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BOCAMODEM 14.4 PCMCIA (M144PA)

BOCA RESEARCH, INC.

BOCAMODEM 14.4 PCMCIA (M144PA)

Card Type

Fax, Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

Maximum Fax Rate

14.4Kbps

Data Bus

PCMCIA Type II

Fax Class

Class I

Data Modulation Protocol

Bell 103A/212A

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

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42bis

V1811

Proprietary AT Command Set

ACCEPT RELIABLE MODE

Type:

Configuration

Format:

AT [cmds] \U [cmds]

Description:

Accepts remote modemís request for reliable link

AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

Format:

AT [cmds] %Gn [cmds]

Description:

Selects auto-fallback/fall-forward

Command

Function

í %G1

Auto-fallback/fall-forward disabled

%G0

Auto-fallback/fall-forward enabled

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Configuration

Format:

AT [cmds] %An [cmds]

Default:

None

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]

Description:

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

Command

Function

í \C0

Data is discarded

\C1

Data is buffered for 4 seconds, 200 characters or SYN detected, switch to reliable mode

\C2

Data is discarded, switch to normal mode on receipt of auto reliable fallback character and pass character to DTE

AUTO-RETRAIN

Type:

Configuration

Format:

AT %En

Description:

Selects auto-retrain mode

Command

Function

%E0

Auto-retrain disabled

í %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

6,2

í 0

1

Display result codes in numeric format

Display result codes in verbose format

3

0

Not used

4

0

1

Dumb mode disabled

Dumb mode enabled

5

í 0

1

Tone dial enabled

Pulse dial enabled

7

0

í 1

Answer mode enabled

Originate mode enabled

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Default:

48

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, RJ-41S, or RJ45S jack

Selects RJ-12 or RJ-13 jack

1

0

Not used

2

í 0

1

CTS follows RTS

CTS forced high

4, 3

00

01

í10

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

í1

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:

None

Range:

0-255

Unit:

Read only

Description:

Displays speaker volume and controls, result codes and make/break ratio

Bit

Value

Function

1, 0

00

01

í 10

11

Off volume

On volume

Medium level volume

High 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

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

7

0

1

Make/Break pulse ratio is 39/61

Make/Break pulse ratio is 33/67

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Default:

None

Range:

0-255

Unit:

Read only

Description:

Displays status of remote digital loopback, DTE rate and parity and guard tone

Bit

Value

Function

0

0

í 1

Remote digital loopback denied

Remote digital loopback allowed

3, 2, 1

000

001

010

011

100

101

110

111

Sets serial port speed to 0-300bps

Sets serial port speed to 1200bps

Sets serial port speed to 2400bps

Sets serial port speed to 4800bps

Sets serial port speed to 7200bps

Sets serial port speed to 9600bps

Sets serial port speed to 19200bps

Sets serial port speed to 38400bps

5,4

í 00

01

10

11

Parity even

Not used

Parity odd

No Parity

7, 6

í 00

01

10

Guard tone disabled

Guard tone 550 enabled

Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Default:

None

Range:

0 - 127

Unit:

Read only

Description:

Displays status of 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 DTE transmit clock source

External DTE transmit clock source

Slave DTE transmit clock source

6

0

1

CCITT mode

Bell mode

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Default:

Unidentified

Range:

0-9

Unit:

.1 second

Description:

Sends break to modem

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Connected in Reliable mode

Command state in Reliable mode

Command state in Direct mode

Break received from remote modem

\K0

Online command mode enabled, send no break to remote modem

Break sent to remote modem and buffered cleared

Send break to remote modem immediately, Online command mode enabled

Buffers cleared, break sent to DTE

\K1

Break sent to remote modem and buffered cleared

Break sent to remote modem and buffered cleared

Send break to remote modem immediately

Buffers cleared, break sent to DTE

\K2

Online command mode enabled, send no break to remote modem

Send break to remote modem immediately

Send break to remote modem immediately, Online command mode enabled

Break sent immediately to DTE

\K3

Send break to remote modem immediately

Send break to remote modem immediately

Send break to remote modem immediately

Break sent immediately to DTE

\K4

Online command mode enabled, send no break to remote modem

Send break with transmitted data

Send break to remote modem immediately, Online command mode enabled

Break sent with received data to the DTE

í \K5

Send break with transmitted data

Send break with transmitted data

Send break to remote modem immediately

Break sent with received data to the DTE

CALLING TONE

Type:

