Multi-Tech Systems MT3334HD8 manual $Ba

Page 21

 

 

 

3 AT Commands

 

Error Correction &

&E0

Non-error correction mode

31

 

 

Data Compression

&E1

Auto-reliable mode

 

 

 

 

&E2

Reliable mode

 

 

 

 

&E14

Data compression disabled

 

 

 

 

&E15

Data compression enabled

 

 

 

 

#L

V.42 error correction modes

 

 

 

 

$E

V.42 error correction at 300 bps

 

 

 

 

$A

Auto-reliable buffering

 

 

 

 

$F

Auto-reliable fallback character enable

 

 

 

 

$R

Retransmit count

 

 

 

Speed Controls

$BA

Baud adjust

33

 

 

 

$MB

Modem baud rate

 

 

 

 

$SB

Serial port baud rate

 

 

 

Immediate Action

A/

Repeat last command

35

 

 

 

I

Inquire product code

 

 

 

 

L5

List current operating parameters

 

 

 

 

L6

List S-register values

 

 

 

 

L7

List current operating parameters

 

 

 

 

L8

List online diagnostics

 

 

 

 

&RN

Rate renegotiation

 

 

 

 

&RR

Retrain

 

 

 

Flow Control

&BS

Maximum reliable block size

36

 

 

 

$EB

Asynchronous word length (10/11-bit)

 

 

 

 

&E3

Flow control disabled

 

 

 

 

&E4

Hardware flow control

 

 

 

 

&E5

XON/XOFF flow control

 

 

 

 

&E6

XON/XOFF no pass-through

 

 

 

 

&E7

XON/XOFF pass-through

 

 

 

 

&E8

Hewlett Packard ENQ/ACK pacing off

 

 

 

 

&E9

Hewlett Packard ENQ/ACK pacing on

 

 

 

 

&E10

Non-error correction mode flow control off

 

 

 

 

&E11

Non-error correction mode flow control on

 

 

 

 

&E12

Pacing off

 

 

 

 

&E13

Pacing on

 

 

 

 

#X

Number of XOFF characters sent

 

 

 

Escape

+++AT<CR>

Default in-band escape sequence

39

 

 

Sequences

<BREAK>AT<CR> Alternate out-of-band escape sequence

 

 

 

 

%E

Escape sequence selection

 

 

 

 

A

Force answer mode

 

 

 

 

O

Go back online

 

 

 

Remote

%%%AT<CR>

Remote configuration escape sequence

40

 

 

Configuration

#I

Change login password

 

 

 

 

#S

Change setup password

 

 

 

Line Probes

%DP

Read line probe data

41

 

 

 

%DF

Format line probe data

 

 

 

 

&RP

Immediate line probe

 

 

 

 

L9

Display signal strength

 

 

 

 

L10

Display signal to noise ratio

 

 

 

 

L11

Display noise strength

 

 

 

Diagnostics

&T

Respond to remote digital loopback signal

42

 

 

 

U

Loopback test modes

 

 

