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DATAPORT 3710

PARADYNE CORPORATION

DATAPORT 3710

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

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

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

DC power

CN4

Line in

CN2

Power switch

SW1

RS-232/422

CN3

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

EC

Red

On

Error correction enabled

EC

Red

Off

Error correction disabled

HS

Red

On

Modem is operating at highest configured speed

HS

Red

Off

Modem is operating at less than highest configured speed

CD

Red

On

Carrier signal detected

CD

Red

Off

Carrier signal not detected

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

RD

Red

On

Modem is receiving data

RD

Red

Off

Modem is not receiving data

SD

Red

On

Modem is transmitting data

SD

Red

Off

Modem is not transmitting data

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

MR

Red

On

DSR signal is high

MR

Red

Off

DSR signal is low

Proprietary AT Command Set

AT COMMAND RESPONSE

Type:

Regtster

Format:

AT [cmds] S84=n [cmds]

Example:

AT S84=0 &W<CR>

Description:

Sets the response to AT commands.

Command

Function

í S84=0

Normal operation

S84=1

Execute valid commands, suppress error codes.

S84=2

Ignore configuration commands, always return OK error code.

AUTO BAUD

Type:

Register

Format:

AT [cmds] S78=n [cmds]

Example:

AT S78=0 &W<CR>

Description:

Allows modem to connect at remote modemís modulation during V.32bis connection.

Command

Function

í S78=0

Auto baud enabled.

S78=1

Auto baud disabled.

AUTO-RELIABLE TIME BUFFER CONFIGURATION

Type:

Configuration

Format:

AT [cmds] \Cn [cmds]

Example:

AT \C1 &W<CR>

Description:

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

Command

Function

í \CO

Data is discarded.

\C1

Data is buffered.

\C2

Data is discarded, resets to \C1 on receipt of autoreliable fallback character.

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Configuration

Format:

AT [cmds] %An [cmds]

Example:

AT%A20<CR>

Default:

13

Range:

0-127

Unit:

ASCII

Description:

Sets the character used as the auto-reliable fallback character. %A0 will disable this function.

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Example:

AT \K5 &W<CR>

Description:

Selects response to DTE break command.

Command

Function

\K0

Send break, clear buffer, enter command mode.

\K1

Send break, clear buffer.

\K2

Send break, send data, enter command mode.

\K3

Send break. send data.

\K4

Send data, send break, enter command mode.

í \K5

Send data, send break.

CELLULAR ENHANCEMENTS

Type:

Register

Format:

AT [cmds] S91=n [cmds]

Example:

AT S91=0 &W<CR>

Description:

Configures modem to enhanced cellular mode

Command

Function

í S91=0

Disabled

S91=1

Enabled

CD SIGNAL

Type:

Configuration

Format:

AT [cmds] &Cn [cmds]

Example:

AT &C3 &B0<CR>

Description:

Configures the behavior of the carrier detect signal.

Command

Function

í &C0

CD forced high.

&C1

CD normal.

&C2

Blink on disconnect.

&C3

CD follows DTR.

&C4

Simulated control carrier.

&C5

CD follows DTR, forced low on disconnect.

COMPRESSION

Type:

Configuration

Format:

AT %Cn

Example:

AT &B0 %C1 &I2<CR>

Description:

Selects V.42 and MNP data compression.

Command

Function

%C0

Data compression disabled.

í %C1

Data compression enabled.

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Example:

AT \N1 DT555-1212<CR>

Description:

Sets connect mode.

Command

Function

\N0

Normal mode enabled.

\N1

Direct mode enabled.

\N2

MNP mode only enabled.

\N3

MNP mode with fallback to normal mode enabled.

\N4

LAP-M mode only enabled.

\N5

LAP-M mode with fallback to normal mode enabled.

\N6

V.42/MNP only enabled.

í \N7

V.42/MNP with fallback to normal mode enabled.

CONNECTION SPEED UPPER LIMIT

Type:

Immediate

Format:

AT [cmds] %Bn [cmds]

Example:

AT %B14400<CR>

Description:

Selects the current DCE speed.

Command

Function

%B300

Select V.21 or Bell103 at 300bps speed.

%B1200

Select V.22,V.23 or Bell 212A at 1200bps speed.

%B2400

Select V.22 at 2400bps speed.

%B4800

Select v.32/V.32bis at 4800bps speed.

%B7200

Select V.32bis at 7200bps speed.

%B9600

Select V.32bis/V.32 at 9600bps speed.

%B12000

Select V.32bis at 12Kbps speed.

í %B14400

Select V.32bis at 14.4Kbps speed.

