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14.4 ATF/ATV/ACF/ACV FAX MODEM

ASPEN TECHNOLOGIES, INC.

14.4 ATF/ATV/ACF/ACV FAX MODEM

Card Type

Modem (asynchronous), Fax

I/O Options

RJ-11 line in, RJ-11 line out

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation

Bell 103A, 212A

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

Fax Modulation

Unidentified

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I & II

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Function

Label

RJ-11 line

CN1

RJ-11 line

CN2

SERIAL PORT ADDRESS SELECTION

Setting

J9

J10

3F8h (COM1:)

Pins 1 & 2 closed

Pins 1 & 2 closed

2F8h (COM2:)

Pins 1 & 2 closed

Pins 2 & 3 closed

3E8h (COM3:)

Pins 2 & 3 closed

Pins 1 & 2 closed

2E8h (COM4:)

Pins 2 & 3 closed

Pins 2 & 3 closed

INTERRUPT SELECTION

Setting

J5

J6

J7

J8

3

Open

Open

Open

Closed

4

Open

Open

Closed

Open

5

Open

Closed

Open

Open

7

Closed

Open

Open

Open

SUPPORTED STANDARD COMMANDS

Basic AT Commands

AT, A/

A, B, C, E, F, H, M, O, V, W, X, Y, Z

&C, &F, &J, &L, &T, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \G, \L, \O, \T, \U, \Z

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S21, S22, S23 S25, S26

S27, S30, S36, S37, S38, S40, S41, S46, S48, S82, S86, S91, S95

 

Note: See MHI help file for complete information.

Proprietary AT Command Set

AUTO-MODE DETECTION

Type:

Configuration

Format:

AT [cmds] Nn [cmds]

Description:

Selects options for handshake modulation

Command

Function

N0

Speed of connection follows speed set in register S7

N1

Negotiate at highest possible speed

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

Asynchronous off-line command mode and synchronous connect mode.

&Q2

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

&Q3

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

&Q5

Error correction mode

&Q6

Buffered asynchronous mode

&Q8

MNP mode

&Q9

V.42bis mode

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Selects modem response to DTR loss

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

DL

Re-dial last number

DP

Pulse dialing enabled

DR

Answer mode enabled; originate mode disabled following handshake initiation.

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 amount of time specified in S8 register

D!

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

D@

Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string.

D^

1300Hz calling tone enabled

D;

return to command state after dialing

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

PULSE DIALING RATIO

Type:

Configuration

Format:

AT [cmds] &Pn [cmds]

Description:

Selects pulse dial make/break ratio

Command

Function

&P0

39/61ms at 10pps (North America)

&P1

33/67ms at 10pps (Europe)

&P2

39/61ms at 20pps

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports firmware checksum

I2

Tests and reports firmware checksum

I3

Reports firmware revision level

I4

Reports product capabilities

RESULT CODES

Type:

Configuration

Format:

AT [cmds] Qn [cmds]

Description:

Enables modem to send result codes to the DTE

Command

Function

Q0

Result code sending enabled

Q1

Result code sending disabled

Q2

Result code sending enabled in originate mode

SOFT RESET

Type:

Immediate

Format:

AT [cmds] Zn [cmds]

Description:

Restores modem profiles previously saved in non-volatile RAM using the &W command.

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume

Command

Function

L0

Low volume setting

L1

Low volume setting

L2

Medium volume setting

L3

Highest 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

%E0

Auto-retrain disabled

%E1

Auto-retrain enabled

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

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

\K3

Send break to remote modem immediately

\K5

Send break with transmitted data

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

%C1

Data compression enabled

COMPRESSION MODE

Type:

Configuration

Format:

AT [cmds] %Mn [cmds]

Description:

Selects data compression mode

Command

Function

%M0

Compression disabled

%M1

Transmit only

%M2

Receive only

%M3

Transmit/receive compression 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

Reliable mode enabled

\N3

Auto-reliable mode enabled

DICTIONARY SIZE

Type:

Configuration

Format:

AT [cmds] %Dn [cmds]

Description:

Selects data compression

Command

Function

%D0

512 bytes

%D1

1024 bytes

%D2

2048 bytes

%D3

4096 bytes

ECHO DATA

Type:

Configuration

Format:

AT [cmds] \En [cmds]

Description:

Enables modem to echo received data

Command

Function

\E1

One shot optimization

S(status) -REGISTERS

SPEED BUFFER LOWER LIMT

Type:

Register

Format

AT [cmds] S49=n [cmds]

Range:

1-255

Unit:

Unidentified

Description:

Sets speed buffer lower limit. Default=8.

SPEED BUFFER UPPER LIMT

Type:

Register

Format

AT [cmds] S50=n [cmds]

Range:

1-255

Unit:

Unidentified

Description:

Sets speed buffer lower limit. Default=255.