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MX-2442BSR

CALPAK CORPORATION

MX-2442BSR

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

2400bps

Maximum Fax Rate

9600bps

Data Bus

8-bit ISA

Fax Class

Unidentified

Data Modulation Protocol

Unidentified

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Line in

CN2

BASE I/O ADDRESS SELECTION

Port

SW1/A

SW1/C

SW1/E

SW1/F

» COM1: (3F8h)

Off

On

Off

On

COM2: (2F8h)

On

Off

Off

On

COM3: (3E8h)

Off

On

On

Off

COM4: (2E8h)

On

Off

On

Off

INTERRUPT SELECTION

IRQ

SW/B

SW1/D

JP1

3

On

Off

Pins 2 & 4 closed

» 4

Off

On

Pins 2 & 4 closed

5

Off

Off

Pins 3 & 4 closed

7

Off

Off

Pins 1 & 2 closed

Note: Location of JP1 is unidentified.

Proprietary AT Command Set

ACCEPT RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \U [cmds]

Example:

AT \U B1<CR>

Description:

Accepts remote modem’s request for reliable link.

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Configuration

Format:

AT [cmds] %An [cmds]

Example:

AT%A19<CR>

Default:

19

Range:

0-127

Unit:

ASCII

Description:

Sets the character used as the auto-reliable fallback character. %A0 will disable this function.

AUTO-RELIABLE TIME BUFFER CONFIGURATION

Type:

Configuration

Format:

AT [cmds] \Cn [cmds]

Example:

AT \C1 &W<CR>

Description:

Controls the handling of incoming data during auto-reliable time period.

Command

Function

\C0

Data is discarded.

\C1

Data is buffered.

\C2

Data is discarded, modem returns to normal mode on receiving auto-reliable fallback character.

BIT-MAPPED REGISTER S14

Format

AT [cmds] S14=n [cmds]

Example:

ATS14=0<CR>

Default:

Unidentified

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

1

Command echo disabled.

Command echo enabled.

2

0

1

Result codes enabled.

Result codes disabled.

3

0

1

Display result codes in numeric format.

Display result codes in verbose format.

4

0

1

Smart mode.

Dumb mode.

5

0

1

Tone dial enabled.

Pulse dial enabled.

6

0

Not used.

7

0

1

Answer mode enabled.

Originate mode enabled.

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Example:

ATS21=0<CR>

Default:

Unidentified

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

0

1

Selects RJ-11 jack.

Not used.

1

0

1

Serial

Paralell

2

0

1

CTS follows RTS.

CTS forced high.

4, 3

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

0

1

DCD forced high.

DCD normal.

6

0

1

DSR forced high.

DSR normal.

7

0

1

Long Space Disconnect function disabled.

Long Space Disconnect function enabled.

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22=n [cmds]

Example:

ATS22=0<CR>

Default:

Unidentified

Range:

0-127

Unit:

Bit-mapped

Description:

Controls speaker volume and controls, and limits results codes.

Bit

Value

Function

1, 0

00

01

10

11

Off volume.

On volume.

Medium level volume.

High level volume.

3, 2

00

01

10

11

Speaker off.

Speaker off on carrier.

Speaker always on.

Speaker on during handshake.

6, 5, 4

000

100

101

110

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]

Example:

ATS23=0<CR>

Default:

Unidentified

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

1

Remote digital loopback denied.

Remote digital loopback allowed.

2, 1

000

001

010

011

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.

3

0

Not used.

5,4

00

01

10

11

Parity even.

Space Parity.

Parity odd.

Mark/No Parity.

7, 6

00

01

10

Guard tone disabled.

Guard tone 550Hz enabled.

Guard tone 1800Hz enabled.

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Example:

AT S27=0 <CR>

Default:

Unidentified

Range:

0 - 108

Unit:

Bit-mapped

Description:

Selects sync/async mode, Line type, internal clock, and ITU-T/Bell modes.

Bit

Value

Function

3, 1, 0

000

001

010

011

100

Asynchronous mode, serial port speed follows connect speed.

Asynchronous command mode and synchronous connect mode.

Asynchronous command mode and synchronous connect mode, DTR dialing enabled.

Asynchronous command mode on low DTR, synchronous connect mode on high DTR.

Hayes AutoSync™ mode - serial port locked at 9600bps.

2

0

1

Dial up line.

Leased line.

5, 4

00

01

10

Internal DCE transmit clock source.

External DTE transmit clock source.

Remote DCE transmit clock source.

6

0

1

CCITT mode.

Bell mode.

