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LC 144 VF

CREATIX POLYMEDIA

LC 144 VF

Card Type

Modem

Chip Set

Unidentified

I/O Options

25-pin serial port, power, microphone in, speaker jack

Maximum Data Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Fax Class

Class I & 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

Error Correction/Compression

MNP5, V.42, V.42bis

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

25-pin serial port

CN1

Speaker jack

CN3

Power

CN2

Microphone jack

CN4

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

PWR

Unidentified

On

Power is on

PWR

Unidentified

Off

Power is off

ONLN

Unidentified

On

Modem is switched to the transmission line

ONLN

Unidentified

Off

Modem is not switched to the transmission line

DSR

Unidentified

On

Answer tone is detected

DSR

Unidentified

Off

Answer tone not detected

DCD

Unidentified

On

Carrier signal detected

DCD

Unidentified

Off

Carrier signal not detected

CTS

Unidentified

On

Modem is ready to transmit data

CTS

Unidentified

Off

Modem is not ready to transmit data

RTS

Unidentified

On

Transmission is being requested

RTS

Unidentified

Off

Transmission is not being requested

DTR

Unidentified

On

Computer is ready for operation

DTR

Unidentified

Off

Computer is not ready for operation

 

 

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/

A, B, E, M, P, Q, T, V, W, X, Y, Z

&C, &F, &R, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

\A, \G, \J, \K, \L, \N

%C, %F

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16,S18, S24, S25, S26

S29, S30, S31, S32, S33, S38, S40, S95

V.25bis Commands

CIC, CRI, CRN, CRS, DIC, PRI, PRN, RLN

Note: See MHI Help File for full command documentation.

Proprietary AT Command Set

AUTO-MODE DETECTION

Type:

Configuration

Format:

AT [cmds] Nn [cmds]

Description:

Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.

Command

Function

N0

Auto-mode detection disabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake follows interface speed

N1

Auto-mode detection enabled.

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode

Command

Mode

&M0

Asynchronous mode

&M1

Synchronous connect mode and asynchronous off-line command mode.

&M2

Synchronous connect mode and asynchronous off-line command mode and set DTR high.

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Qn [cmds]

Description:

Selects communications mode options

Command

Mode

&Q0

Asynchronous mode

&Q1

Synchronous connect mode and asynchronous off-line command mode.

&Q2

Synchronous connect mode and asynchronous off-line command mode and set DTR high.

&Q4

Auto-synchronous mode

&Q5

Error correction mode

&Q6

Buffered asynchronous mode

 

 

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

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

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 1 second

D!

Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.

D^

Calling tone disabled

D;

Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

&K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

&K5

Transparent XON/XOFF flow control enabled

&K6

RTS/CTS & XON/XOFF flow control enabled

GUARD TONE

Type:

Configuration

Format:

AT [cmds] &Gn [cmds]

Description:

Commands the modem to transmit a guard tone in V.22/V.22bis

Note: Used primarily for international data transmission

Command

Function

&G0

Guard tone disabled

&G1

Guard tone disabled

&G2

1800Hz guard tone enabled

 

 

HOOK CONTROL

Type:

Immediate

Format:

AT [cmds] Hn [cmds]

Description:

Selects whether the modem is on-hook or off-hook

Command

Function

H0

Modem commanded to go on-hook (hang-up)

MODULATION & SPEED

Type:

Configuration

Format:

AT [cmds] Fn [cmds]

Description:

Selects interface speed and modulation

Command

Function

F0

Automatic speed negotiation

F1

V.21 or Bell 103 (ATB)

F3

V.23 75/1200bps

F4

V.22 at 1200bps

F5

V.22 at 2400bps; fallback to 1200bps

F6

V.32bis or V.32 at 4800bps

F7

V.32bis at 7200bps

F8

V32bis or V.32 at 9600bps

F9

V.32bis at 12.0Kbps

F10

V.32bis at 14.4Kbps

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

On-line command mode with no retraining enabled

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports ROM checksum

I2

Tests and reports ROM checksum

I3

Reports firmware version

I4

Reports device name

I5

Reports country code

I6

Reports data pump model

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume. Hardware currently limits speaker settings to on/off

