CARDINAL TECHNOLOGIES, INC.
14450V32bis, MVP144IF (ROCKWELL) (VER.1)
| Chip Type | Modem |
| Chip Set | Unidentified |
| Maximum Modem Rate | 14.4Kbps |
| Data Modulation Protocol | Bell 103A/212 ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis |
| Error Correction/Compression | MNP5, V.42, V.42bis |
| Data Bus | 8-bit ISA |
| Card Size | Three-quarter length, full-height |
| CONNECTIONS | |||
| Function | Label | Function | Label |
| Line in/out | CN1 | Line in/out | CN2 |
| SERIAL PORT ADDRESS | ||||
| Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
| COM1 | Off | Off | Off | On |
| COM2 | On | Off | On | Off |
| COM3 | Off | On | Off | On |
| COM4 | On | On | On | Off |
| INTERRUPT | |
| Setting | P3 |
| 2 | Pins 2 |
| 5 | Pins 1 |
| Note: SW1/3 and SW1/4 must be switched off to set IRQ2 or IRQ5. | |
SUPPORTED COMMAND SET |
| Basic AT Commands |
| AT, ‘+++’, A/ |
| A, B, E, H, M, O, V, W, X, Y, Z |
| &C, &F, &G, &L, &T, |
| Extended AT |
| \A, \G, \K, \L, \O, \U, \Y, \Z |
| %L, %Q |
| S Registers |
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, |
| S27, S30, S36, S40, S41, S38, S91, S95 |
| Note: See MHI Help File for full |
Proprietary AT Command Set
| AUTO DATA/SPEED ADJUST | |
| Type: | Configuration |
| Format: | AT [cmds] N n [cmds] |
| Description: | Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed. |
| Command | Function |
| N0 | Sets connect speed to match value of S37 |
| N1 | Enables auto data standard and speed is set to match remote modem |
| COMMUNICATIONS MODE | |
| Type: | Configuration |
| Format: | AT [cmds] &M n [cmds] |
| Description: | Selects communications mode |
| Command | Mode |
| &M0 | Asynchronous mode |
| &M1 | Transmit compression mode |
| &M2 | Receive compression mode |
| &M3 | Enable two-way compression |
| COMMUNICATIONS MODE | |
| Type: | Configuration |
| Format: | AT [cmds] &Q n [cmds] |
| Description: | Selects communications mode |
| Command | Mode |
| &Q0 | Asynchronous mode, serial port speed follow connect speed. |
| &Q4 | OK result code issued by modem |
| &Q5 | Error correction mode |
| &Q6 | Buffered asynchronous mode |
| &Q8 | MNP mode |
| &Q9 | V.42/V.42bis mode |
| DATA SET READY (DSR) | |
| Type: | Configuration |
| Format: | AT [cmds] &S n [cmds] |
| Description: | Selects DSR options |
| Command | Function |
| &S0 | DSR forced high |
| &S1 | DSR high only while modem is handshaking or connected |
| DATA TERMINAL READY (DTR) | |
| Type: | Configuration |
| Format: | AT [cmds] &D n [cmds] |
| Description: | Selects modem response to DTR |
| Command | Function |
| &D0 | Modem does not respond to DTR |
| &D1 | Modem goes to command mode on DTR toggle |
| &D2 | Modem goes to
command mode and disconnects (hangs up) on DTR toggle; Auto-Answer is disabled on low DTR. |
| &D3 | Modem is initialized on DTR |
| DIAL | |
| Type: | Immediate |
| Format: | AT [cmds] D<#> [cmds] |
| Description: | Dials telephone number according to any modifiers included in the string |
| Note: | Any combination of modifiers can be used to produce the desired dial functions in sequence. |
| Command | Function |
| DL | Re-dial last number |
| DP | Pulse dialing enabled |
| DR | Answer mode enabled; originate mode disabled following handshake initiation. |
| DS=n | Dial stored telephone number n |
| DT | Tone dialing enabled/Pulse dialing disabled |
| 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 Quite Answer function enabled. Modem waits until a "quiet answer," a reing-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 place at the end of the dial command. |
| FLOW CONTROL | |
| Type: | Configuration |
| Format: | AT [cmds] &K n [cmds] |
| Description: | Enables flow control options |
| Command | Function |
| &K0 | Flow control disabled |
| &K3 | RTS/CTS flow control enabled |
| &K4 | XON/XOFF flow control enabled |
| &K5 | Transparent XON/XOFF flow control enabled |
| PULSE DIALING RATIO | |
| Type: | Configuration |
| Format: | AT [cmds] &P n [cmds] |
| Description: | Selects pulse dial make/break ratio |
| Command | Function |
| &P0 | 39/61ms at 10pps (North America) |
| &P1 | 33/67ms at 10pps (Europe) |
| &P2 | 39/61ms at 20pps |
| REPORT INFORMATION | |
| Type: | Immediate |
| Format: | AT [cmds] I n [cmds] |
| Description: | Displays information requested |
| Command | Function |
| I0 | Reports modem code |
| I1 | Reports ROM checksum |
| I2 | Tests and reports ROM checksum |
| I3 | Reports version information |
| RESULT CODES | |
| Type: | Configuration |
| Format: | AT [cmds] Q n [cmds] |
| Description: | Enables modem to send result |
| Command | Function |
| Q0 | Result code sending enabled |
| Q1 | Result code sending disabled |
| Q2 | Result code sending enabled only |
| SPEAKER VOLUME | |
| Type: | Configuration |
| Format: | AT [cmds] L n [cmds] |