BIT-MAPPED REGISTER S36

Format

AT [cmds] S36=n [cmds]

Example:

ATS36=0<CR>

Default:

Unidentified

Range:

0 - 207

Unit:

Bit-mapped

Description:

Selects connect mode, flow control, XON/XOFF flow control, and DTE port flow control.

Bit

Value

Function

1, 0

00

01

10

11

Normal mode enabled.

Direct mode enabled.

Reliable mode enabled.

Auto-reliable mode enabled.

2

0

1

Flow control disabled.

Flow control enabled.

3

0

1

XON/XOFF signals trapped by local modem.

XON/XOFF passed through local modem.

5, 4

0

Not used.

6, 7

00

01

10

11

Flow control disabled.

XON/XOFF flow control enabled.

CTS flow control to DTE enabled.

RTS/CTS flow control enabled.

BIT-MAPPED REGISTER S38

Format

AT [cmds] S38=n [cmds]

Example:

ATS38=40<CR>

Default:

Unidentified

Range:

0 - 158

Unit:

Bit-mapped

Description:

Controls auto-reliable buffer, lock serial port speed, data echo, extended result codes, and transmit break.

Bit

Value

Function

1, 0

00

01

10

Data is discarded.

Data is buffered.

Data is discarded, modem returns to normal mode on receiving auto-reliable fallback character.

2

0

1

Serial speed locked.

Serial speed follows connect speed.

3

0

1

Data echo disabled.

Data echo enabled.

4

0

1

Extended result codes disabled.

Extended result codes enabled.

6, 5

0

Not used.

7

0

1

300ms break not transmitted.

300ms break transmitted.

BIT-MAPPED REGISTER S40

Format

AT [cmds] S40=n [cmds]

Example:

ATS40=0<CR>

Default:

Unidentified

Range:

0 - 163

Unit:

Bit-mapped

Description:

Controls MNP block size, and break type.

Bit

Value

Function

1, 0

00

01

10

11

Maximum MNP block size is 64 characters.

Maximum MNP block size is 128 characters.

Maximum MNP block size is 192 characters.

Maximum MNP block size is 256 characters.

2, 3, 4

0

Not used.

5, 6, 7

000

001

010

011

100

101

Online command mode enabled, send no break to remote modem.

Break sent to remote modem and buffered cleared.

Online command mode enabled, send no break to remote modem.

Send break to remote modem immediately.

Online command mode enabled, send no break to remote modem.

Send break with transmitted data.

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Example:

AT \B3 &W<CR>

Range:

1-9

Unit:

.1 second

Description:

Sends break to modem.

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Example:

AT \K5 <CR>

Description:

Configures action of break signal.

Command

Function

\K0

Online command mode enabled, send no break to remote modem.

\K1

Break sent to remote modem and buffered cleared.

\K2

Online command mode enabled, send no break to remote modem.

\K3

Send break to remote modem immediately.

\K4

Online command mode enabled, send no break to remote modem.

\K5

Send break with transmitted data.

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Example:

AT \V1 %C0 &W<CR>

Description:

Selects data compression.

Command

Function

%C0

Data compression disabled.

%C1

Data compression enabled.

COMPRESSION

Type:

Register

Format:

AT [cmds] S41=n [cmds]

Example:

AT S41=0 &W<CR>

Description:

Selects data compression.

Command

Function

S41=0

Data compression disabled.

S41=1

Data compression enabled.

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Example:

AT \N0 DT555-1212<CR>

Description:

Sets connect mode.

Command

Function

\N0

Normal mode enabled.

\N1

Direct mode enabled.

\N2

Reliable mode enabled.

\N3

Auto-reliable mode enabled.

CONVERT TO RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \Y [cmds]

Example:

AT \Y<CR>

Description:

Initiates reliable mode link.

ECHO DATA

Type:

Configuration

Format:

AT [cmds] \En [cmds]

\Example:

AT \E0 <CR>

Description:

Enables modem to echo received data.

Command

Function

\E0

Data echo disabled.

\E1

Data echo enabled.

ENTRY FORMAT

Type:

Configuration

Format:

AT [cmds] +En [cmds]

Example:

AT +E1 &W<CR>

Description:

Selects format flag.

Command

Function

+E0

Reset format flag enabled.

+E1

Binary format flag enabled.

+E2

Hex format flag enabled.

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Example:

AT \V0 %C1<CR>

Description:

Selects extended result codes.

Command

Function

\V0

Extended result codes disabled.

\V1

Extended result codes enabled.

FAX MODE

Type:

Configuration

Format:

AT [cmds] +Fn [cmds]

Example:

AT +F1 &W<CR>

Description:

Controls fax mode.