Command

Function

í L0, L1

Low volume setting

L2

Medium volume setting

L3

High volume setting

 

EXTENDED 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

í %E0

Auto-retrain disabled

%E1

Auto-retrain enabled

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Description:

Sends break to modem. Break signal is fixed at 300ms

DISPLAY CONFIGURATION

Type:

Immediate

Format:

AT [cmds] \Sn [cmds]

Description:

Displays current modem configuration

DISPLAY STORED NUMBERS

Type:

Immediate

Format:

AT [cmds] \Fn [cmds]

Description:

Displays numbers stored with &Z

V.23 - SPLIT-SPEED

Type:

Configuration

Format:

AT [cmds] \Wn [cmds]

Description:

Controls V.23 split-speed mode

Command

Function

\W1

V.23 split-speed mode enabled

SPECIAL COMMANDS

DISPLAY PASSWORDS

Type:

Immediate

Format:

AT [cmds] *L [cmds]

Description:

Lists security passwords inserted into callback numbers (*P)

EXIT FROM REMOTE CONFIGURATION

Type:

Configuration

Format:

AT [cmds] *E [cmds]

Description:

Exits modem from remote setting. Valid only when modem is in remote setting (*R)

MNP - EXTENDED SERVICES

Type:

Configuration

Format:

AT [cmds] -Kn [cmds]

Description:

Selects MNP extended services

Command

Function

-K1

MNP extended services enabled

 

MNP10 - LINK NEGOTIATION

Type:

Configuration

Format:

AT [cmds] *Hn [cmds]

Description:

Sets the speed at which MNP10 link negotiation will occur

Command

Function

*H0

Link will be negotiated at highest possible speed

*H1

Link will be negotiated at 1200bps

PASSWORDS FOR AUTOMATIC CALLBACK

Type:

Immediate

Format:

AT [cmds] *Pn [cmds]

Range:

0-19

Unit:

ASCII

Description:

Stores passwords with their related telephone numbers. Password is a 6-12 digit string. Telephone number can be up to 40 characters.

REMOTE SECURITY CODE

Type:

Configuration

Format:

AT [cmds] *C [cmds]

Description:

Executes security code feature of remote setting. Password is a 6-12 digit string. Default password is QWERTY

REMOTE SETTING

Type:

Immediate

Format:

AT [cmds] *R [cmds]

Description:

Remote setting is available if the function is enabled and MNP connection is enabled

S(status) REGISTERS

BIT-MAPPED REGISTER S19

Format

AT [cmds] S19=n [cmds]

Range:

0-255

Unit:

Bit-mapped

Description:

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

Bit

Value

Function

0

0

Not used

1

0

1

BSC

HDLC

2

0

1

Address detector authorized

Address detector not authorized

3

0

1

NRZ1

NRZ

4

0

1

Mark idle

Flag or sync idle

5-7

0

Not Used

 

 

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Range:

0-253

Unit:

Bit-mapped

Description:

Selects CTS/DCD/DSR signals, low DTR action, and the long space disconnect function.

Bit

Value

Function

0-1

0

Not used

2

0

1

CTS forced high

CTS follows RTS

4, 3

0

Not used

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]

Range:

0-255

Unit:

Bit-mapped

Description:

Controls speaker volume and controls, limits results codes, and pulse dial make/break ratio.

Bit

Value

Function

1, 0

00

01

10

11

Low level volume

Low level 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 - 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

Not used

 

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

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

3 - 1

000

001

010

011

100

101

110

111

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

Sets serial port speed to >19200bps

5, 4

00

01

10

11

Parity even

Not used

Parity odd

Mark or No Parity

7, 6

00

01

10

Guard tone disabled

Guard tone disabled

Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Range:

0-111

Unit:

Bit-mapped

Description:

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

Bit

Value

Function

1, 0, 3

00

01

10

11

Asynchronous mode, serial port speed follows connect speed

Asynchronous off-line command mode and synchronous connect mode

Asynchronous off-line command mode; modem autodials first number in directory, then synchronous connect mode