| Description: | Controls speaker volume |
| Command | Function |
| L0 | Low volume setting |
| L1 | Low volume setting |
| L2 | Medium volume setting |
| L3 | Highest volume setting |
| STORE TELEPHONE NUMBER | |
| Type: | Configuration |
| Format: | AT [cmds] &Z n =(phone # |
| Description: | Writes selected telephone numbers into the non-volatile memory at location n |
| Note: | The characters described in the D command are valid for use in the &Z command; telephone numbers and modifiers can include up to 30 characters. |
Extended AT Command
| AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |
| Type: | Configuration |
| Format: | AT [cmds] %E n [cmds] |
| Description: | Controls auto-retrain mode and fallback/fall-forward |
| Command | Function |
| %E0 | Auto-retrain disabled |
| %E1 | Auto-retrain enabled |
| BREAK SEND | |
| Type: | Configuration |
| Format: | AT [cmds] \B n [cmds] |
| Range: | 3-9 |
| Unit: | .1 second |
| Description: | Sends break to modem |
| BTLZ - CLEAR DICTIONARY | |
| Type: | Configuration |
| Format: | AT [cmds] %P |
| Description: | Clears BTLZ compression algorithm dictionary |
| BTLZ COMPRESSION MODE | |
| Type: | Configuration |
| Format: | AT [cmds] %M n [cmds] |
| Description: | Controls compression mode for BTLZ compression algorithm |
| Command | Function |
| %M0 | Disable compression |
| %M1 | Enable transmit compression only |
| %M2 | Enable receive compression only |
| %M3 | Enable two-way compression |
| BTLZ DICTIONARY SIZE | |
| Type: | Configuration |
| Format: | AT [cmds] %D n [cmds] |
| Description: | Sets dictionary size for BTLZ compression algorithm |
| Command | Function |
| %D0 | 512 bytes |
| %D1 | 1024 bytes |
| %D2 | 2048 bytes |
| %D3 | 4096 bytes (one-way) |
| BTLZ MAX STRING LENGTH | |
| Type: | Configuration |
| Format: | AT [cmds] %S n [cmds] |
| Range: | 6-250 |
| Unit: | ASCII |
| Description: | Controls length of BTLZ compression algorithm string |
| COMPRESSION | |
| Type: | Configuration |
| Format: | AT [cmds] %C n [cmds] |
| Description: | Selects data compression |
| Command | Function |
| %C0 | Data compression disabled |
| %C1 | Data compression enabled |
| CONNECT MODE | |
| Type: | Configuration |
| Format: | AT [cmds] \N n [cmds] |
| Description: | Controls the type of connection the modem will operate in |
| Command | Function |
| \N0 | Normal mode enabled |
| \N1 | Direct mode enabled |
| \N2 | Reliable mode enabled |
| \N3 | Auto-reliable mode enabled |
| INACTIVITY TIMER | |
| Type: | Configuration |
| Format: | AT [cmds] \T n [cmds] |
| Range: | 0-42 |
| Unit: | 1 second |
| Description: | Sets the length of time that the modem does not receive information before it disconnects |
S(status) Registers
| BREAK OPTIONS | |
| Type: | Register |
| Format | AT [cmds] S82= n [cmds] |
| Description: | Sets the method for break transmission during error-control and ASB connections. |
| Command | Function |
| S82=3 | Expedited signaling, immediately send timed break |
| S82=7 | Destructive signaling, buffers cleared, immediately send timed break |
| S82=128 | In-sequence signaling, timed break sent in sequence with transmitted data |
| CONNECTION FAILURE CODES | |
| Type: | Register |
| Format | AT [cmds] S86? [cmds] |
| Description: | Reports codes which correspond to the possible causes of a connection failure |
| Value | Meaning |
| 0 | Normal hang up |
| 4 | Carrier signal lost |
| 5 | No error-control detected for remote modem during feature negotiation |
| 9 | No common protocol found |
| 12 | No failure - remote modem disconnected normally |
| 13 | Remote modem failed to respond after 10 re-transmissions same message |
| 14 | Violation of negotiated protocol caused failure |
| DCE LINE SPEED | |
| Type: | Register |
| Format | AT [cmds] S37= n [cmds] |
| Description: | Sets the maximum allowable data exchange rate attempted during handshake process. |
| Command | Function |
| S37=0 | Speed of last connection |
| S37=1 | 75bps |
| S37=2 | 110bps |
| S37=3 | 300bps |
| S37=4 | 600bps |
| S37=5 | 1200bps |
| S37=6 | 2400bps |
| S37=7 | 4800bps |
| S37=8 | 7200bps |
| S37=9 | 9600bps |
| S37=10 | 12.0Kbps |
| S37=11 | 14.4Kbps |
| ERROR CORRECTION/COMPRESSION | |
| Type: | Register |
| Format: | AT [cmds] S46= n [cmds] |
| Description: | Selects active error correction and compre4ssion protocols |
| Command | Function |
| S46=136 | LAP-M only, no compression |
| S46=138 | LAP-M with V.42bis data compression |
| FEATURE NEGOTIATION OPTIONS | |
| Type: | Register |
| Format: | AT [cmds] S48= n [cmds] |
| Description: | Selects active error correction and compression protocols |
| Command | Function |
| S48=0 | Detection negotiation disabled, XID negotiation disabled, enable LAPM |
| S48=7 | Detection negotiation and XID negotiation enabled |
| S48=128 | Fall-back to options set in S36 |