Long space break | Multi-Tech Systems MT3334HD8 instruction

MT3334HD8 User Guide

busy-in time, 50 busy-out time, 50 control of, 29 disconnect drop time, 49

E

Echo Canceler Frequency Offset Compensation command, 28

Echo Command Mode Characters command, 22 ENQ/ACK Pacing command, 38

error correction at 300 bps, 32 automatic, 31 disabling, 31 selecting, 31, 32

Error Correction Modes command, 31 escape code character, 46

Escape Sequence Options command, 39 escape sequences

+++AT<CR>, 39 <BREAK>AT<CR>, 39 options, 39

remote configuration, 40 timeout, 49

Extended codes, 23

F

fallback, 24, 26

Fallback Modes command, 26 fax warning, iv

fax-back service, 64 FCC regulations, iii, 2

Flash On-Hook command, 18 FlashPro, 64

flow control, 30, 36, 37, 38 commands, 36 CTS/RTS enable, 37 disabling, 37

non-error correction mode, 38 XON/XOFF pass through, 37

Flow Control Disable command, 37 Format Line Probe Data command, 41, 42 front panel, 8

fuses, 6

G

Go Back Online command, 40

Guard Tones command, 26

H

handshake, 24 hanging up, 16, 39

Hardware Flow Control command, 37

I

Immediate Line Probe command, 42 inactivity timer, 49

in-band escape sequence, 39 indicators, 2

Inquire Product Code command, 35 installation, 8, 9

Internet, 2

L

LED indicators, 2 line feed character, 47

List Current Operating Parameters command, 35 List Current S-Register Values command, 36 List Online Diagnostics command, 36

List Stored Telephone Numbers command, 20 listing stored values, 20, 35, 36

Load Default Configuration command, 21 Login Password command, 40

long space break, 28

Long Space Disconnect command, 28 Loopback Test Modes command, 43 loopback testing, 54

M

manual organization, 3

Maximum Reliable Block Size command, 36 memory

nonvolatile (NVRAM), 13, 19, 20, 21, 22, 52 read-only (ROM), 13, 20, 21, 22, 52

MNP 3–5, 36

MNP error correction enable, 31 Modem Baud Rate command, 24, 34 MultiModemManager software, 10, 54 Multi-Tech BBS, 62

