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# PROMETHEUS PRODUCTS, INC
CYBERPHONE PCI144IV/PCI144IVSP
Card Type Modem
Chip Set Unidentified
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus 16-bit ISA
I/O Options Speakerphone (PC144ivsp), microphone
(PC144ivsp).
Fax Class Class II
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 V.33
Error MNP5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | Microphone out | CN4 |
|--------------------+---------+----------------------+------|
| Line in | CN2 | 4-pin sound card out | CN5 |
|--------------------+---------+----------------------+------|
| Speaker out | CN3 | | |
+------------------------------------------------------------+
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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode options |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| &Q0 | Asynchronous mode |
|--------------+---------------------------------------------|
| &Q5 | Error correction mode |
|--------------+---------------------------------------------|
| &Q6 | Buffered asynchronous mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATION PROTOCOLS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol for data |
| | calls |
|--------------+---------------------------------------------|
| Note: | The B command allows the simultaneous |
| | selection of more than one suffix, enabling |
| | multiple protocols. |
|--------------+---------------------------------------------|
| Command | Protocol |
|--------------+---------------------------------------------|
| B0 | ITU-T V.21/V.22 |
|--------------+---------------------------------------------|
| B1 | Bell 103/212A |
|--------------+---------------------------------------------|
| B2 | ITU-T V.23 |
|--------------+---------------------------------------------|
| B3 | ITU-T V.23 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects class 5 MNP data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | MNP5 disabled |
|--------------+---------------------------------------------|
| %C1 | MNP5 enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode with buffered data enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode with non-buffered data enabled |
|--------------+---------------------------------------------|
| \N2 | MNP reliable mode enabled |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode enabled |
|--------------+---------------------------------------------|
| \N5 | V.42 auto-reliable and buffered mode |
| | enabled |
|--------------+---------------------------------------------|
| \N6 | V.42 auto-reliable and buffered mode with |
| | MNP enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is handshaking or |
| | connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| í S37=0 | Speed of last connection |
|--------------+---------------------------------------------|
| S37=1 | 75bps |
|--------------+---------------------------------------------|
| S37=2 | 110bps |
|--------------+---------------------------------------------|
| S37=3 | 300bps |
|--------------+---------------------------------------------|
| S37=5 | 1200bps |
|--------------+---------------------------------------------|
| S37=6 | 2400bps |
|--------------+---------------------------------------------|
| S37=7 | 4800bps |
|--------------+---------------------------------------------|
| S37=8 | 7200bps |
|--------------+---------------------------------------------|
| S37=9 | 9600bps |
|--------------+---------------------------------------------|
| S37=10 | 12.0Kbps |
|--------------+---------------------------------------------|
| S37=11 | 14.4Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| 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 .05 seconds 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; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DICTIONARY SIZES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds]%Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the size of the dictionary |
|------------------------------------------------------------|
| Command | Function |
|--------------------------+---------------------------------|
| %D0 | .5 KB |
|--------------------------+---------------------------------|
| %D1 | 1 KB |
|--------------------------+---------------------------------|
| %D2 | 2 KB |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CONTROL BUFFER MAXIMUM SIZE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S50=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 200 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Description: | The maximum size of the error control |
| | buffer |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CONTROL BUFFER MINIMUM SIZE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S49=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Description: | The minimum size of the error control |
| | buffer |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CORRECTION/COMPRESSION |
|------------------------------------------------------------|
| Type: | Register |
|------------------------------------------------------------|
| Format: | AT [cmds] S46=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects active error correction and |
| | compression protocols |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| S46=136 | LAP-M only, no compression |
|---------------+--------------------------------------------|
| í S46=138 | LAP-M with V.42bis data compression |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULT PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets values in active profile to values |
| | found in the default profile |
|------------------------------------------------------------|
| Command | Function |
|-----------------+------------------------------------------|
| &F0 | Returns modem to factory defaults |
|-----------------+------------------------------------------|
| &F3 | Returns modem to factory defaults |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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, protocol |
| | in S46 selected |
|---------------+--------------------------------------------|
| S48=3 | Reserved |
|---------------+--------------------------------------------|
| í S48=7 | Detection negotiation and XID negotiation |
| | enabled |
|---------------+--------------------------------------------|
| S48=128 | Fall-back to options set in S36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Responds with ERROR |
|--------------+---------------------------------------------|
| &K1 | DTE flow control disabled |
|--------------+---------------------------------------------|
| &K2 | DTE flow control disabled |
|--------------+---------------------------------------------|
| &K3 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| &K4 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K5 | Transparent XON/XOFF flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled |
|--------------+---------------------------------------------|
| \Q1 | Bidirectional XON/XOFF flow control |
| | enabled; RTS/CTS bidirectional |
|--------------+---------------------------------------------|
| \Q2 | CTS flow control by DCE enabled |
|--------------+---------------------------------------------|
| \Q3 | Bidirectional RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| \Q4 | Unidirectional XON/XOFF flow control by DCE |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NEGOTIATING CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables progress messages about negotiation |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| W0 | Disable negotiation progress messages |
|--------------+---------------------------------------------|
| W1 | Enable negotiation progress messages |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NEGOTIATION FALLBACK |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S36=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the action of the modem if it fails |
| | to connect with the error-correction |
| | protocol set in &Q. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S36=0 | Hang up |
|--------------+---------------------------------------------|
| S36=1 | Attempt a direct connection |
|--------------+---------------------------------------------|
| S36=2 | Reserved |
|--------------+---------------------------------------------|
| S36=3 | Attempt a buffered connection |
|--------------+---------------------------------------------|
| S36=4 | Attempt a connection at MNP2-4; if that |
| | fails, hang up. |
|--------------+---------------------------------------------|
| S36=5 | Attempt a connection at MNP2-4; if that |
| | fails, attempt a direct connection. |
|--------------+---------------------------------------------|
| S36=6 | Reserved |
|--------------+---------------------------------------------|
| í S36=7 | Attempt a connection at MNP2-4; if that |
| | fails, attempt a buffered connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NO CARRIER TIME-OUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S7=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 40 |
|--------------+---------------------------------------------|
| Range: | 1-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum wait time the modem uses after |
| | dialing to detect a carrier signal from the |
| | remote modem for both originating and |
| | answering calls. |
|--------------+---------------------------------------------|
| Note: | W dial modifier also uses S7 to set the |
| | maximum time to wait. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] On [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls on-line command (data |
| | transmission) state options. |
|--------------+---------------------------------------------|
| Note: | The O command must be placed at the end of |
| | the command string. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| O0 | Return to command mode |
|--------------+---------------------------------------------|
| O1 | Retraining sequence enabled |
|--------------+---------------------------------------------|
| O3 | V.32bis renegotiating sequence enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE DIALING RATIO |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects pulse dial make/break ratio |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &P0 | 39/61ms at 10pps (North America) |
|--------------+---------------------------------------------|
| &P1 | 33/67ms at 10pps (Europe) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports modem product code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Responds with OK |
|--------------+---------------------------------------------|
| I3 | Reports version information for firmware |
|--------------+---------------------------------------------|
| I4 | Reports configuration settings |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables modem to send result codes to the |
| | DTE |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| Q0 | Result code sending enabled |
|--------------+---------------------------------------------|
| Q1 | Result code sending disabled |
|--------------+---------------------------------------------|
| Q2 | Report call progress if modem is in |
| | originate mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRELLIS CODING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Un [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables Trellis coding at V.32 9600bps |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| &U0 | Trellis coding enabled |
|-----------------------+------------------------------------|
| &U1 | Trellis coding disabled |
+------------------------------------------------------------+