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DX144

PENRIL DATABILITY NETWORKS

DX144

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.21, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Lease line out

CN1

Diagnostic connector

CN4

Line in

CN2

AC power

CN5

RS-232/422

CN3

Data/Voice

BT1

A/A1 - MI/MIC CONTROL

Control Type

JP3

JP4

» A/A1 control.

Pin 1 & 2 closed.

Pin 1 & 2 closed.

MI/MIC control.

Pin 2 & 3 closed.

Pin 2 & 3 closed.

FACTORY CONFIGURED SETTINGS - DO NOT ALTER

Jumper

Settings

JP1

Pin 2 & 3 closed.

JP2

Pin 2 & 3 closed.

JP5

Pin 2 & 3 closed.

JP6

Pin 2 & 3 closed.

FRAME/SIGNAL GROUND

Ground Type

JP7

Frame and signal ground connected.

Pin 1 & 2 closed.

» Frame and signal ground not connected.

Pin 2 & 3 closed.

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

HS

Red

On

Modem is operating at 7200bps or faster

HS

Red

Off

Modem is operating at slower than 7200bps

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

AA

Red

Blinking

Phone is ringing

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

TR

Red

Blinking

Voice mode

MR

Red

On

Modem is ready

MR

Red

Off

Modem is not ready

MR

Red

Blinking

Test mode enabled

Proprietary AT Command Set

ADMINISTRATIVE PASSWORD

Type:

Configuration

Format:

AT [cmds] /A

Example:

AT &Z=/ASECURITY<CR>

Description:

Set administrative password; password-protects use of certain Hayes commands.

Note

SECURITY is the modem’s default password.

AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Example:

AT %E1 <CR>

Description:

Selects auto-retrain mode.

Command

Function

%E0

Auto-retrain disabled.

» %E1

Auto-retrain enabled.

BUFFER MODE/SPEED CONVERSION

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Example:

AT \B1 &W <CR>

Description:

Controls buffer mode/speed conversion

Command

Function

\B0

Speed conversion disabled.

» \B1

Speed conversion enabled.

CARRIER DETECT LEVEL

Type:

Register

Format:

AT [cmds] S46=n [cmds]

Example:

AT S46=16 <CR>

Description:

Selects CD level for dial-up and leased line application.

Command

Leased line

0

-26dBm

16

-33dBm

í 32

-43dBm

CONNECTION SPEED LOWER LIMIT

Format

AT [cmds] S44=n [cmds]

Example:

AT S44=14 <CR>

Default:

14

Range:

6 - 15

Unit:

Bit-mapped

Description:

Selects minimum data rate.

Command

Function

6

Select 14.4Kbps speed.

7

Select 12Kbps speed.

8

Select 9600bps speed.

9

Select 7200bps speed.

10

Select 4800bps speed.

11

Select 2400bps speed.

12

Select 1200bps speed.

» 14

Select 0 - 300bps speed.

CONNECTION SPEED UPPER LIMIT

Format

AT [cmds] S43=n [cmds]

Example:

AT S43=6 <CR>

Default:

6

Range:

6 - 16

Unit:

Bit-mapped

Description:

Selects maximum data rate.

Command

Function

» 6

Select 14.4Kbps speed.

7

Select 12Kbps speed.

8

Select 9600bps speed.

9

Select 7200bps speed.

10

Select 4800bps speed.

11

Select 2400bps speed.

12

Select 1200bps speed.

14

Select 0 - 300bps speed.

15

Select 1200/75bps speed.

16

Select EIA control.

DIAL

Type:

Immediate

Format:

AT [cmds] D<#> [; cmds]

Example:

AT H1 DT 9W *70, 1(303) 555-1212<CR>

Description:

Dials telephone number according to any modifiers included in the string.

Modifier

Function

DL

Links a stored phone number to another number as an alternate.

DP

Pulse dialing enabled.

DS=c

Number in memory location c dialed.

DT

Tone dialing enabled.

DW

Dialing resumed following dial tone detection.

D:

Dialing resumed following dial tone detection.

D/R

Modem is configured for Dial Line Auto-Recovery.

D,

Dialing paused for amount of time specified in S8 register.

D<

Dialing paused for amount of time specified in S8 register.

D;

Modem returned to command mode after dialing.

D&

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

D!

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

D@

Modem waits for a ring-back signal followed by silence up to the time specified in S7 prior to executing the rest of the dial string.