Command

Function

+F0

Fax mode disabled.

+F1

Fax mode enabled, DTE rate set to nbps.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Example:

AT \G1 &K3<CR>

Description:

Selects modem port flow control.

Command

Function

\G0

Flow control disabled.

\G1

Flow control enabled.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] +Kn [cmds]

Example:

AT +K4 &W<CR>

Description:

Sets type of flow control used by DTE.

Command

Function

+K0

Flow control disabled.

+K3

CTS flow control to DTE enabled.

+K4

XON/XOFF flow control enabled.

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

Example:

AT \Q0 A <CR>

Description:

Sets type of flow control used by modem.

Command

Function

\Q0

Flow control disabled.

\Q1

XON/XOFF flow control enabled.

\Q2

CTS flow control to DTE enabled.

\Q3

RTS/CTS flow control enabled.

INACTIVITY TIMER

Type:

Configuration

Format:

AT [cmds] \Tn [cmds]

Example:

AT\T20<CR>

Default:

Unidentified

Range:

0-90

Unit:

1 minute

Description:

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

LOCK SERIAL PORT

Type:

Configuration

Format:

AT [cmds] \Jn [cmds]

Example:

AT %L3 %B14 \J0<CR>

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]

Example:

AT \A3 %C1<CR>

Description:

Sets the maximum transmittable block size.

Command

Function

\A0

Maximum MNP block size is 64 characters.

\A1

Maximum MNP block size is 128 characters.

\A2

Maximum MNP block size is 192 characters.

\A3

Maximum MNP block size is 256 characters.

ON-LINE IN RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \O

Example:

AT \O <CR>

Description:

Returns to on-line and requests reliable mode connection.

ON/OFF FAX TRANSMITTER

Type:

Configuration

Format:

AT [cmds] +Dn [cmds]

Example:

AT +D2 &W<CR>

Description:

Controls fax transmitter.

Command

Function

+D0

Fax transmitter disabled.

+D1

Fax transmitter V.21 enabled.

+D2

Fax transmitter V.27/2400bps enabled.

+D3

Fax transmitter V.27/4800bps enabled.

PAGES TO TRANSMIT

Type:

Configuration

Format:

AT [cmds] +Pn [cmds]

Example:

AT+P6<CR>

Default:

Unidentified

Range:

1-255

Unit:

1 page

Description:

Sets the number of pages to be transmitted.

RESOLUTION

Type:

Configuration

Format:

AT [cmds] +Rn [cmds]

Example:

AT +R0 &W<CR>

Description:

Controls the resolution of fax transmission and receiving.

Command

Function

+R0

Normal resolution enabled.

+R1

Fine resolution enabled.

SPEED

Type:

Configuration

Format:

AT [cmds] +Bn [cmds]

Example:

AT +B5 &W<CR>

Description:

Selects fax baud rate.

Command

Function

+B4

Transmit at 2400bps

+B5

Transmit at 4800bps

+B6

Transmit at 7200bps.

+B7

Transmit at 9600bps.

SWITCH TO MNP MODE

Type:

Immediate

Format:

AT [cmds] \Z [cmds]

Example:

AT \Z &W<CR>

Description:

Switches to normal mode from MNP mode.

TEST MODES

Format

AT [cmds] S16=n [cmds]

Example:

ATS16=0<CR>

Default:

Unidentified

Range:

0-125

Unit:

Bit-mapped

Description:

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

Bit

Value

Function

0

0

1

Local analog loopback not in progress.

Local analog loopback in progress.

1

0

Not used.

2

0

1

Local digital loopback not in progress.

Local digital loopback in progress.

3

0

1

Modem not in remote digital loopback.

Remote digital loopback in progress.

4

0

1

Remote digital loopback not requested.

Remote digital loopback requested.

5

0

1

Remote digital loopback w/ self-test not in progress.

Remote digital loopback w/ self-test in progress.

6

0

1

Local analog loopback w/ self-test not in progress.

Local analog loopback w/ self-test in progress.

TEST MODES

Type:

Immediate

Format:

AT [cmds] +Tn [cmds]

Example:

AT +T1 &W<CR>

Description:

Selects the type of test the fax will perform.

Command

Function

+T0

Test mode disabled.

+T1

Test mode 1, reports frames received in ASCII Hex.

+T2

Test mode 2; reports frames received in ASCII Hex, KDV output follows CD in fax CPM mode.

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Example:

AT \X0 O<CR>

Description:

Selects whether XON/XOFF signals are sent to remote modem.

Command

Function

\X0

XON/XOFF signals trapped by local modem.

\X1

XON/XOFF passed through local modem.