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# CARDINAL TECHNOLOGIES, INC.
MVP144XV2
Modem Type Data
(synchronous/asynchronous)/Fax/Voice
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
V1476
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line out | CN1 | DC power | CN4 |
|------------------+----------+-------------------+----------|
| Line in | CN2 | Volume | R1 |
|------------------+----------+-------------------+----------|
| RS-232/422 | CN3 | Power switch | SW1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+--------+----------+--------------------------------|
| RI | Red | Blinking | Phone is ringing |
|-------+--------+----------+--------------------------------|
| RI | Red | Off | Phone not ringing |
|-------+--------+----------+--------------------------------|
| CD | Red | Blinking | Modem is retraining |
|-------+--------+----------+--------------------------------|
| CD | Red | On | Carrier signal detected |
|-------+--------+----------+--------------------------------|
| CD | Red | Off | Carrier signal not detected |
|-------+--------+----------+--------------------------------|
| OH | Red | On | Modem is off-hook |
|-------+--------+----------+--------------------------------|
| OH | Red | Off | Modem is on-hook |
|-------+--------+----------+--------------------------------|
| RD | Red | On | Modem is receiving data |
|-------+--------+----------+--------------------------------|
| RD | Red | Off | Modem is not receiving data |
|-------+--------+----------+--------------------------------|
| SD | Red | On | Modem is transmitting data |
|-------+--------+----------+--------------------------------|
| SD | Red | Off | Modem is not transmitting data |
|-------+--------+----------+--------------------------------|
| TR | Red | On | DTR signal is high |
|-------+--------+----------+--------------------------------|
| TR | Red | Off | DTR signal is low |
|-------+--------+----------+--------------------------------|
| MR | Red | On | Modem is ready |
|-------+--------+----------+--------------------------------|
| MR | Red | Off | Modem not ready |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-RETRAIN - FALLBACK/FALLFORWARD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %En [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %E2 <CR> |
|--------------+---------------------------------------------|
| Description: | Controls auto-retrain mode and |
| | fallback/fall forward. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %E0 | Auto-retrain disabled. |
|--------------+---------------------------------------------|
| %E1 | Auto-retrain enabled. |
|--------------+---------------------------------------------|
| » %E2 | Fallback/fall forward enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTERS |
|------------------------------------------------------------|
| Register | Default |
|------------------------------+-----------------------------|
| S14 | 138 |
|------------------------------+-----------------------------|
| S16 | 0 |
|------------------------------+-----------------------------|
| S21 | 52 |
|------------------------------+-----------------------------|
| S22 | 117 |
|------------------------------+-----------------------------|
| S23 | 62 |
|------------------------------+-----------------------------|
| S27 | 73 |
|------------------------------+-----------------------------|
| S28 | 0 |
|------------------------------+-----------------------------|
| S31 | 194 |
|------------------------------+-----------------------------|
| S39 | 3 |
|------------------------------+-----------------------------|
| S40 | 104 |
|------------------------------+-----------------------------|
| S41 | 195 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK SEND |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \B3 &W<CR> |
|--------------+---------------------------------------------|
| Default: | 3 |
|--------------+---------------------------------------------|
| Range: | 1-9 |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Sends break to modem. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK TYPE |
|------------------------------------------------------------|
|Type: |Configuration |
|------------+-----------------------------------------------|
|Format: |AT [cmds] \Kn [cmds] |
|------------+-----------------------------------------------|
|Example: |AT \K5 <CR> |
|------------+-----------------------------------------------|
|Description:|Configures action of break signal. |
|------------------------------------------------------------|
| Command | Break from DTE |Modem receives | Break from |
| | | \B |remote modem |
| |Reliable/Normal | | |
| | mode | | |
|-------------+----------------+---------------+-------------|
| \K0 |Enter command |Buffers cleared|Buffers |
| |mode, do not |and break sent |cleared and |
| |send break to |to remote |break sent to|
| |remote modem. |modem. |DTE. |
|-------------+----------------+---------------+-------------|
| \K1 |Buffers cleared |Buffers cleared|Buffers |
| |and break sent |and break sent |cleared and |
| |to remote modem.|to remote |break sent to|
| | |modem. |DTE. |
|-------------+----------------+---------------+-------------|
| \K2 |Enter command |Send break to |Send break to|
| |mode, do not |remote modem |DTE |
| |send break to |immediately. |immediately. |
| |remote modem. | | |
|-------------+----------------+---------------+-------------|
| \K3 |Send break to |Send break to |Send break to|
| |remote modem |remote modem |DTE |
| |immediately. |immediately. |immediately. |
|-------------+----------------+---------------+-------------|
| \K4 |Enter command |Send break to |Break sent |
| |mode, do not |remote modem |with received|
| |send break to |with |data to the |
| |remote modem. |transmitted |DTE. |
| | |data. | |
|-------------+----------------+---------------+-------------|
|» \K5 |Send break with |Send break to |Break sent |
| |transmitted |remote modem |with received|
| |data. |with |data to the |
| | |transmitted |DTE. |
| | |data. | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPROMISE EQUALIZER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] :En [cmds] |
|--------------+---------------------------------------------|
| Example: | AT :E1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls V.32 compromise equalizer. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| :E0 | Equalizer disabled. |
|--------------+---------------------------------------------|
| » :E1 | Equalizer enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \N1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Sets connect mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode. |
