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 MNP5, MNP10EC, V.42, V.42bis Correction/Compression Fax Class Class I & II Data Bus Serial +------------------------------------------------------------+ | 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. | |--------------+---------------------------------------------| | i %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. | | | | | | | i 01 | MNP10 enabled. | | | | | | | 10 | MNP extended services enabled without | | | | indicating MNP on the answer detection | | | | phase. | |------+-------+---------------------------------------------| | 2 | i 0 | Power level adjustment enabled. | | | | | | | 1 | Power level adjustment disabled. | |------+-------+---------------------------------------------| | 5, | 000 | \K0 set. | | 4, 3 | | | | | 001 | \K1 set. | | | | | | | 010 | \K2 set. | | | | | | | 011 | \K3 set. | | | | | | | 100 | \K4 set. | | | | | | | i 101 | \K5 set. | |------+-------+---------------------------------------------| | 7, 6 | 00 | MNP block size is 64 characters. | | | | | | | i 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. | | | | | | | i 11 | MNP5 and V.42bis enabled. | |------+-------+---------------------------------------------| | 6, 2 | i 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 | i 0 | Modem-to-modem flow control disabled. | | | | | | | 1 | Modem-to-modem flow control enabled. | |------+-------+---------------------------------------------| | 4 | i 0 | MNP stream mode enabled. | | | | | | | 1 | MNP block mode enabled. | |------+-------+---------------------------------------------| | 5 | 0 | Not used. | |------+-------+---------------------------------------------| | 7 | 0 | MNP10 at 2400 and 1200bps disabled. | | | | | | | i 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 | |--------------+---------------------------------------------| | i 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 | |--------------+---------------------------------------------| | i 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. | |---------------+--------------------------------------------| | i -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 | |--------------+---------------------------------------------| | i *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. | |------------------------+-----------------------------------| | i -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. | |---------------+--------------------------------------------| | i 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. | |---------------+--------------------------------------------| | i m=2 | Selects ML288 modulation. | |---------------+--------------------------------------------| | n=0 | Modem will not auto-detect the correct | | | modulation. | |---------------+--------------------------------------------| | i 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 | |--------------+---------------------------------------------| | i #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. | |--------------+---------------------------------------------| | i #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 | |--------------+---------------------------------------------| | i #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. | |----------------------+-------------------------------------| | i #VGT=129 | Medium volume setting. | |----------------------+-------------------------------------| | #VGT=130 | High volume setting. | |----------------------+-------------------------------------| | #VGT=131 | Highest volume setting. | +------------------------------------------------------------+