compression, auto-retrain and auto-fallback/fall-forward, modem-to-modem flow control, MNP mode, and low-speed MNP10. Note: Be aware that bit 6 is out of order. Bit Value Function 1, 0 00 Data compression disabled. 01 MNP5 enabled. 10 V.42bis enabled. 11 MNP5 and V.42bis enabled. 6, 2 00 Auto-retrain disabled. 01 Auto-retrain enabled. 10 Auto-fallback/fall-forward enabled. 11 Auto-retrain enabled; modem disconnects when EQM reaches disconnect threshold. 3 0 Modem-to-modem flow control disabled. 1 Modem-to-modem flow control enabled. 4 0 MNP stream mode enabled. 1 MNP block mode enabled. 5 0 Not used. 7 0 MNP10 at 2400 and 1200bps disabled. 1 MNP10 at 2400 and 1200bps enabled. MNP10 - LINK NEGOTIATION Type: Register Format: AT [cmds] S28=n [cmds] Description: Sets the speed at which MNP10 link negotiation will occur. Command Function S28=0 Link will be negotiated at highest possible speed. S28=64 Link will be negotiated at 1200bps. S28=128 Link will be negotiated at 4800bps. DIAL Type: Immediate Format: AT [cmds] D<#>;[cmds] Description: Dials the telephone number indicated according to any modifiers included in the string.1 Command Function DL Re-dial last number. DP Pulse dialing enabled. DS=n 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"WXY" Optional method of denoting telephone numbers. Letters enclosed in quotes are interpreted as numbers according to the system found on a telephone keypad. 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^ Disables the calling tone for this call. D& Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command. D; Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. DISPLAY INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested about the modem. Command Function I1 Performs a checksum on the firmware ROM and displays the result. I2 Performs a checksum on the firmware ROM and displays the result as either OK or ERROR. I3 Displays firmware revision and information. I4 Displays feature bitmap. I5 Displays country code. I6 Displays data pump and CEP model and revision. DISTINCTIVE RING Format: AT [cmds] -SDR=n [cmds] Default: Unidentified Range: 0 - 7 Description: Selects which distinctive ring signals the modem will respond to. Bit Value Function 0 0 Do not respond to distinctive ring type 1. 1 Respond to distinctive ring type 1. 1 0 Do not respond to distinctive ring type 2. 1 Respond to distinctive ring type 2. 2 0 Do not respond to distinctive ring type 3. 1 Respond to distinctive ring type 3. LINE SPEED Type: Register Format: AT [cmds] S37=n [cmds] Description: Sets the maximum allowable data exchange rate attempted during the handshaking process. Command Function S37=0 Attempt to connect at fastest common speed. S37=1 Set speed to 300bps. S37=2 Set speed to 300bps. S37=3 Set speed to 300bps. S37=4 Attempt to connect with V.23. S37=5 Set speed to 1200bps. S37=6 Set speed to 2400bps. S37=8 Set speed to 4800bps. S37=9 Set speed to 9600bps. S37=10 Set speed to 12Kbps. S37=11 Set speed to 14.4Kbps. S37=12 Set speed to 7200bps. 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. MNP10EC MODE Type: Configuration Format: AT [cmds] -SEC=n[,a] [cmds] Description: Selects whether the modem will attempt to use MNP10EC mode during the handshaking sequence. Command Function -SEC=0 MNP10EC handshaking disabled unless a V.34 connection is attempted via a cellular line. -SEC=1,a Default: 10 Range: 0 - 30 Unit: -1 dBm Description: MNP10EC handshaking enabled and the transmit level is set to a. If the a option is not specified then the transmit level will be set to the default. PULSE DIALING TYPE Type: Configuration Format: AT [cmds] *Zn [cmds] Description: Selects the type of pulse dialing the modem will use. Command Function *Z0 Pulse dialing type 0 used. *Z1 Pulse dialing type 1 used. SPEAKERPHONE OPTIONS Type: Configuration Format: AT [cmds] #SPK=x,y,z [cmds] Description: Sets various options for speakerphone functions. Command Function x=0 Microphone disabled. x=1 Microphone enabled. x=2 Microphone enabled with maximum gain, speaker disabled. y Default: 5 Range: 0 - 16 Unit: -2 dBm Description: Sets the attenuation level for speaker output in voice mode. A value of 16 will mute the speaker. z=0 Microphone gain set to 0 dBm. z=1 Microphone gain set to 6 dBm. z=2 Microphone gain set to 9.5 dBm. z=3 Microphone gain set to 12 dBm. SVD DATA BURST Type: Configuration Format: AT [cmds] -SMC=n [cmds] Description: Selects whether the modem will increase data throughput when no audio signal is detected during an SVD connection. Command Function -SMC=0 Data burst disabled. -SMC=1 Data burst enabled. SVD BANDWIDTH Type: Configuration Format: AT [cmds] -SMS=a,b,c,d [cmds] Description: Selects the throughput levels allowed for SVD mode. Command Function a=0 SVD mode disabled. a=2 SVD mode enabled. a=3 Auto-detect correct mode. b,c=4800 Sets the minimum or maximum combined voice or data speed to 4800bps, respectively. b,c=7200 Sets the minimum or maximum combined voice or data speed to 7200bps, respectively. b,c=9600 Sets the minimum or maximum combined voice or data speed to 9600bps, respectively. b,c=12000 Sets the minimum or maximum combined voice or data speed to 12Kbps, respectively. b,c=14400 Sets the minimum or maximum combined voice or data speed to 14.4Kbps, respectively. d Sets the baud rate for ML288 modulation mode. A setting of 0 will cause the modem to auto-detect the correct mode, which is the default. SVD MODULATION Type: Configuration Format: AT [cmds] -SQS=m,n [cmds] Description: Selects which modulation type the modem will use for SVD mode. Command Function m=0 Selects V.61 modulation. m=1 Selects ML144 modulation. m=2 Selects ML288 modulation. n=0 Modem will not auto-detect the correct modulation. n=1 Modem will auto-detect the correct modulation. VOICE DEVICE Type: Configuration Format: AT [cmds] #VLS=n [cmds] Description: Selects the I/O device for the DSP chip. 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=6 Speakerphone used for voice I/O. VOICE SAMPLE QUALITY Type: Configuration Format: AT [cmds] #VBS=n [cmds] Description: Selects the number of bits per sample that the modem records. Command Function #VBS=2 Modem records 2 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 VOLUME LEVEL Type: Configuration Format: AT [cmds] #VGT=n [cmds] Description: Sets the volume level when playing back audio signals. Command Function #VGT=128 Low volume setting. #VGT=129 Medium volume setting. #VGT=130 High volume setting. #VGT=131 Highest volume setting.