PARADYNE CORPORATION

DATAPORT 2001

Card Type

Modem (asynchronous)

Chip Set

Unidentified

Maximum Modem Rate

14.4KbpS

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103J/212A

ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis

Fax Modulation Protocol

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

Error Correction/Compression

V.42, V.42bis, MNP5

Fax Class

Class I & II

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

DC power

CN1

Line in

CN4

RS-232/422

CN2

Power switch

SW1

Line out

CN3

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

RD

Unidentified

On

Modem is receiving data

RD

Unidentified

Off

Modem is not receiving data

SD

Unidentified

On

Modem is transmitting data

SD

Unidentified

Off

Modem is not transmitting data

CD

Unidentified

On

Carrier signal detected

CD

Unidentified

Off

Carrier signal not detected

OH

Unidentified

On

Modem is off-hook

OH

Unidentified

Off

Modem is on-hook

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

EC

Unidentified

On

Error correction enabled

EC

Unidentified

Off

Error correction disabled

HS

Unidentified

On

Modem is in high speed mode

HS

Unidentified

Off

Modem is not in high speed mode

MR

Unidentified

On

Power is on

MR

Unidentified

Off

Power is off

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

A, E, H, P, T, Y

&G, &W, &X, &Y, &Z

Extended AT Commands

\G, \K, \X

%A

S Registers

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

Note: See MHI Help File for full command documentation.

Proprietary AT Command Set

COMMUNICATION PROTOCOLS

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol for data calls

Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols.

Command

Protocol

B0

ITU-T V.22 at 300 or 1200bps

B1

Bell 212A at 300 or 1200bps

B2

V.23 at 75/1200bps

B3

V.23 at 1200/75bps

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode

Command

Mode

í &M0

Asynchronous mode

&M1

Synchronous mode with AT command protocol dialing

&M2

Synchronous mode with DTR dialing method

&M3

Synchronous mode with AT command protocol dialing

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Qn [cmds]

Description:

Selects communications mode

Command

Mode

í &Q0

Asynchronous mode

&Q1

Synchronous mode with AT command protocol dialing

&Q2

Synchronous mode with DTR dialing method

&Q3

Synchronous mode with AT command protocol dialing

 

CONFIGURATION PROFILES

Type:

Immediate

Format:

AT [cmds] &V [cmds]

Description:

Displays active and stored configuration profiles

Command

Function

&V0

Display current configuration options in active memory

&V1

Display configuration options stored in memory area specified by &Y command

&V1n

Display a continuous scroll of the view commend. (n= 0 for &V0, 1 for &V1, 2 for &V2, 3 for &V3, and 4 for &V4)

&V2

Display configuration options stored in user profile 0

&V3

Display configuration options stored in used profile 1

&V4

Display telephone numbers stored in directory locations 1 and 2

&V8

Display modem’s status information for troubleshooting

DATA CARRIER DETECT (DCD)

Type:

Configuration

Format:

AT [cmds] &Cn [cmds]

Description:

Selects whether the DCD option is enabled or disabled

Command

Function

í &C0

DCD enabled

&C1

DCD enabled after carrier signal detected

&C2

DCD forced on, turns off momentarily when disconnected

&C3

Follows DTR

&C4

Simulated Control Carrier

&C5

Follows DTR, turns off upon disconnect

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

&S0

DSR forced high

í &S1

DSR high only while modem is handshaking or connected

&S2

DSR high only while modem is connected

&S3

Follows DTR

&S4

On early (when data command is entered)

&S5

Delay until Data mode is entered

 

 

 

 

 

 

 

 

 

 

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Selects modem response to DTR

Command

Function

í &D0

Modem does not respond to DTR

&D1

Modem goes to command mode after DTR goes is off

&D2

Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.

&D3

Modem is initialized after DTR goes off

&D4

Modem does not disconnect from the call until the computer turns DTR off reguardless of how the remote modem disconnects the call (see S25)

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$

Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.