N

noise, 27, 49

non-error correction mode, 32, 38, 49

Non-Error Correction Mode Flow Control command, 38 Number Linking command, 20

Number of XOFF Characters command, 38

NVRAM (nonvolatile random access memory), 13, 19, 20, 21, 22, 52

90	CommPlete Communications Server

Image 96

Multi-Tech Systems MT3334HD8 manual Long space break

Contents

MT3334HD8 Modem User Guide Multi-Tech Systems, Inc Woodale Drive Mounds View, Minnesota CommPlete Communications Server FCC Fax Warning Canadian Limitations Notice Table of Contents Testing the MT3334HD8 Warranty, Service, and Technical SupportAppendix D Appendix F Introduction LED Indicators Power SuppliesIntroduction Manual Organization Installation Technical Specifications Data Rates Modem Introduction 2400 & 1200 bps MT3334HD8 User Guide Power Installation Safety Warnings MT3334HD8 modem card Pre-Installation Notes Installation ProcedurePage AT Commands Working with AT Commands Command StructureModes of Operation Command Editing AT Commands by Function $BA Dialing Commands Dial Modifier CommandsDs Dial Continuous Redial Pulse or Tone Dialing Wait for New Dial Tone Rn Reverse Originate/Answer Mode Return to Command Mode After DialingDialing Pause Flash On-Hook Phone Number Memory Commands @ Quiet AnswerCall Card Tone Detect DsNd Store a Phone Number Configuration Storage and Recall Commands Wn Store ConfigurationNdNe Number Linking List Stored Telephone Numbers Modem Response Result Code Commands Fn Load Default ConfigurationReset Modem Echo Command Mode Characters Result Codes Verbose/Terse Online Connection Commands An Answerback#An Auto Speed Detection Bn Answer Tone DCn AT Command Control CDn Cleardown at DisconnectDTn Dtmf Detection #Fn Fallback Modes Gn Guard TonesHn Busy-Out After Disconnect Pn Set Pulse-Dial Ratios RDn Square Wave Ring Detect $Tn Calling Tone#Tn Trellis-Coded Modulation Commands Fn Echo Canceler Frequency Offset CompensationYn Long Space Disconnect RAn Asymmetric Bit Rate RS-232 Interface Commands Cn Carrier Detect ControlDn Data Terminal Ready Control Rn Clear to Send Control Sn Data Set Ready ControlRFn CTS/RTS Interaction Control SFn DSR/CD Interaction Control Error Correction and Data Compression Commands En Error Correction Modes#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 $MBn Modem Baud Rate $SBn Serial Port Baud Rate Immediate Action Commands Repeat Last CommandInquire Product Code L5, L7 List Current Operating Parameters Flow Control Commands E3 Flow Control Disable En Non-Error Correction Mode Flow ControlE4 Hardware Flow Control E5 XON/XOFF Flow Control En Pacing Computer-Initiated Flow Control #Xn Number of Xoff Characters Sent Force Answer Mode Escape Sequences+++ATCR In-Band Escape Sequence Breakatcr Out-of-Band Escape Sequence Remote Configuration Commands Atcr Remote Configuration Escape Sequence#Ixxxxxx Change Login Password Go Back Online Line Probe Commands #Syyyyyy Change Setup PasswordDPn Read Line Probe Data DFn Format Line Probe Data Diagnostic Commands Tn Respond to Remote Digital Loopback SignalRP Immediate Line Probe Ln Display Line Probe Data Un Loopback Test Modes MT3334HD8 User Guide Registers Registers S0 Number of Rings Until Modem AnswersS1 Ring Count S2 Escape Code Character S7 Time for Carrier Abort Timer S4 Line Feed CharacterS5 Backspace Character S6 Wait Time for Dial Tone S10 Carrier Loss Disconnect Delay Time S13 Remote Configuration Escape CharacterS9 Carrier Detect Response Time S11 Tone Dialing Spacing and Duration S30 Inactivity Timer S34 Command Buffer Length After Online Escape SequenceS24 PBX/CBX Disconnect Drop Time for DSR/CTS/CD S25 DTR Dropout Time S94 Out-of-Service Time S37 DTR Busy-In TimeS43 Force V.34 Connect Speed S48 Maximum V.34 Connect Speed AT Commands that Affect S-Registers Reading and Assigning S-Register ValuesExamples of Assigning Values Examples of Reading Values AT&E2$SP1#L3$R0$MB19200$SB115200$EB1S0=10&W0CR Testing the MT3334HD8 Test procedure Local Analog Loopback Test V.54 Loop Testing the MT3334HD8 Remote Digital Loopback Test V.54 Loop Dial the remote modem and establish your online connection Local Digital Loopback Test V.54 Loop Local digital loopback testPage Warranty, Service, and Technical Support Limited Warranty Service Technical Support Recording Product Information Multi-Tech BBS Logging onto the Multi-Tech BBSDownloading a File About CompuServe Reading a MessageLeaving a Message Bulletins About the Multi-Tech Fax-Back Service About the Internet Using FlashPro to Upgrade Firmware Upgrading the MT3334HD8 Firmware MT3334HD8 User Guide Appendixes Appendix a Ascii Conversion Chart Ctrl Code HEX DEC Appendix B Dial Pulses and Tones Dial PulsesTone Dial Frequencies Figure B-2. Standard Dtmf frequencies Appendix C Result Code Summary Multi-Tech Result Codes &Q0 Standard AT Result Codes &Q1 Register Unit Range Default Description Appendix D S-Register Summary Sets fixed V.34 connect speed = 28800 bps Appendix E AT Command Summary Return CDn 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 Passwords Changing the Remote Escape Character Index 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