Star Comm V.34 Manuel utilisateur

V.34 and V.32bis Data/Fax Modems

QUALITY COMMUNICATIONS PRODUCTS

Made in the U.S.A.

11-1006-002

TABLE OF CONTENTS

SUBJECT PAGE

INTRODUCTION 2

FRONT PANEL LIGHTS 2

BACK PANEL CONNECTORS 2

AT COMMAND SET 3

AT Commands 4

AT& Commands 8

AT% Commands 11

AT\Commands 12

AT+ Commands 14

MNP 10 Commands 15

AT COMMAND RESULT CODES 17

S REGISTERS 17

S REGISTER SUMMARY 18

S REGISTER DEFINITIONS 19

DUMB MODE OF OPERATION 30

LEASED LINE OPERATION 30

REMOTE CONFIGURATION 31

PASSWORD AND CALLER ID SECURITY 32

LOW POWER OPERATION 34

CERTIFICATIONS 35

INTRODUCTION

This manual covers configuration and operation of all V.34 and V.32bis external and rack mount models.

Sincemanyfeaturesdiscussedinthismanualareoptional,itisimportanttoverifythespecific configuration

of your device before proceeding with installation and configuration. It is suggested that you use theAT&V

command to verify the capabilities of your device. If the commands associated with an optional feature are

displayed on the last line of your active profile, that feature exists in your device.

FRONT PANEL LIGHTS

MR Modem Ready OH Off Hook

TR Terminal Ready CD Carrier Detect

SD Send Data AA Auto Answer

RD Receive Data HS High Speed

BACK PANEL CONNECTORS

LINE This RJ-11 connector should be used to connect the modem to a normal dial circuit or a

dedicated 2-wire leased circuit. For those models with the optional 4-wire leased circuit

interface, please refer to the following diagram:

Transmit Pins (TX) = Pins #3 & 4

Receive Pins (RX) = Pins #2 & 5

PHONE This RJ-11 connector is not present on all models. The phone jack directly parallels the line

connector and allows another device to be connected to the same line as the modem. This

connector is not installed on rack mount versions.

RS-232-CThis connector provides a standard RS-232-C(V.24) interface between the modem and a

wide range of DTE. The following signals are provided.

PIN # SIGNAL DESCRIPTION SOURCE NOTES

1Frame ground DTE/DCE

2Transmit Data DTE (SD light on front panel)

3Receive Data DCE (RD light on front panel)

4Request To Send DTE

5Clear To Send DCE

6Data Set Ready DCE (MR light on front panel)

7Signal Ground DTE/DCE

8Carrier Detect DCE (CD light on front panel)

12 Speed Indicator DCE

15 DCE Transmit Clock DCE

17 DCE Receive Clock DCE

20 Data Terminal Ready DTE (TR light on front panel)

22 Ring Indicator DCE

24 DTE Transmit Clock DTE (See &Xn command)

DUMB Next to the RS-232-C connector is a two pin header. When the pins of this connector are

MODE not connected (default), the modem operates in smart mode. When they are connected, the

modem operates in dumb mode. For more detail, please refer to the dumb mode section of

this manual.

POWER Thisconnectorispresentonallstandalonemodelsandacceptsa9VACor9–14VDCpower

source. On rack mount versions, a different power connector is used and it provides DC

voltagestothemodemfromtherackbackplane. CAUTION: Several DC poweroptions are

availableforspecialapplications. Modemsequippedwithspecialpoweroptionswillcontain

specifications that supersede the power specifications of this paragraph.

DB-25

RJ-11

POSITIVE Voltage

NEGATIVE Voltage

DB-25

RJ-11

POSITIVE Voltage

NEGATIVE Voltage

FRAME GROUND

AT COMMAND SET

Command Guidelines

ThebasicATcommandsusedtocontrolmodemoperationaredefinedinthissection. UnderAToperation,

themodemperformsautobaud,autoparityandautolengthfunctionsoneachheaderentered.Theautoparity

and autolength facilities can detect 7 or 8-bit characters of even, odd, or no parity with one stop bit.