CommPlete Communications Server

15

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Contents MT3334HD8 Modem User Guide Multi-Tech Systems, Inc Woodale Drive Mounds View, Minnesota CommPlete Communications Server Canadian Limitations Notice FCC Fax WarningTable of Contents Warranty, Service, and Technical Support Testing the MT3334HD8Appendix D Appendix FIntroduction Power Supplies LED IndicatorsIntroduction Manual OrganizationInstallation Data Rates Modem Technical SpecificationsIntroduction 2400 & 1200 bps MT3334HD8 User Guide Power Installation MT3334HD8 modem card Safety WarningsInstallation Procedure Pre-Installation NotesPage AT Commands Working with AT Commands Command StructureModes of Operation Command Editing AT Commands by Function $BA Dial Modifier Commands Dialing CommandsDs Dial Continuous RedialWait for New Dial Tone Pulse or Tone DialingReturn to Command Mode After Dialing Rn Reverse Originate/Answer ModeDialing Pause Flash On-Hook@ Quiet Answer Phone Number Memory CommandsCall Card Tone Detect DsNd Store a Phone NumberWn Store Configuration Configuration Storage and Recall CommandsNdNe Number Linking List Stored Telephone NumbersModem Response Result Code Commands Fn Load Default ConfigurationReset Modem Echo Command Mode Characters Result Codes Verbose/Terse An Answerback Online Connection Commands#An Auto Speed Detection Bn Answer ToneDCn AT Command Control CDn Cleardown at DisconnectDTn Dtmf Detection Gn Guard Tones #Fn Fallback ModesHn Busy-Out After Disconnect Pn Set Pulse-Dial RatiosRDn Square Wave Ring Detect $Tn Calling Tone#Tn Trellis-Coded Modulation Fn Echo Canceler Frequency Offset Compensation CommandsYn Long Space Disconnect RAn Asymmetric Bit RateRS-232 Interface Commands Cn Carrier Detect ControlDn Data Terminal Ready Control Sn Data Set Ready Control Rn Clear to Send ControlRFn CTS/RTS Interaction Control SFn DSR/CD Interaction ControlEn Error Correction Modes Error Correction and Data Compression Commands#Ln V.42 Error Correction Modes En Data Compression$En V.42 Error Correction at 300 bps $Fn Auto-Reliable Fallback Character Enable/Disable$An Auto-Reliable Buffering Speed Conversion Commands $BAn Baud Adjust$Rn Retransmit Count $SBn Serial Port Baud Rate $MBn Modem Baud RateRepeat Last Command Immediate Action CommandsInquire Product Code L5, L7 List Current Operating ParametersFlow Control Commands En Non-Error Correction Mode Flow Control E3 Flow Control DisableE4 Hardware Flow Control E5 XON/XOFF Flow Control#Xn Number of Xoff Characters Sent En Pacing Computer-Initiated Flow ControlEscape Sequences Force Answer Mode+++ATCR In-Band Escape Sequence Breakatcr Out-of-Band Escape SequenceAtcr Remote Configuration Escape Sequence Remote Configuration Commands#Ixxxxxx Change Login Password Go Back Online#Syyyyyy Change Setup Password Line Probe CommandsDPn Read Line Probe Data DFn Format Line Probe DataTn Respond to Remote Digital Loopback Signal Diagnostic CommandsRP Immediate Line Probe Ln Display Line Probe DataUn Loopback Test Modes MT3334HD8 User Guide Registers S0 Number of Rings Until Modem Answers RegistersS1 Ring Count S2 Escape Code CharacterS4 Line Feed Character S7 Time for Carrier Abort TimerS5 Backspace Character S6 Wait Time for Dial ToneS13 Remote Configuration Escape Character S10 Carrier Loss Disconnect Delay TimeS9 Carrier Detect Response Time S11 Tone Dialing Spacing and DurationS34 Command Buffer Length After Online Escape Sequence S30 Inactivity TimerS24 PBX/CBX Disconnect Drop Time for DSR/CTS/CD S25 DTR Dropout TimeS37 DTR Busy-In Time S94 Out-of-Service TimeS43 Force V.34 Connect Speed S48 Maximum V.34 Connect SpeedReading and Assigning S-Register Values AT Commands that Affect S-RegistersExamples of Assigning Values Examples of Reading ValuesAT&E2$SP1#L3$R0$MB19200$SB115200$EB1S0=10&W0CR Testing the MT3334HD8 Local Analog Loopback Test V.54 Loop Test procedureRemote Digital Loopback Test V.54 Loop Testing the MT3334HD8Dial the remote modem and establish your online connection Local digital loopback test Local Digital Loopback Test V.54 LoopPage Warranty, Service, and Technical Support Service Limited WarrantyRecording Product Information Technical SupportMulti-Tech BBS Logging onto the Multi-Tech BBSDownloading a File Reading a Message About CompuServeLeaving a Message BulletinsAbout the Internet About the Multi-Tech Fax-Back ServiceUpgrading the MT3334HD8 Firmware Using FlashPro to Upgrade FirmwareMT3334HD8 User Guide Appendixes Ctrl Code HEX DEC Appendix a Ascii Conversion ChartAppendix B Dial Pulses and Tones Dial PulsesTone Dial Frequencies Figure B-2. Standard Dtmf frequencies Multi-Tech Result Codes &Q0 Appendix C Result Code SummaryStandard AT Result Codes &Q1 Appendix D S-Register Summary Register Unit Range Default DescriptionSets fixed V.34 connect speed = 28800 bps Return Appendix E AT Command SummaryCDn AT Command Summary $Fn Command Values Description Command Values Description $MBn RAn Command Values Description SFn Command Values Description #Vn Breakatcr Appendix F Remote Configuration Basic ProcedureSetup Changing the Remote Escape Character Changing the PasswordsIndex MT3334HD8 User Guide Index Long space break Pacing, 36, 37, 38 enable/disable, 38 ENQ/ACK Commands Loopback tests, 42, 43, 54, 56 tone detection
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