|--------------+---------------------------------------------|
| \N1 | Direct mode. |
|--------------+---------------------------------------------|
| \N2 | Reliable mode. |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode. |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode. |
|--------------+---------------------------------------------|
| \N5 | MNP error correction mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %Cn |
|--------------+---------------------------------------------|
| Example: | AT *EC0 %C1 *AP0<CR> |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled. |
|--------------+---------------------------------------------|
| %C1 | MNP5 enabled. |
|--------------+---------------------------------------------|
| %C2 | V.42bis enabled. |
|--------------+---------------------------------------------|
| » %C3 | MNP5 and V.42bis enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RING |
|------------------------------------------------------------|
| Format: | AT [cmds] -SDR=n [cmds] |
|-----------------+------------------------------------------|
| Example: | AT-SDR=3<CR> |
|-----------------+------------------------------------------|
| Default: | 0 |
|-----------------+------------------------------------------|
| Range: | 0 - 7 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Selects the response to extended ring |
| | types. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+----------+-------------------------------------|
| 0 | » 0 | Do not respond to ring type 1. |
| | | |
| | 1 | Respond to ring type 1. |
|-----------+----------+-------------------------------------|
| 1 | » 0 | Do not respond to ring type 2. |
| | | |
| | 1 | Respond to ring type 2. |
|-----------+----------+-------------------------------------|
| 2 | » 0 | Do not respond to ring type 3. |
| | | |
| | 1 | Respond to ring type 3. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH DIAL MODIFIER TIME |
|------------------------------------------------------------|
| Format | AT [cmds] S29=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS29=0<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | .01 second |
|--------------+---------------------------------------------|
| Description: | Time the modem will go on-hook upon |
| | receiving the ! dial modifier in dial |
| | string. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XOFF |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S33=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS33=20<CR> |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XOFF. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XON |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S32=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS32=20<CR> |
|--------------+---------------------------------------------|
| Default: | 17 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XON. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SIGNAL LEVEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %L [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %L &W<CR> |
|--------------+---------------------------------------------|
| Description: | Returns recieved line signal level. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \A1 %C1<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | MNP block size is 64 characters. |
|--------------+---------------------------------------------|
| » \A1 | MNP block size is 128 characters. |
|--------------+---------------------------------------------|
| \A2 | MNP block size is 192 characters. |
|--------------+---------------------------------------------|
| \A3 | MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 TRANSMISSION LEVEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -SECn,a [cmds] |
|--------------+---------------------------------------------|
| Example: | AT-SEC1,24<CR> |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | a=0-30 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Enables/disables and sets the transmission |
| | level for MNP10. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| n=0 | MNP10 disabled. |
|--------------+---------------------------------------------|
| n=1 | MNP10 enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODE SELECTION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +FCLASS=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +FCLASS=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets what mode the modem will operate in. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| +FCLASS=0 | Data mode enabled. |
|--------------+---------------------------------------------|
| +FCLASS=1 | Fax mode enabled. |
|--------------+---------------------------------------------|
| +FCLASS=80 | Voice mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Example: | AT I1 O<CR> |
|--------------+---------------------------------------------|
| Description: | Displays modem properties. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code. |
|--------------+---------------------------------------------|
| I1 | Reports firmware checksum. |
|--------------+---------------------------------------------|
| I2 | Reports firmware checksum result. (Report |
| | OK if correct) |
|--------------+---------------------------------------------|
| I3 | Reports firmware revision. |
|--------------+---------------------------------------------|
| I4 | Reports identifier string. |
|--------------+---------------------------------------------|
| I5 | Reports country code. |
|--------------+---------------------------------------------|
| I6 | Reports Data Pump modem and revision. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT SIGNAL QUALITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Q [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %Q &W<CR> |
|--------------+---------------------------------------------|
| Description: | Reports signal quality. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SLEEP TIMER |
|------------------------------------------------------------|
| Format | AT [cmds] S24=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS24=40<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating low-power sleep |
| | mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] @Mn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT @M25 &W<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 11-30 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Sets the signal level for transmission. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » @M0 | -26dBm |
|--------------+---------------------------------------------|
| @M1 | -30dBm |
|--------------+---------------------------------------------|
| @M2-@M10 | -10dBm |