D;

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

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

&F0

Load factory configuration options into active memory

&F5

Load the ETC protocol (cellular phone line)

&F6

Load the ETC protocol (normal phone line)

 

 

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

Return to on-line data mode

O1

Forces modem from online command mode to data mode

PULSE DIALING RATIO

Type:

Configuration

Format:

AT [cmds] &Pn [cmds]

Description:

Selects pulse dial make/break ratio

Command

Function

í &P0

39/61ms at 10pps (North America)

&P1

33/67ms at 10pps (Europe)

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Displays the product code

I1

Displays the ROM checksum

I2

Performs and EEPROM check

I3

Displays serial number and AT&T Paradyne

I4

Displays alphanumeric modem number

I5

Displays circuit card part number

I6

Displays software part number

I9

Displays firmware revision number

I10

Allows the value of 10 to be changed to 144 (I10=0), 240 (I10=1), 480 (I10=2), 960 (I10=3), or 120 (I10=4)

I11

Displays a ROM checksum in a hexadecimal format

I17

Displays last fatal error recorded

I19

Displays firmware revision number in an alphanumeric format

RESULT CODE FORMAT

Type:

Configuration

Format:

AT [cmds] Vn [cmds]

Description:

Selects word or numeric format for information-text and result codes

Command

Function

V0

Numeric format enabled (numbers 1)

í V1

Verbose (word) format enabled

V2

Numeric format enabled (numbers 2)

 

 

 

RESULT CODES

Type:

Configuration

Format:

AT [cmds] Qn [cmds]

Description:

Enables modem to send result codes to the DTE

Command

Function

í Q0

Result code sending enabled

Q1

Result code sending disabled

Q2

Result code sending enabled in Originate mode

RTS/CTS

Type:

Configuration

Format:

AT [cmds] &Rn [cmds]

Description:

Selects RTS/CTS options

Command

Function

í &R0

Standard RS-232 operation: RTS must be on for the computer to transmit to the modem

&R1

Ignore

&R2

Simulated Control Carrier

SELECT CALL PROGRESS RESULT CODES

Type:

Configuration

Format:

AT [cmds] Xn [cmds]

Description:

Enables selection of tone detection and associated result code format options

Command

Function

X0

Busy and dial tone detection disabled; result codes 0 - 4 enabled.

X1

Busy and dial tone detection disabled; result codes 0 - 5 & 10 enabled.

X2

Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6 & 10 enabled.

X3

Busy tone detection enabled, dial tone detection disabled; result codes 0 - 5, 7 & 10 enabled.

í X4

Busy and dial tone detection enabled; result codes 0 - 7 & 10 enabled.

X5

Adds error control suffix (REL) to extended result codes 20-27 if error control is used, enabled dial tone detect and busy tone detect

X6

Add either V.42 or MNP suffix to extended result codes 20-27 if data compression is used, enable dial tone detect and busy signal detect

X7

Computer’s data rate appears in the connect message instead of the telephone line data rate, enables dial tone detect and busy tone detect

SOFT RESET

Type:

Immediate

Format:

AT [cmds] Zn [cmds]

Description:

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

Command

Function

Z0

Restore setting 0

Z1

Restore setting 1

Z3

Performs a reset and loads storage area specified by &Y into Active

SPEAKER MODE

Type:

Configuration

Format:

AT [cmds] Mn [cmds]

Description:

Selects various speaker options

Command

Function

M0

Speaker disabled

í M1

Speaker enabled until carrier signal detected

M2

Speaker enabled

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume

Command

Function

L0

Low volume setting

L1

Low volume setting

í L2

Medium volume setting

L3

Highest volume setting

TEST MODES

Type:

Immediate

Format:

AT [cmds] &Tn

Description:

Selects test options

Command

Function

&T0

End current test

&T1

Begin local analog loopback test

&T2

Pattern test

&T3

Begin local digital loopback

&T4

Grant remote digital loopback request

&T5

Deny remote digital loopback request

&T6

Request remote digital loopback

&T7

Request remote digital loopback and self-test

&T8

Begin local analog loopback and self-test

&T9

Self test

TRANSMIT LEVEL

Type:

Configuration

Format:

AT [cmds] &In [cmds]

Description:

Determins the transmit level for data over dial lines. (-10 - -25dBm)

TRANSMIT MODE

Type:

Configuration

Format:

AT [cmds] &Jn [cmds]

Description:

Controls the transmit mode

Command

Jack Type

í &J0

Permissive mode

Extended AT Commands

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Disable V.42bis and MNP 5 data compression

%C1

Enable V.42bis and MNP 5 data compression

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

\N1

Direct mode

\N2

MNP or disconnect

\N3

MNP or buffer

\N4

LAPM of disconnect (cellular setting)

\N5

LAPM or buffer

\N6

V.42.MNP or disconnect

í \N7

V.42/MNP or buffer

CTS CONTROL

Type:

Configuration

Format:

AT [cmds] \Dn [cmds]

Description:

Determines the hanling of the Clear To Send signal

Command

Function

\D0

Forced on

\D1

Follows standard RS-232 operation: CTS follows DTS

\D2

Forced on, but turns off momentarily when disconnected

\D3

Follow state of DTR signal

DATABURST CONTROL

Type:

