AT&T PARADYNE

DATAPORT PCX MODEM (EXTERNAL)

Card Type

Modem

Chip Set

Unidentified

I/O Options

Serial ports, power jack, line in, line out

Maximum Modem Rate

57.6Kbps

Maximum Fax Rate

14.4Kbps

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.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Unidentified

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Line out via RJ-11

CN1

Serial port

CN3

Line in via RJ-11

CN2

Power jack

CN4

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

TST

Unidentified

On

Modem is executing a test

TST

Unidentified

Off

Modem is not executing a test

CD

Unidentified

On

Carrier signal detected, connection established

CD

Unidentified

Off

Carrier signal not detected

OH

Unidentified

On

Modem is on-hook

OH

Unidentified

Off

Modem is off-hook

RD

Unidentified

On

Modem is receiving data

RD

Unidentified

Off

Modem is not receiving data

SD

Unidentified

On

Modem transmitting data

SD

Unidentified

Off

Modem not transmitting data

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

MR

Unidentified

On

Power is on

MR

Unidentified

Off

Power is off

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, ‘comma’, A/

A, B, E, H, L, M, O, P, Q, S, T, V, W, X, Y, Z

&C, &D, &K, &M, &Q, &R, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

\K

%E, %L, %Q

S Registers

S0, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26, S27, S37, S95

 

Note: See MHI Help File for full command documentation.

Proprietary AT Command Set

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

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 quiet 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;

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

D&

Wait for credit card dialing enabled. Waits for prompt tone for amount of time specified by the S7 command

SELECTS LINE MODULATION

Type:

Configuration

Format:

AT [cmds] Fn [cmds]

Description:

Controls line modulation and VF rate

Command

Function

í F0

Selects auto-detect mode. All supported speeds and modulations are available for selection by the remote modem.

F1

Selects V.21 or Bell 103J (300bps) according to the setting Bn.

F2

Not supported

F3

Selects V.23

F4

Selects V.22 or Bell 212A (1200bps) according to the setting of Bn

F5

Selects V.22bis (2400bps)

F6

Selects V.32bis or V.32 at 4800bps

F7

Selects V.32bis at 7200bps

F8

Selects V.32bis or V.32 at 9600bps

F9

Selects V.32bis at 12,00bps

F10

Selects V.32bis at 14,400 bps

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product speed

I1

Reports ROM checksum

I2

Tests and reports ROM checksum

I3

Reports firmware revision level, model, and interface

I4

Reports firmware revision code

I5

Reports country code

I6

Reports data pump model and revision code

SPEAKER MODE

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

í N1

Auto-mode detection enabled

FACTORY DEFAULT PROFILE

Type:

Configuration

Format:

AT [cmds] &F [cmds]

Description:

Sets values in active profile to values found in the default profile

Command

Function

í &F0

Loads factory 0 configuration

&F1

Loads factory 1 configuration

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

í &G0

Guard tone disabled

&G1

Guard tone disabled

&G2

1800Hz guard tone enabled

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

í &S0

DSR forced high

&S1

DSR high only while modem is connected

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Controls the type of connection the modem will operate in

Command

Function

\N0

Buffer mode enabled

\N1

Direct mode enabled

Special Commands

FAX/DATA MODE QUERY

Type:

Configuration

Format:

AT [cmds] +FCLASS?[cmds]

Description:

Displays the fax or data mode expressed as a number. Data mode (0) Fax class (1)

FAX/DATA MODE SET

Type:

Configuration

Format:

AT [cmds] +FCLASS=n [cmds]

Description:

Determines whether the modem operates in fax or data mode

Command

Function

FCLASS0

Data mode enabled

FCLASS1

Fax class 1 enabled

RPI TOGGLE

Type:

Configuration

Format:

AT [cmds] +Hn [cmds]

Description:

Determines whether Rockwell Protocol Interface processing is used.

Command

Function

+H, +H0

RPI disabled

+H11

RPI enabled