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# DATA COMMUNICATIONS TECHNOLOGIES
ULTRALINK V.34 INTERNAL
Card Type Modem (asynchronous)
Chipset Rockwell
I/O Options 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
Error MNP5, MNP10, V.42, V.42bis
Correction/Compression
Fax Class Class I
Data Bus 8/16 bit ISA
Card Size Full height, half length
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------+-------+-------------------+-------|
| Telephone line out | CN1 | Headphone out | CN4 |
|------------------------+-------+-------------------+-------|
| Telephone line in | CN2 | Speaker out | CN5 |
|------------------------+-------+-------------------+-------|
| Microphone in | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|------------------------------------+-------+---------------|
| í Factory configured - do not | J5 | Pins 3 & 4 |
| alter | | closed |
|------------------------------------+-------+---------------|
| í Plug-N-Play enabled | J6 | Pins 2 & 3, 5 |
| | | & 6 closed |
|------------------------------------+-------+---------------|
| Plug-N-Play disabled | J6 | Pins 1 & 2, 4 |
| | | & 5 closed |
|------------------------------------+-------+---------------|
| í Internal speaker amplifier | J7 | Pins 1 & 3 |
| enabled | | closed |
|------------------------------------+-------+---------------|
| Internal speaker amplifier | J7 | Pins 2 & 4 |
| disabled | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION (PLUG-N-PLAY DISABLED) |
|------------------------------------------------------------|
| Setting | J3/A | J3/B | J3/C | J3/D |
|---------------+-----------+-----------+----------+---------|
| 3F8h (COM1:) | Open | Closed | Open | Closed |
|---------------+-----------+-----------+----------+---------|
| 2F8h (COM2:) | Open | Closed | Closed | Open |
|---------------+-----------+-----------+----------+---------|
| 3E8h (COM3:) | Closed | Open | Open | Closed |
|---------------+-----------+-----------+----------+---------|
| 2E8h (COM4:) | Closed | Open | Closed | Open |
+------------------------------------------------------------+
+----------------------------------------------------------------------+
| INTERRUPT SELECTION (PLUG-N-PLAY DISABLED) |
|----------------------------------------------------------------------|
|Setting| J4/A | J4/B | J4/C | J4/D | J4/E | J4/F | J4/G | J4/H | J4/I |
|-------+------+------+------+------+------+------+------+------+------|
| 2/9 | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| 3 |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| 4 | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| 5 | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| 7 | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| 10 | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| 11 | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-------+------+------+------+------+------+------+------+------+------|
| 12 | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-------+------+------+------+------+------+------+------+------+------|
| 15 | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
+----------------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z |
|------------------------------------------------------------|
| &C, &D, &F, &G, &K, &P, &Q, &R, &S, &T, &V, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \N |
|------------------------------------------------------------|
| %C, %E, %L, %Q |
|------------------------------------------------------------|
| Special AT Commands |
|------------------------------------------------------------|
| #CID, -K, +MS |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S14, S16, S18, S21, S22, S23, S24, S25 |
|------------------------------------------------------------|
| S26, S27, S28, S29, S30, S31, S32, S33, S36, S38, S39, |
| S40, S41, S46, S48, S82, S86, S95 |
|------------------------------------------------------------|
| Note: See MHI help file for complete information. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| UNIDENTIFIED COMMANDS |
|------------------------------------------------------------|
| Command | Default |
|----------------------------+-------------------------------|
| \K | Unidentified |
+------------------------------------------------------------+
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. |
|--------------+---------------------------------------------|
| 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! | 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^ | Calling tone toggled from current state 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 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 least significant byte of ROM |
| | checksum. |
|--------------+---------------------------------------------|
| I2 | Tests and displays ROM checksum result. |
|--------------+---------------------------------------------|
| I3 | Displays firmware revision. |
|--------------+---------------------------------------------|
| I4 | Displays modem identifier. |
|--------------+---------------------------------------------|
| I5 | Displays country code. |
|--------------+---------------------------------------------|
| I6 | Displays data pump model and revision. |
|--------------+---------------------------------------------|
| I7 | Displays DAA code. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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: | Selects the line speed the modem will |
| | attempt to connect at. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S37=0 | Modem will connect at highest common |
| | protocol. |
|--------------+---------------------------------------------|
| S37=1 | Modem will connect at 300bps. |
|--------------+---------------------------------------------|
| S37=2 | Modem will connect at 300bps. |
|--------------+---------------------------------------------|
| S37=3 | Modem will connect at 300bps. |
|--------------+---------------------------------------------|
| S37=5 | Modem will connect at 1200bps. |
|--------------+---------------------------------------------|
| S37=6 | Modem will connect at 2400bps. |
|--------------+---------------------------------------------|
| S37=7 | Modem will connect with V.23 |
|--------------+---------------------------------------------|
| S37=8 | Modem will connect at 4800bps. |
|--------------+---------------------------------------------|
| S37=9 | Modem will connect at 9600bps. |
|--------------+---------------------------------------------|
| S37=10 | Modem will connect at 12Kbps. |
|--------------+---------------------------------------------|
| S37=11 | Modem will connect at 14.4Kbps. |
|--------------+---------------------------------------------|
| S37=12 | Modem will connect at 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 1 mode. |
|--------------+---------------------------------------------|
| #CLS=8 | Modem will operate in voice mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 and maximum combined |
| | voice and data speed to 4800bps, |
| | respectively. |
|---------------+--------------------------------------------|
| b,c=7200 | Sets the minimum and maximum combined |
| | voice and data speed to 7200bps, |
| | respectively. |
|---------------+--------------------------------------------|
| b,c=9600 | Sets the minimum and maximum combined |
| | voice and data speed to 9600bps, |
| | respectively. |
|---------------+--------------------------------------------|
| b,c=12000 | Sets the minimum and maximum combined |
| | voice and data speed to 12Kbps, |
| | respectively. |
|---------------+--------------------------------------------|
| b,c=14400 | Sets the minimum and maximum combined |
| | voice and 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=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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 DEVICE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VLS=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the I/O device for the DSP chip. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #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. |
|--------------+---------------------------------------------|
| #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 - 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 RING DETECT TIME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VRN=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 70 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| 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. |
|--------------+---------------------------------------------|
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 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 VOLUME LEVEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #VGT=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 128 - 228 |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Sets the volume level when playing back |
| | audio signals. |
+------------------------------------------------------------+