Configuration

Format:

AT [cmds] %Van [cmds]

Description:

Databurst control

Command

Function

%VA0

Disable

%VA1

Enable

 

 

 

 

 

ERROR CONTROL NEGOTIATION BUFFER

Type:

Configuration

Format:

AT [cmds] \Cn [cmds]

Description:

Determines wether the modem buffers data durring error control negotiation

Command

Function

\C0

Disabled

\C1

Enabled

\C2

Disabled, enable upon fallback

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

Description:

Sets type of flow control used by modem

DTE

Command

Function

\Q0, \Q4, \Q5, \Q6

Disable

\Q1

XON/XOFF

\Q2, \Q3

CTS to DTE

DCE

Command

Function

\Q0, \Q2, \Q4

Disable

\Q1, \Q5

XON/XOFF

\Q3, \Q6

RTS to DCE

INACTIVITY TIMER

Type:

Configuration

Format:

AT [cmds] \Tn [cmds]

Default:

0

Range:

0-255

Unit:

1 second

Description:

Sets the length of time that the modem does not receive information before it disconnects. 0 disables.

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

\A3

MNP block size is 256 characters

\A4

MNP block size is 32 characters

\A5

MNP block size is 16 characters

 

 

MODULATION/DATA RATE

Type:

Configuration

Format:

AT [cmds] %Bn [cmds]

Description:

Controls the modulation/data rate

Command

Function

%B300

V.21 or Bell 103 @ 300bps

%B1200

V.22, V.23 or Bell 212A @ 1200bps

%B2400

V.22bis @ 2400bps

%B4800

V.32bis/V.32 @ 4800bps

%B7200

V.32bis @ 7200bps

%B9600

V.32bis/V.32 @ 9600bps

%B12000

V.32bis @ 12,000bps

%B14400

V.32bis @ 14,400bps

VOICESPAN

Type:

Configuration

Format:

AT [cmds] %VFn [cmds]

Description:

Controls voicespan defaults

VOICESPAN AUDIO VOLUME

Type:

Immediate

Format:

AT [cmds] %VG [cmds]

Range:

0 (lowest) - 9 (highest)

Description:

Returns a value which indicates the received line signal level

VOICESPAN DATA MODE

Type:

Immediate

Format:

AT [cmds] %VH [cmds]

Description:

Controls the voicespan data mode

Command

Function

%VH0

Audio and data

%VH1

Data only

VOICESPAN SPEAKER RING VOLUME

Type:

Immediate

Format:

AT [cmds] %VL [cmds]

Description:

Controls the voicespan speaker ring volume

Command

Function

%VL0

Disable

%VL1

Low

%VL2

Medium

%VL3

High

 

 

 

 

 

VOICESPAN TOGGLE

Type:

Immediate

Format:

AT [cmds] %VS [cmds]

Description:

Disables the voicespan

Command

Function

%VS0

Disable

%VS1

Enable

S(status) -REGISTERS

ADDITIONAL RINGS TO ANSWER

Type:

Register

Format:

AT [cmds] S62=n [cmds]

Range:

0 - 255 (0 = disable)

Description:

Specifies the number of rings to be sent to the local telephone before a RING message is sent to the computer

AT COMMAND MODE

Type:

Register

Format:

AT [cmds] S84=n [cmds]

Description:

Determines how the modem responds to valid and invalid AT commands

Command

Function

í S84=0

Normal

S84=1

ERROR result code is not issued in response to invalid commands

S84=2

All invalid commands and all commands that alter configuration options are ignored

BUFFER DISCONNECT DELAY

Type:

Register

Format:

AT [cmds] S49=n [cmds]

Description:

Sets how long the modem waits to disconnect after it has received a disconnect command.

Command

Function

S49=0

Disable

CELLULAR ENHANCEMENTS

Type

Register or Configuration

Format

AT [cmds] S91=n [cmds]

Description

This is part of the ETC protocol and is enabled when the modem is configured using AT&F5 or AT&F6 commands.

Command

Function

í S91=1

Disable

S91=2

Enable

 

 

 

 

 

DIAL LINE RATE

Format

AT [cmds] S41=n [cmds]

Default:

0,1

Range:

0 - 13

Description:

Sets the protocol and rate.

