UNIDENTIFIED

V.32/32BIS FAX/DATA MODEM

Card Type

Modem (synchronous/asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

8-bit ISA

Fax Class

Class I & II

Data Modulation Protocol

Bell 103/212A

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

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line in

CN1

Line out

CN2

SERIAL PORT ADDRESS/INTERRUPT

Setting

Setting

JP1/1

JP1/2

JP1/3

JP1/4

JP1/5

JP1/6

COM1 (3F8h)

IRQ4

Open

Closed

Closed

Closed

Open

Open

COM2 (2F8h)

IRQ3

Open

Closed

Open

Open

Closed

Closed

COM3 (3E8h)

IRQ4

Closed

Open

Closed

Closed

Open

Open

COM4 (2E8h)

IRQ3

Closed

Open

Open

Open

Closed

Closed

Proprietary AT Command Set

AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Selects auto-retrain mode

Command

Function

í %E0

Auto-retrain disabled

%E1

Auto-retrain enabled

BIT-MAPPED REGISTER S14

Format

AT [cmds] S14=n [cmds]

Default:

138

Range:

0-174

Unit:

Bit-mapped

Description:

Controls echo, result codes, result code display, dial mode, and answer/originate mode.

Bit

Value

Function

0

0

Not used

1

0

í 1

Command echo disabled

Command echo enabled

2

í 0

1

Result codes disabled

Result codes enabled

3

0

í 1

Display result codes in numeric format

Display result codes in verbose format

4

0

Not used

5

í 0

1

Tone dial enabled

Pulse dial enabled

6

0

Not used

7

0

í 1

Answer mode enabled

Originate mode enabled

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Default:

4

Range:

0-253

Unit:

Bit-mapped

Description:

Selects jack type, CTS signal, low DTR action, DCD signal, DSR signal, and the long space disconnect function.

Bit

Value

Function

0

í 0

1

Selects RJ-11 jack

Selects RJ-12 or RJ-13 jack

1

0

Not used

2

0

í 1

CTS follows RTS

CTS forced high

4, 3

í 00

01

10

11

DTR signal ignored

Modem goes to command mode on low DTR

Modem disconnects on low DTR. Auto-Answer is disabled.

Modem is initialized on low DTR

5

í 0

1

DCD forced high

DCD normal

6

í 0

1

DSR forced high

DSR normal

7

í 0

1

Long space disconnect function disabled

Long space disconnect function enabled

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22=n [cmds]

Default:

118

Range:

0-126

Unit:

Bit-mapped

Description:

Controls speaker volume and controls, and limits results codes.

Bit

Value

Function

1, 0

00

01

í 10

Speaker off

Low volume

Medium level volume

3, 2

00

í 01

10

11

Speaker off

Speaker off on carrier

Speaker always on

Speaker on during handshake

6, 5, 4

000

100

101

110

í 111

Basic result codes only enabled

Basic and connection speed result codes enabled

Basic and connection speed result codes and dialtone detection enabled

All result codes except dialtone detection enabled

All result codes enabled

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Default:

183

Range:

0-189

Unit:

Bit-mapped

Description:

Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.

Bit

Value

Function

0

0

í 1

Remote digital loopback denied

Remote digital loopback allowed

3, 2, 1

000

001

010

í 011

100

101

110

Sets serial port speed to 0-300bps

Sets serial port speed to 600bps

Sets serial port speed to 1200bps

Sets serial port speed to 2400bps

Sets serial port speed to 4800bps

Sets serial port speed to 9600bps

Sets serial port speed to 19200bps

5,4

00

01

10

í 11

Parity even

Not used

Space Parity

No Parity

7, 6

00

01

í 10

Guard tone disabled

Guard tone disabled

Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Default:

9

Range:

0-110

Unit:

Bit-mapped

Description:

Selects synchronous/asynchronous mode, line type, clock source, and ITU-T/Bell modes.

Bit

Value

Function

3, 1, 0

000

001

010

011

100

í 101

110

Asynchronous mode

Synchronous mode

Synchronous mode, DTR dialing enabled

Synchronous mode, DTR forced high

Synchronous mode

ERROR CORRECTION mode

Buffered asynchronous mode

2

í 0

1

Dial up line

Leased line

5, 4

í 00

01

10

Modem generates clock

DTE generates clock

Modem generates clock from the receive carrier signal

6

í 0

1

CCITT mode

Bell mode

BIT-MAPPED REGISTER S28

Format

AT [cmds] S28=n [cmds]

Default:

0

Range:

0-24

Unit:

Bit-mapped

Description:

Controls pulse dialing

Bit

Value

Function

2 - 0

0

Not used

4, 3

í 00

01

10

11

39ms make/61ms break at 10pps

33ms make/67ms break at 10pps

39ms make/61ms break at 20pps

33ms make/67ms break at 20pps

BIT-MAPPED REGISTER S31

Format

AT [cmds] S31=n [cmds]

Default:

2

Range:

0-10

Unit:

Bit-mapped

Description:

Controls auto-baud function and result codes.