Command Format

A command line is a string of characters sent from a DTE to the modem (DCE) while the modem is in a

command state. A command line has a prefix, a body, and a terminator. Each command line (with the

exception of the A/command) must begin with the character sequence AT and must be terminated by a

carriage return.

Characterswithinthecommandlineareparsedascommandswithassociatedparametervalues. Thebasic

commandsconsistofsingleASCIIcharacters,orsinglecharactersprecededbyaprefixcharacter(e.g.,"&"),

followed by a decimal parameter. Missing decimal parameters are evaluated as 0.

TheATsequencemaybefollowedbyanynumberofcommandsinsequence,exceptforcommandssuchas

Z, D, or A. Commands following commands Z, D, or A on the same command line will be ignored. The

maximumnumberofcharactersonany command line is39(including"A"and"T"). If a syntax errorisfound

anywhereinacommandlinecommand,theremainderofthelinewillbeignoredandtheERRORresultcode

will be returned.

Escape Code Sequence

When the modem has established a connection and has entered on-linedatamode,itispossible to break

into the data transmission in order to issue further commands to the modem in an on-linecommand mode.

This is achieved by sending to the modem a sequence of three ASCII characters specified by register S2.

The default character is '+'. The timing of the three characters must comply with specific time constraints.

There is a guard time before the first character (the pre-sequence time), a guard time following the third

character (the post-sequence time), and a guard time-out between the first and second characters and

between the second and third characters (the inter-charactertime). Thesetimesarecontrolledby the value

recorded in register S12.

Command Set Detail

The modem will respond to the commands detailed below. Parameters applicable to each command are

listedwiththecommanddescription. Thedefaultsshownforeachconfigurationcommandarethoseusedin

factory profile 0.

AT COMMANDS

A/ -Re-execute Command

The modem behaves as though the last command line had been re-sentbytheDTE. "A/"will repeat all the

commands in the command buffer.

AT=x -Write to Selected S-Register

This command writes the value x to the currently selected S-Register. An S-Register can be selected by

using the ATSn command.

AT? -Read Selected S-Register

This command reads and displays the selected S-Register.

A -Answer

The modem will go off-hook and attempt to answer an incoming call if correct conditions are met.

Bn -CCITT or Bell

When the modem is configured to allow either option, the modem will selectBell or CCITTmodulation for a

linespeedconnectionof300or1200bpsaccordingtotheparametersupplied. Anyotherlinespeedwilluse

a CCITT modulation standard.

B0 Selects CCITT operation at 300 or 1200 bps.

B1 Selects BELL operation at 300 or 1200 bps. (Default)

Cn -Carrier Control

Thiscommandisincludedforcompatibilityonly,andhasnoeffectotherthanreturningaresultcode. Theonly

valid parameter is 1.

Dn -Dial

Thiscommanddirectsthemodemtogoon-line,dialaccordingto thestringenteredandattempttoestablish

a connection. If no dial string is supplied, the modem will go on-lineandattempt the handshakein originate

mode. NOTE: If the ATD command is issued before the S1 register has cleared, the modem will respond

with the NO CARRIER result code.

DialModifiers. Thevaliddialstringparametersaredescribedbelow. Punctuationcharactersmay be used

for clarity, with parentheses, hyphen, and spaces being ignored.

0-9DTMF digits 0 to 9.

*The "Star" digit (tone dialing only).

#The "gate" digit (tone dialing only).

A-DDTMF digits A,B,C, and D.

JPerform MNP10 link negotiation at 1200 bps.

KEnable power level adjustment during MNP10 link negotiation.

LRe-dial last number.

PSelect pulse dialing.

TSelect tone dialing.

RIgnored.

S=n Dial the number stored in the directory.

!Flash: the modem will go on-hook for a time defined by the value of S29.

WWait for dial tone: the modem will wait for dial tone before dialing the digits following "W". If

dial tone is not detected within the time specified by S7, the modem will abort the rest of the

sequence.