Bit

Value

Function

1 - 0

14,400

V.32bis

2

12,000

V.32bis

3

9600

V.32bis/V.32

4

7200

V.32bis

5

4800

V.32bis/V.32

6

2400

V.22bis

7

1200

V.22

8

1200

Bell 212A

10

0-300

V.21

11

0-300

Bell 103J

12

1200/75

V.23

13

75/1200

V.23

DTE RATE = VF RATE

Type:

Register

Format:

AT [cmds] S90=n [cmds]

Description:

Automatically adjusts the computer’s rate to equal the dial-line rate

Command

Function

í S90=1

Disable

S90=2

Enable

DTMF TONE OFF TIMER

Format:

AT [cmds] S13=n [cmds]

Default:

70

Range:

50 - 255

Description:

Controls the duration of the wait between DTMF tones

FAST DISCONNECT

Type:

Register

Format:

AT [cmds] S85=n [cmds]

Description:

Determines whether the modem instantly goes on-hook in response to a disconnect command.

Command

Function

í S85=0

Disable

S85=1

Enable

 

 

 

 

 

 

HARDWARE BYPASS CONTROL

Type:

Register

Format:

AT [cmds] S67=n [cmds]

Description:

Determines under what conditions the modem will turn on or off hardware bypass control.

Command

Function

í S67=0

Disable

S67=1

Bypass if DTR drops

S67=2

Bypass until modem goes off hook

LINE CURRENT DISCONNECT

Type:

Register

Format:

AT [cmds] S65=n [cmds]

Description:

Enables line current disconnects

Command

Function

í S65=0

Disconnect after 8 milliseconds

S65=1

Disconnect after 90 milliseconds

S65=2

Disable

MAXIMUM RATE IN DATA-ONLY MODE

Type:

Register

Format:

AT [cmds] S61=n [cmds]

Description:

Sets the data rate used when in data-only mode

Command

Function

í S61=0

14,400bps

S61=1

12,000bps

S61=2

9600bps

S61=3

7200bps

S61=7

4800bps

RI FOLLOWS LOCAL PHONE

Type:

Register

Format:

AT [cmds] S68=n [cmds]

Description:

Determines whether the RI signal indicates the hookswitch status of the telephone connected to the Voice Interface Port.

Command

Function

í S68=0

Disable

S68=1

Enable

V.17 FAX DISABLE

Type:

Register

Format:

AT [cmds] S79=n [cmds]

Description:

Enables the V.17 fax functionality.

Command

Function

í S79=0

Disable

S79=1

Enable

V.32bis AUTOMODE FOR DIAL-LINE OPERATION

Type:

Register

Format:

AT [cmds] S78=n [cmds]

Description:

Determines whether the modem can connect using a modulation scheme other than that specified by S41.

Command

Function

í S78=0

Enable

S78=1

Disable

V.32bis AUTORATE FOR DIAL-LINE OPERATION

Type:

Register

Format:

AT [cmds] S76=n [cmds]

Description:

Determines whether the modem can adjust line rate according to the line conditions

Command

Function

í S76=0

Enable

S76=1

Disable

S76=2

4800bps

S76=3

9600bps

V.32bis TRAIN

Type:

Register

Format:

AT [cmds] S43=n [cmds]

Description:

Sets the duration of the V.32 handshaking sequence.

Command

Function

í S43=0

Long

S43=1

Short

V.42 ARQ WINDOW SIZE INCREASE

Type:

Register

Format

AT [cmds] S89=n [cmds]

Description:

Sets the V.42 ARQ window size to a value of six to fifteen frames.

Command

Function

S89=0

6 frames

í S89=1

7 frames

S89=2

8 frames

S89=3

9 frames

S89=4

10 frames

S89=5

11 frames

S89=6

12 frames

S89=7

13 frames

S89=8

14 frames

S89=9

15 frames (cellular setting)

S89>9

9 frames

 

 

 

VOICESPAN CALL DISCRIMINATE

Type:

Register

Format:

AT [cmds] S63=n [cmds]

Description:

Determines wheter to use the modulation indicated by the calling tone.

Command

Function

í S63=0

Disable

S63=1

Enable

VOICESPAN DISCRIMINATE TIMEOUT

Type:

Register

Format:

AT [cmds] S64=n [cmds]

Range:

0 - 255

Description:

Determines how long call discrimination can be tried before the default modulation is used.

VOICESPAN FAST TRAIN

Type:

Register

Format:

AT [cmds] S75=n [cmds]

Description:

Enables fast training when running voicespan

Command

Function

í S75=0

Enable

S75=1

Disable

VOICESPAN PHONE RING COUNT

Type:

Register

Format:

AT [cmds] S66=n [cmds]

Range:

0 - 254

Description:

Sets the maximum number of rings used to alert the user to an impending voicespan session.

Command

Function

í S66=0

Disable