Bit

Value

Function

0

0

Not used

1

0

í 1

Auto-baud disabled

Auto-baud enabled

3, 2

í 00

01

10

DTE speed displayed in result codes

Extended result codes enabled; DCE speed displayed in result codes.

DCE speed displayed in result codes

BIT-MAPPED REGISTER S40

Format

AT [cmds] S40=n [cmds]

Default:

104

Range:

0-232

Unit:

Bit-mapped

Description:

Selects break type and MNP block size.

Bit

Value

Function

2 - 0

0

Not used

5, 4, 3

000

001

010

011

100

í 101

\K0

\K1

\K2

\K3

\K4

\K5

7, 6

00

í 01

10

11

MNP block size is 64 characters

MNP block size is 128 characters

MNP block size is 192 characters

MNP block size is 256 characters

BIT-MAPPED REGISTER S41

Format

AT [cmds] S41=n [cmds]

Default:

3

Range:

0-31

Unit:

Bit-mapped

Description:

Selects compression, auto-retrain, flow control, and MNP mode.

Bit

Value

Function

1 - 0

00

01

10

í 11

Data compression disabled

MNP5 enabled

V.42bis enabled

MNP5 and V.42bis enabled

2

í 0

1

Auto-retrain disabled

Auto-retrain enabled

3

í 0

1

Flow control disabled

Flow control enabled

4

í 0

1

Stream mode for MNP

Block mode for MNP

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Default:

3

Range:

1-9

Unit:

.1 second

Description:

Sends break to modem

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Break from DTE

Reliable/Normal mode

Break from DTE

Direct mode

Break from remote modem

\K0

Enter command mode, do not send break to remote modem

Send break to remote modem immediately, then enter command mode

Buffers cleared and break sent to DTE

\K1

Buffers cleared and break sent to remote modem

Send break to remote modem immediately

Buffers cleared and break sent to DTE

\K2

Enter command mode, do not send break to remote modem

Send break to remote modem immediately, then enter command mode

Send break to DTE immediately

\K3

Send break to remote modem immediately

Send break to remote modem immediately

Send break to DTE immediately

\K4

Enter command mode, do not send break to remote modem

Send break to remote modem immediately, then enter command mode

Break sent with received data to the DTE

í \K5

Send break with transmitted data

Send break to remote modem immediately

Break sent with received data to the DTE

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

%C1

MNP5 enabled

%C2

V.42bis enabled

í %C3

Both MNP5 and V.42bis

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Sets connect mode

Command

Function

\N0

Normal mode enabled

\N1

Direct mode enable

\N2

Reliable mode enabled

\N3

Auto-reliable mode enabled

\N4

LAPM mode enabled

\N5

MNP mode enabled

DISPLAY RECEIVED SIGNAL LEVEL

Type

Immediate

Format

AT [cmds] %L [cmds]

Range

9-43

Unit

-1 dBm

Description

Returns received signal level

FLASH DIAL MODIFIER TIME

Type

Register

Format

AT [cmds] S29=n [cmds]

Default:

0

Range:

0-255

Unit:

.1 seconds

Description:

Time the modem will go on-hook upon receiving the ! dial modifier in dial string.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Description:

Selects modem port flow control

Command

Function

í \G0

Flow control disabled

\G1

Flow control enabled

FLOW CONTROL CHARACTER - XOFF

Type:

Register

Format:

AT [cmds] S33=n [cmds]

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]

Default:

17

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XON

LOCK SERIAL PORT

Type:

Configuration

Format:

AT [cmds] \Jn [cmds]

Description:

Sets operation of serial port speed

Command

Function

\J0

Serial speed locked

\J1

Serial speed follows connect speed

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

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

í \A3

MNP block size is 256 characters

MNP STREAM/BLOCK MODE

Type:

Configuration

Format:

AT [cmds] \Ln [cmds]

Description:

Selects the transfer mode for MNP

Command

Function

\L0

Stream mode for MNP enabled

\L1

Block mode for MNP enabled

SLEEP TIMER

Type

Register

Format

AT [cmds] S24=n [cmds]

Default

0

Range

0-255

Unit

10 seconds

Description

Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.

TEST MODES

Format

AT [cmds] S16=n [cmds]

Default:

0

Range:

0-125

Unit:

Bit-mapped

Description:

Controls loopback tests, analog, digital, remote digital, and self tests.

Bit

Value

Function

0

í 0

1

Local analog loopback not in progress

Local analog loopback in progress

1

0

Not used

2

í 0

1

Local digital loopback not in progress

Local digital loopback in progress

3

í 0

1

Remote digital loopback not requested

Remote digital loopback requested

4

í 0

1

Modem not in remote digital loopback

Remote digital loopback in progress

5

í 0

1

Remote digital loopback w/ self-test not in progress

Remote digital loopback w/ self-test in progress

6

í 0

1

Local analog loopback w/ self-test not in progress

Local analog loopback w/ self-test in progress