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 Protocol

Bell 103A/212A

ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis

Fax Modulation Protocol

ITU-T V.17, V.21CH2, V.27ter, V.29, V.33

Error Correction/Compression

MNP5, V.42, V.42bis

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