@Wait for silence: the modem will wait for at least 5 seconds of silence in the call process

frequency band before continuing with the next dial string parameter. Ifthe modem doesnot

detectthese5secondsofsilencebeforetheexpirationofthecallaborttimer(S7),themodem

willterminatethecallattempt with aNOANSWERmessage. Ifbusydetectionisenabled,the

modem may terminate the call with the BUSY result code. If answer tone arrives during

execution of this parameter, the modem handshakes.

&Wait for credit card dialing tone before continuing with the dial string. If bong is not detected

within the time specified by S7, the modem will abort the rest of the sequence.

'Dialpause: themodemwillpauseforatimespecifiedbyS8beforedialingthedigitsfollowing

the ",'".

;Returntocommandstate: addedtotheendofadialstring,thiscausesthemodemtoreturnto

the command state after it processes the portion of the dial string preceding the ";".

^Toggles calling tone enable/disable: applicable to current dial attempt only.

() Ignored: may be used to format the dial string.

-Ignored: may be used to format the dial string.

<i> Invalid character: will be ignored.

En -Command Echo

The modem enables or disables the echo of characters to the DTE according to the parameter supplied.

E0 Disables command echo.

E1 Enables command echo. (Default)

Fn -Select Line Modulation (1442ONLY)

Thiscommandselectsthelinemodulationaccordingtotheparametersupplied. Thelinemodulationisfixed

unless Automode is selected.

F0 Selects auto-detect mode. All connect speeds supported by the modem are possible

according to the remote modem's preference.

F1 SelectsV.21orBell103accordingtotheBsettingastheonlyacceptablelinespeedresulting

in a subsequent connection.

F2 Not supported.

F3 SelectsV.23asthe only acceptablelinemodulationfor a subsequentconnection. Originator

is at 75 bps and answerer is at 1200bps.

F4 Selects V.22 1200 or Bell 212A according to the B command setting as the only acceptable

line speed for a subsequent connection.

F5 Selects V.22 bis as the only acceptable line modulation for a subsequent connection.

F6 Select V.32bis 4800 or V.32 4800 as the only acceptable line modulation for a subsequent

connection.

F7 Selects V.32 bis 7200 as the only acceptable line modulation for a subsequent connection.

F8 SelectsV.32bis9600orV.329600astheonlyacceptablelinemodulationsforasubsequent

connection.

F9 Selects V.32bis 12000 as the only acceptable line modulation for a subsequent connection.

F10 Selects V.32 bis 14400 as the only acceptable line modulation for a subsequent connection.

Hn -Disconnect (Hang-Up)

This command initiates a hang up sequence.

HO The modem will release the line if the modem is currently on-line, and will terminate any test

that is in progress.

H1 If on-hook, the modem will go off-hook and enter command mode.

In -Identification

The modem reports to the DTE the requested result according to the command parameter.

I0 Reports product code.

I1 Reports a pre-computed checksum.

I2 Reports "OK".

I3 Reports firmware revision (VX.XXX) model code.

I4 Reports OEM defined identifier string in Hayes compatible binary format.

I5 Reports Country Code parameter.

I6 Reports modem data pump model and internal code revision.

I7 ReportstheDAAcoderesultingfromMCUinterrogationoftheDAAforautoDAArecognition.

Ln -Speaker Volume

The modem sets the speaker volume control according to the parameter supplied.

L0 Low volume.

L1 Low volume. (Default)

L2 Medium volume.

L3 High volume.

Mn -Speaker Control

M0 Speaker is always off.

M1 Speaker is on during call establishment, but off when receiving carrier. (Default)

M2 Speaker is always on.

M3 Speaker is off when receiving carrier and during dialing, but on during answering.

Nn -Automode Enable

This command enables or disables Automode detection.

N0 Automode detection is disabled.

N1 Automode detection is enabled. (Default).

On -Return to On-Line Data Mode

This command determines how the modem will enter the on-line data mode.

O0 Enters on-line data mode, without a retrain.

O1 Enters on-line data mode with a retrain.

P -Set Pulse Dial Default

This command forces pulse dialing until the next T dial modifier or T command is received.