CTS SIGNAL

Type:

Configuration

Format:

AT [cmds] \Dn [cmds]

Example:

AT \D0<CR>

Description:

Selects the function of the CTS signal.

Command

Function

í \D0

CTS forced high.

\D1

CTS normal.

\D2

CTS interrupted for 2 seconds on disconnect.

\D3

CTS follows DTR.

DISCONNECT IMMEDIATELY

Type:

Configuration

Format:

AT [cmds] S85=n [cmds]

Example:

AT S85=0 &W<CR>

Description:

Disconnect immediately on receipt of disconnect signal from DTE or diagnostic control panel.

Command

Function

í S85=0

Disabled.

S85=1

Enabled.

FAX DISABLE

Type:

Configuration

Format:

AT [cmds] S79=n [cmds]

Example:

AT S79=1 &W<CR>

Description:

Enables V.17 fax capability

Command

Function

S79=0

Disable

í S79=1

Enable

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Example:

AT \G1 &K3<CR>

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]

Example:

AT \Q5<CR>

Description:

Sets type of flow control used by modem.

Command

Function

\Q0

Flow control disabled.

\Q1

Bidirectional XON/XOFF flow control enabled.

\Q2

CTS flow control by DCE enabled.

í \Q3

Bidirectional CTS/RTS flow control enabled.

\Q4

XON/XOFF flow control by DCE enabled.

\Q5

XON/XOFF flow control by DTE enabled.

\Q6

RTS flow control by DTE enabled.

INACTIVITY TIMER

Type:

Register

Format:

AT [cmds] \Tn [cmds]

Example:

AT\T20<CR>

Default:

0

Range:

0-255

Unit:

1 minute

Description:

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

LAP-M FRAME SIZE

Type:

Configuration

Format:

AT [cmds] \An [cmds]

Example:

AT \A3 %C1<CR>

Description:

Sets the maximum frame size for V.42 and MNP connections.

Command

Function

\A0

Maximum frame size is 64

\A1

Maximum frame size is 128

\A2

Maximum frame size is 192

í \A3

Maximum frame size is 256

\A4

Maximum frame size is 32

\A5

Maximum frame size is 16

Note: Maximum V.42 frame size is 128.

LAP-M FRAME WINDOW

Type:

Register

Format:

AT [cmds] S89=n [cmds]

Example:

ATS89=6<CR>

Default:

0

Range:

1-9

Unit:

1 frame (beginning with 0=6 frames)

Description:

Sets the number of frames used in V.42 and V.42bis transmissions

LINE SPEED

Type:

Register

Format:

AT [cmds] S41=n [cmds]

Example:

ATS41=6<CR>

Default:

1

Description:

Sets maximum line speed

Command

Function

í S41=1

14.4Kbps V.32bis

S41=2

12.0Kbps V.32bis

S41=3

9600bps V.32bis, V.32

S41=4

7200bps V.32bis

S41=5

4800bps V.32bis, V.32

S41=6

2400bps V.22bis

S41=7

1200bps V.22

S41=8

1200bps 212A

S41=10

0-300bps V21

S41=11

0-300bps 103j

S41=12

1200/75bps V.23

S41=13

75/1200bps V.23

LOCK SERIAL PORT

Type:

Configuration

Format:

AT [cmds] S90=n [cmds]

Example:

AT S90=0<CR>

Description:

Sets operation of serial port speed.

Command

Function

S90=0

Disabled.

S90=1

Serial speed follows connect speed.

TRANSMISSION LEVEL

Type:

Register

Format:

AT [cmds] &In [cmds]

Example:

AT &I26 &W<CR>

Default:

0

Range:

-10dBm to -.25dBm

Unit:

-1 dBm

Description:

Sets the signal level for transmission

TRANSMISSION LEVEL

Type:

Configuration

Format:

AT [cmds] &J0 [cmds]

Example:

AT &J0 &W<CR>

Description:

Sets permissive mode

V.32bis AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] S76=n [cmds]

Example:

AT S76=0 &W<CR>

Description:

Selects action the modem will take during bad line quality on 32bis connection.

Command

Function

í S76=0

Auto retrain enabled.

S76=1

Auto retrain disabled.

S76=2

Auto retrain started at 4800bps.

S76=3

Auto retrain started at 9600bps

V.32bis TRAIN

Type:

Register

Format:

AT [cmds] S43=n [cmds]

Example:

AT S43=0 &W<CR>

Description:

Sets train length. Cellular setting is short.

Command

Function

í S43=0

Long

S43=1

Short

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Example:

AT \X7 O<CR>

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.