DIALING MESSAGE

Type:

Configuration

Format:

AT [cmds] \Dn [cmds]

Example:

AT \D0 &W <CR>

Description:

Controls dialing message.

Command

Function

» \D0

"Dialing" message disabled.

\D1

"Dialing" message enabled.

DTE SPEED

Type:

Register

Format:

AT [cmds] S61n [cmds]

Example:

AT S61=2 <CR>

Description:

Selects the current DTE speed.

Command

Function

0

Select 115.2Kbps speed.

1

Select 57.6Kbps speed.

» 2

Select 38.4Kbps speed.

3

Select 19.2Kbps speed.

4

Select 9600bps speed.

5

Select 7200bps speed.

6

Select 4800bps speed.

7

Select 2400bps speed.

8

Select 1800bps speed.

9

Select 1200bps speed.

10

Select 600bps speed.

11

Select 300bps speed.

INACTIVITY TIMER

Type:

Immediate

Format:

AT [cmds] \T=n [cmds]

Example:

AT \T=0 <CR>

Default:

0

Range:

0 - 90

Unit:

1 minutes

Description:

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

MANUAL RESPONSE PASSWORD

Type:

Configuration

Format:

AT [cmds] /P

Example:

AT &Z22=/PBLUE<CR> or AT &Z42=5551212/PGREEN<CR>

Description:

Sets password for Manual response password; with or without callback.

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

Example:

AT \A3 \B0 <CR>

Description:

Sets the maximum transmittable block size.

Command

Function

\A0

Maximum MNP block size is 64 characters.

\A1

Maximum MNP block size is 128 characters.

\A2

Maximum MNP block size is 192 characters.

» \A3

Maximum MNP block size is 256 characters.

MNP CLASS - LIMIT

Type:

Configuration

Format:

AT [cmds] \Cn [cmds]

Example:

AT \C5 &W <CR>

Description:

Selects MNP class.

Note:

This option is not in effect until modem goes off-line.

Command

Function

\C1

MNP class 1.

\C2

MNP class 1 & 2.

\C3

MNP class 1 - 3.

\C4

MNP class 1 - 4.

» \C5

MNP class 1- 5.

PRODUCT CODE

Type:

Configuration

Format:

AT [cmds] In [cmds]

Example:

AT I0 &W <CR>

Description:

Selects product code or checksum.

Command

Function

I0

Request product code.

I1

Request checksum for the ALX modem’s software.

I2

Request verification of software checksum.

I3

Request the following for each EPROM chip, part and revision number

RECEIVE/TRANSMIT SPACE DISCONNECT

Type:

Configuration

Format:

AT [cmds] Yn [cmds]

Example:

AT Y1 &W <CR>

Description:

Controls receive/transmit space disconnect.

Command

Function

Y0

Receive space connect and transmit space disconnect disabled.

» Y1

Receive space connect and transmit space disconnect enabled.

Y2

Transmit space disconnect enabled; receive space disconnect disabled.

Y3

Receive space disconnect enabled; transmit space disconnect disabled.

TRANSMIT LEVEL - DIAL

Type:

Configuration

Format:

AT [cmds] -Ln [cmds]

Example:

AT -L1 &W <CR>

Description:

Controls transmit level.

Command

Function

-L0

Permissive transmit level enabled.

» -L1

Programmable transmit level enabled.

USER-DEFINED TEXT STRING

Type:

Configuration

Format:

AT [cmds] /U

Example:

AT &Z0=/UGORDO<CR>

Description:

Sends a response to remote terminal user after valid password is received.

V.25bis MODE

Type:

Configuration

Format:

AT [cmds] %Vn [cmds]

Example:

AT %V2 &W <CR>

Description:

Selects V.25bis mode.

Command

Function

%V0

Hayes mode disabled, V.25bis mode asynchronous enabled.

%V1

V.25bis mode, sync bit oriented (HDLC) enabled.

%V2

V.25bis mode, synchronous character oriented enabled.

V.32 MODE

Type:

Configuration

Format:

AT [cmds] -Cn [cmds]

Example:

AT -C1 &W<CR>

Description:

Selects either V.32 extended or V.32bis mode.

Command

Function

-C0

V.32 extended mode enabled.

» -C1

V.32bis mode enabled.

V.42 BREAK HANDLING

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Example:

AT \K3 &W <CR>

Description:

Selects the type of break in V.42.

Command

Function

\K0

Normal break handling enabled.

\K1

Destructive/expedited break handling enabled.