Configuration

Format:

AT [cmds] -Cn [cmds]

Description:

Controls whether the DTE will allow the modem to send a 1300Hz calling tone when originating

Command

Function

í -C0

Disable calling tone

-C1

Enable calling tone

COMPRESSION

Type:

Configuration

Format:

AT %Cn

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

í %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 enabled

\N1

Direct mode enabled

\N2

MNP reliable mode enabled

í \N3

Auto-reliable mode enabled

\N4

V.42 reliable mode enabled

CONVERT TO MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \Y [cmds]

Description:

Converts to MNP reliable mode from normal or direct mode

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Description:

Selects extended result codes

Command

Function

í \V0

Extended result codes disabled

\V1

Modified MNP result codes enabled

\V2

Extended V.42 result codes enabled

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 TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

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

í \Q3

RTS/CTS flow control 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.

INACTIVITY TIMER

Type:

Register

Format:

AT [cmds] S90=n [cmds]

Default:

0

Range:

0-255

Unit:

1 minute

Description:

Sets the length of time that the modem does not receive information before it disconnects. S90=0 will disable

INITIATE MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \O [cmds]

Description:

Initiates MNP reliable mode from normal or direct mode

LOCK SERIAL PORT

Type:

Configuration

Format:

AT [cmds] \Jn [cmds]

Description:

Sets operation of serial port speed

Command

Function

í \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

LINE SIGNAL QUALITY

Type:

Immediate

Format:

AT [cmds] %Q [cmds]

Description:

Returns a value which indicates line signal quality

SWITCH TO NORMAL MODE

Type:

Immediate

Format:

AT [cmds] \Z [cmds]

Description:

Switches to normal mode from MNP mode

TEST MODES

Format

AT [cmds] S16=n [cmds]

Default:

None

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 disabled

Local analog loopback enabled

1

0

Not used

2

0

1

Local digital loopback disabled

Local digital loopback enabled

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 disabled

Remote digital loopback w/ self-test enabled

6

0

1

Local analog loopback w/ self-test disabled

Local analog loopback w/ self-test enabled

TEST TIMER

Type:

Register

Format

AT [cmds] S18=n [cmds]

Default:

0

Range:

0-255

Unit:

1 second

Description:

Sets the maximum duration for modem tests

Note: S18=0 disables the timer and allows an indefinite duration.

V.42 DETECTION PHASE

Type:

Configuration

Format:

AT [cmds] -Jn [cmds]

Description:

Controls V.42 detection

Command

Function

-J0

V.42 detection disabled

í -J1

V.42 detection enabled

V.42bis COMPRESSION CONTROL

Type:

Configuration

Format:

AT [cmds] "Hn [cmds]

Description:

Controls V.42bis data compression

Command

Function

"H0

V.42bis disabled

"H1

V.42bis when transmitting enabled

"H2

V.42bis when receiving enabled

í "H3

V.42bis when transmitting/receiving enabled

V.42bis MAXIMUM STRING LENGTH

Type:

Immediate

Format:

AT [cmds] "On [cmds]

Default:

16

Range:

6-250

Unit:

ASCII

Description:

Selects string size for V.42bis compression

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Description:

Selects whether XON/XOFF signals are sent to remote modem

Command

Function

í \X0

XON/XOFF signals trapped by local modem

\X1

XON/XOFF passed through local modem