Asynchronous off-line command mode on low DTR, synchronous connect mode on high DTR

2

0

Not Used

5, 4

00

01

10

Local modem generates transmit clock source

Local DTE generates transmit clock source

Impulse loop

6

0

1

ITU/T mode

Bell mode

7

0

Not Used

 

BIT-MAPPED REGISTER S28

Format

AT [cmds] S28=n [cmds]

Range:

0-31

Unit:

Bit-mapped

Description:

Controls V.23 split speed, transmit/receive speed, half duplex; and pulse dialing.

Bit

Value

Function

0

0

1

V.23 split speed operation disabled

V.23 split speed operation enabled

1

0

1

75bps transmit, 1200bps receive enabled

1200bps transmit, 75bps receive enabled

2

0

1

V.23 half-duplex disabled

1200bps transmit, 1200bps receive enabled

3-7

0

Not used

BIT-MAPPED REGISTER S41

Format

AT [cmds] S41=n [cmds]

Range:

0-31

Unit:

Bit-mapped

Description:

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

Bit

Value

Function

1 - 0

00

01

10

11

Data compression disabled

MNP5 enabled

V.42bis enabled

MNP5 and V.42bis enabled

2

0

1

Automatic retrain enabled

Automatic retrain disabled

3

0

1

Flow control disabled

Flow control enabled

4

0

1

Stream mode for MNP

Block mode for MNP

5-7

0

Not Used

BIT-MAPPED REGISTER S80

Format

AT [cmds] S80=n [cmds]

Range:

0-255

Unit:

Bit-mapped

Description:

Selects password protect, command switch

Bit

Value

Function

0-4

0

Not used

5

0

1

AT command set

V.25bis command set

6

0

1

Remote configuration enabled

Remote configuration disabled

7

0

1

Automatic callback not protected by password

Automatic callback protected by password

BREAK OPTIONS

Type:

Register

Format

AT [cmds] S82=n [cmds]

Description:

Sets the method for break transmission during error-control and ASB connections.

Command

Function

S82=3

Expedited signaling, immediately send timed break

S82=7

Destructive signaling, buffers cleared, immediately send timed break

S82=128

In-sequence signaling, timed break sent in sequence with transmitted data

 

CONNECTION FAILURE CODES

Type:

Register

Format

AT [cmds] S86? [cmds]

Description:

Reports codes which correspond to the possible causes of a connection failure

Value

Meaning

0

Normal hang up

4

Carrier signal lost

5

No error-control detected for remote modem during feature negotiation

9

No common protocol found

12

No failure - remote modem disconnected normally

13

Remote modem failed to respond after 10 re-transmissions same message

14

Violation of negotiated protocol caused failure

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

S37=0

Automatic speed recognition

S37=1

300bps

S37=2

300bps

S37=3

300bps

S37=5

1200bps

S37=6

2400bps

S37=7

V.23

S37=8

4800bps

S37=9

9600bps

S37=10

12.0Kbps

S37=11

14.4Kbps

S37=12

7200bps

ERROR CORRECTION NEGOTIATION

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=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=7

Attempt a connection at MNP2-4; if that fails, attempt a buffered connection.

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

S46=138

LAP-M with V.42bis data compression

 

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, XID negotiation disabled

S48=7

Detection negotiation and XID negotiation enabled

S48=128

Fall-back to options set in S36

FLOW CONTROL

Type:

Register

Format

AT [cmds] S39? [cmds]

Description:

Displays the current flow control

Value

Meaning

0

Flow control disabled

3

RTS/CTS flow control enabled

4

XON/XOFF flow control enabled

5

Transparent XON/XOFF flow control enabled

6

RTS/CTS & XON/XOFF flow control enabled

HDLC ADDRESS/BSC SYNCHRONOUS CHARACTER

Type:

Register

Format

AT [cmds] S20=n [cmds]

Default:

0

Range:

0-255

Unit:

Unidentified

Description:

Sets the HDLC address/BSC sychronous character