\K2

Non-destructive/expedited break handling enabled.

» \K3

Non-Destructive/non-expedited break handling enabled.

V.42 DETECTION

Type:

Configuration

Format:

AT [cmds] \En [cmds]

Example:

AT \E1 &W <CR>

Description:

Controls V.42 detection.

Command

Function

\E0

V.42 detection disabled.

» \E1

V.42 detection enabled.

V.42 FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

Example:

AT \Q3 &W <CR>

Description:

Controls

Command

Function

\Q0

Flow control disabled.

\Q1

RTS/CTS flow control enabled.

\Q2

DC1/DC2 flow control enabled.

» \Q3

DC1/DC3 flow control enabled.

V.42 MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Example:

AT \N3 &W <CR>

Description:

Controls V.42 mode.

Command

Function

\N0

Error correction disabled.

\N1

Mandatory mode for error correction enabled.

\N2

V.42 error correction enabled.

» \N3

Automatic mode for error correction enabled.

V.42 PASS-THROUGH FLOW CONRTOL

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Example:

AT \X7 &W <CR>

Description:

Controls both DTE and DCE pass-through flow control.

Command

DTE pass-through

DCE pass-through

» \X0

DTE and DCE pass-through flow disabled.

DTE and DCE pass-through flow disabled.

\X1

DTE and DCE pass-through flow enabled.

DTE and DCE pass-through flow Enabled.

\X1, 0

DTE pass-through flow enabled.

DCE pass-through flow disabled.

\X0, 1

DTE pass-through flow disabled.

DCE pass-through flow enabled.

V.42 PROTOCOL

Type:

Configuration

Format:

AT [cmds] \Pn [cmds]

Example:

AT \P2 &W <CR>

Description:

Selects V.42 protocol.

Command

Function

\P0

LAPM protocol enabled.

\P1

MNP protocol enabled.

» \P2

LAPM/MNP protocol enabled.

V.42 RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Example:

AT \V1 %C1 <CR>

Description:

Selects V.42 result codes.

Command

Function

\V0

Regular V.42 result codes disabled.

» \V1

Extended V.42 result codes enabled.

V.42bis OPERATION

Type:

Configuration

Format:

AT [cmds] \Mn [cmds]

Example:

AT \M0 &W <CR>

Description:

Controls V.42bis operation.

Command

Function

» \M0

V.42bis enabled.

\M1

V.42bis disabled.

V.42bis STRING LENGTH

Type:

Immediate

Format:

AT [cmds] \H=n [cmds]

Example:

AT \H=13 <CR>

Default:

16

Range:

6 - 250

Unit:

ASCII

Description:

Sets the string length in V.42bis.

VIEW V.42-RELATED CONFIGURATION

Type:

Configuration

Format:

AT [cmds] \Sn [cmds]

Example:

AT \S &W <CR>

Description:

Shows the status of V.42 configuration.

Proprietary V.25bis Command Set

CALL FAILURE INDICATOR

Type:

Response

Format:

CFIxx

Description:

Indicates that the attempt to connect failed.

Response

Name

Description:

CFIAB

Abort

The call was aborted because either no dialtone was detected or a character was received from the host computer.

CFICB

DCE Busy

An incoming call was detected after the dialing command was issued.

CFIET

Engaged Tone

A busy signal was detected.

CFIND

No Dial

Modem didn’t detect a dailtone.

CFINS

Not Stored

The memory address given did not contain a valid telephone number.

CFINT

No Tone

The remote party did not issue a response tone.

CFIRT

Ring Tone

A responding tone was detected, but the call timed out before it was completed.

COMMAND SET - AT

Type:

Immediate

Format:

RHA

Example:

RHA<CR>

Description:

Switch to AT command set.

CONNECTION

Type:

Response

Format:

CNX

Description:

A connection has been successfully established.

INVALID

Type:

Response

Format:

INVxx

Example:

INVCU

Description:

The modem was issued an improper command. The two letters following indicate the error.

Code

Meaning

INVCU

An error occurred in transmission.

INVMS

The command was too long or was followed by a semicolon.

INVPS

An improper number parameters were issued.

INVPV

The parameters were ignored or invalid.

STORED NUMBERS LIST

Type:

Result code

Format:

LSNxxxx

Example:

LSN 443-3388

Description:

Displays stored numbers. xxxx may specify a memory location, phone number, or status. If no code was specified with RLN, all stored numbers are displayed.