Qn -Quiet Results Codes Control

The command enables or disables the sending of result codes to the DTE according to the parameter

supplied.

Q0 Enables result codes to the DTE. (Default)

Q1 Disables result codes to the DTE.

Sn -Read/Write S-Register

The modem selects an S-Register,performs anS-Registerreadorwritefunction,orreportsthevalueofan

S-Register.

nEstablishes S-Register n as the last register accessed.

n=v Sets S-Register n to the value v.

n? Reports the value of S-Register n.

T -Set Tone Dial Default

This command forces DTMF dialing until the next P dial modifier or P command is received.

Vn -Result Code Form

This command selects the sending of short-form or long-form result codes to the DTE.

V0 Enables short-form (terse) result codes.

V1 Enables long-form (verbose) result codes. (Default)

Wn -Connect Message Control

This command controls the format of CONNECT messages.

W0 Modem reports DTE speed. (Default)

W1 Modem reports line speed error correction protocol and DTE speed.

W2 Modem reports the DCE speed.

Xn -Extended Result Codes

Thiscommandselectswhich subset oftheresultmessageswillbeusedbythemodemto informtheDTEof

the results of commands.

X0 Disablesmonitoringofbusytones,sendsonlyOK,CONNECT,RING,NOCARRIER,ERROR,

and NO ANSWER result codes. Blind dialing is enabled.

X1 Disablesmonitoringofbusytones,sendsonlyOK,CONNECT,RING,NOCARRIER,ERROR,

NO ANSWER, and CONNECT XXXX(XXXX=rate). Blind dialing is enabled.

X2 Disablesmonitoringofbusytones,sendsonlyOK,CONNECT,RING,NOCARRIER,ERROR,

NO DIAL TONE, NO ANSWER, and CONNECT XXXX.

X3 Enables monitoringofbusy tones; sendonlyOK, CONNECT, RING,NOCARRIER, ERROR,

NO ANSWER, and CONNECT XXXX. Blind dialing is enabled.

X4 Enables monitoring of busy tones, sends all messages. (Default).

Yn -Long Space Disconnect

This command enables/disables the generation and response to long space disconnect.

Y0 Disables long space disconnect. (Default)

Y1 Enables long space disconnect.

Zn -Soft Reset and Restore Profile

Themodemperformsasoftresetandrestores(recalls)theconfigurationprofileaccordingtotheparameter

supplied. If no parameter is specified, zero is assumed.

Z0 Soft reset and restore stored in profile 0.

Z1 Soft reset and restore stored profile 1.

AT& COMMANDS

&Cn -RLSD (DCD) Option

This command controls the RLSD output inaccordance with the parameter supplied.

&CO RLSD remains ON at all times.

&C1 RLSD follows the state of the carrier. (Default)

&Dn -DTR Option

This command interprets the ON to OFF transition of the DTR signal from the DTE in accordance with the

parameter supplied.

&DO DTR is ignored and assumed on.

&D1 DTR drop forces modem to command state without disconnecting.

&D2 DTR drop forces hang up, auto-dial is inhibited. (Default)

&D3 DTR drop forces modem to soft reset.

&Fn -Restore Factory Configuration (profile)

This command loads the factory default configuration (profile).

&F0 Restore factory configuration 0.

&F1 Restore factory configuration 1.

&Gn -Select Guard Tone

This command controls the generation of guard tone.

&G0 Disables guard tone.

&G1 Disables guard tone.

&G2 Selects 1800 Hz guard tone.

&Jn -Telephone Jack Control

This command is only included for compatibility and performs no function except to load the S-Register.

&J0 &J0 command. (Default)

&J1 &J1 command.

&Kn -Flow Control

This command defines the DTE/DCE (terminal/modem) flow control mechanism.

&K0 Disables flow control.

&K3 Enables RTS/CTS flow control. (Default)

&K4 Enables XON/XOFF flow control.

&K5 Enables transparent XON/XOFF flow control.

&K6 Enables both RTS/CTS and XON/XOFF flow control.

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