CARDINAL TECHNOLOGIES, INC.

14400BPS-V.32BIS V.42 BIS FAX (INT)

Card Type

Fax, Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

Unidentified

Data Bus

8-bit ISA

Fax Class

Unidentified

Data Modulation Protocol

Bell 103/212A

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

Fax Modulation Protocol

Unidentified

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line out/in

CN1

Line in/out

CN2

SERIAL PORT ADDRESS

Setting

SW1/A

SW1/B

COM1 (3F8h)

On

On

COM2 (2F8h)

Off

On

COM3 (3E8h)

On

Off

COM4 (2E8h)

Off

Off

INTERRUPT SELECTION

Setting

SW1/C

SW1/D

P3/Pins 1 & 2

P3/Pins 2 & 3

2

N/A

N/A

Open

Closed

3

Off

On

N/A

N/A

4

On

Off

N/A

N/A

5

N/A

N/A

Closed

Open

Proprietary AT Command Set

ACCEPT RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \U [cmds]

Description:

Accept remote modem’s request for reliable mode

BIT MAPPED REGISTERS

Register

Default

S14

Unidentified

S16

Unidentified

S21

Unidentified

S22

Unidentified

S23

Unidentified

S27

Unidentified

S40

Unidentified

S41

Unidentified

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Break from DTE during Normal or V.42/V.42bis/MNP mode

Break received from remote modem during Normal mode

Break received from DTE during Direct mode

\K0

Online command mode enabled, send no break to remote modem

Break sent to remote modem and buffers cleared

Online command mode enabled, send no break to remote modem

\K1

Break sent to remote modem and buffers cleared

Break sent to remote modem and buffers cleared

Send break to remote modem immediately

\K2

Online command mode enabled, send no break to remote modem

Break sent immediately to DTE

Online command mode enabled, send no break to remote modem

\K3

Send break to remote modem immediately

Break sent immediately to DTE

Send break to remote modem immediately

\K4

Online command mode enabled, send no break to remote modem

Break sent with received data to the DTE

Online command mode enabled, send no break to remote modem

í \K5

Send break with transmitted data

Break sent with received data to the DTE

Send break to remote modem immediately

CLEAR V.42bis DICTIONARY

Type:

Immediate

Format:

AT [cmds] %Pn [cmds]

Description:

Clears the V.42bis dictionary

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

í %C1

MNP5 enabled

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode

Command

Mode

&M0

Asynchronous mode, serial port speed follows connect speed

&M1

Not used

&M2

Not used

&M3

Not used

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Qn [cmds]

Description:

Selects communications mode options

Command

Mode

&Q0

Asynchronous mode, serial port speed follows connect speed

&Q1

Not used

&Q2

Not used

&Q3

Not used

&Q4

Reports ‘OK’

í &Q5

Error correction mode

&Q6

Asynchronous mode, buffered asynchronous mode

&Q7

Not used

&Q8

MNP mode

&Q9

V.42/42bis mode

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 enabled

\N1

Direct mode enabled

\N2

Reliable mode enabled

í \N3

Auto-reliable mode enabled

CONVERT TO RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \Y [cmds]

Description:

Converts to reliable mode from normal or direct mode

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.

Modifier

Function

L

Re-dial last number

P

Pulse dialing enabled

R

Answer mode enabled, originate mode disabled following handshake initiation

Sn or S=n

Dial stored telephone number n

T

Tone dialing enabled

W

Dialing resumed following dial tone detection

,

Dialing paused for amount of time specified in S8 register

!

Modem commanded to go off-hook for specified time before returning on-hook

@

Wait for quiet answer

;

Modem returned to command state after dialing

INACTIVITY TIMER

Type:

Configuration

Format:

AT [cmds] \Tn [cmds]

Default:

0

Range:

0-42

Unit:

1 minute

Description:

Sets the length of time that the modem does not receive information before it disconnects.

Note:

AT\T0 will disable timer.

INITIATE RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \O [cmds]

Description:

Initiates reliable mode from normal or direct mode

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports modem product code

I1

Reports firmware checksum

I2

Tests and reports firmware checksum

I3

Reports product version information

V.42bis - COMPRESSION CONTROL

Type:

Configuration

Format:

AT [cmds] %Mn [cmds]

Description:

Controls V.42bis data compression

Command

Function

%M0

V.42bis disabled

%M1

V.42bis when transmitting enabled

%M2

V.42bis when receiving enabled

í %M3

V.42bis when transmitting/receiving enabled

V.42bis - DICTIONARY SIZE

Type:

Configuration

Format:

AT [cmds] %Dn [cmds]

Description:

Select V.42 dictionary size

Command

Function

%D0

Select 512 bytes

%D1

Select 1024 bytes

í %D2

Select 2048 bytes

%D3

Select 4096 bytes (one-way only)

V.42bis - MAXIMUM STRING LENGTH

Type:

Immediate

Format:

AT [cmds] %Sn [cmds]

Default:

32

Range:

6-250

Unit:

Characters

Description:

Selects string size for V.42bis compression