#CBAn Callback Attempts | Multi-Tech Systems MT5634ZBAV instruction

User Guide

Command:	+ES=n Enable Synchronous Buffered Mode
Values:		n = 6
Default:		None
Description:		Allows an H.324 video application direct access
		to the synchronous data channel. On underflow,
		the modem sends HDLC flag idle (0x7E) to the
		remote modem.·This special error control mode
		is overridden by any of the following commands:
		&F, &M, &Q, or \N.
		AT+ES=? shows the only allowed value.
		AT+ES? shows the current value.
Command:	#CBAn	Callback Attempts
Values:		n = 1–255
Default:		4
Description:		Sets the number of callback attempts that are
		allowed after passwords have been exchanged
		between modems.·
Command:	#CBDn	Callback Delay
Values:		n = 0–255
Default:		15
Description:		Sets the length of time (in seconds) that the mo-
		dem waits before calling back the remote modem.
Command: #CBF? Callback Failed Attempts Display
Values:		n/a
Default:		n/a
Description:		Requests the number of failed callback pass-
		words since reset or power-up. This number can

be stored to nonvolatile memory using the &W command.

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Multi-Tech Systems MT5634ZBAV manual +ES=n Enable Synchronous Buffered Mode, #CBAn Callback Attempts, #CBDn Callback Delay

Contents

Model MT5634ZBA Model MT5634ZBAV Page Model MT5634ZBA Model MT5634ZBAV Models MT5634ZBA and MT5634ZBAV Contents Features User Guide Callback Security Vii Appendix C Loopback Tests Viii 145 User Guide Introduction Page Introduction Product Description Introduction What Is in Your Modem Package? Related Manuals User Guide Quick Start Page Introduction What You Will NeedQuick Start We supply Safety Warnings Assemble the Modem Mounting the feet Change the Internal Jumpers Opening the Modem Internal jumpers MT5634ZBAV User Guide Changing the Speaker Jumper Changing the Dial-Up/Leased-Line Jumpers Connect the Modem to Your System Modem connections User Guide RS232 Connection Line ConnectionPhone Connection Microphone Connection MT5634ZBAV only Power-On Test Power ConnectionQuick Start Speaker Connection MT5634ZBAV only Install the Modem in Windows Adding the Modem to Windows 95 or NT Removing Your Old Modem from Windows 95 or NT Install and Configure Your Software Quick Start User Guide Call the Multi-Tech BBS Windows 95 HyperTerminal Windows Terminal Quick Start Select Start Programs Accessories Fax Compose new fax Send a Fax Other Ways to Access Microsoft Fax Voice Mail Test Test the MT5634ZBAV Voice CircuitsLoopback Test Speakerphone Test AT+FCLASS=8 AT+VLS=7 References Features Page Features What Can You Do with Your Modem? Features Data Fax Voice MT5634ZBAV only Computer Required EquipmentSerial Cable Features Telephone Line Communications Software Connecting to the Computer RS232 Connections Connecting to a Telephone Set Phone Features Connecting to the Telephone Line LineConnecting to a Microphone MIC Connecting to a Sound Card Spkr Connecting to a Speaker SpkrConnecting to Power PWR Surge Protectors and Lightning 56 56K Mode 56,000-32,000 bps. The 56 LED lights whenever Front Panel Features User Guide AT Commands Registers Result Codes Page AT Commands AT Commands, S-Registers, and Result Codes Enter Key AT Command SummaryAnswer Repeat Last Command Communication Standard SettingCarrier Control Dial ATDT1028806127853500$123456789 DS=y Dial Stored Telephone Number Echo Command Mode Characters Echo Online Data CharactersHook Control Information Request Monitor Speaker Mode Monitor Speaker VolumeModulation Handshake Return Online to Data Mode Result Codes Enable/DisablePulse Dialing Set Register Value Sr? Read Register Value Tone DialingResult Code Format Result Code Options Modem Reset Long Space Disconnect Data Carrier Detect DCD Control Auto RetrainData Terminal Ready DTR Control Load Factory Settings Communications Mode22bis Guard Tone Control Auxiliary Relay Control Test Commands Asynchronous Communications ModeData Set Ready DSR Control Store Current Configuration Display Current SettingsSelect Stored Configuration for Hard Reset Zy=x Store Dialing Command Speaker Codec Loopback\An Select Maximum MNP Block Size \Bn Transmit Break \Jn Data Buffer Control \Gn Modem Port Flow ControlBreak Control \Nn Error Correction Mode Selection \Qn Flow Control Selection \Tn Inactivity Timer\Vn Protocol Result Code \Xn XON/XOFF Pass-Through Data Calling ToneView Numbers in Blacklist Data Compression Control $Dn DTR Dialing DCn AT Command Control$EBn +ES=n Enable Synchronous Buffered Mode #CBDn Callback DelayCommand #CBF? Callback Failed Attempts Display #CBAn Callback Attempts Callback Failed Attempts Reset #CBIn Local Callback Inactivity TimerCommand #CBNy=x Store Callback Password #CBPn Callback Parity Callback Security Reset Callback Enable/DisableEnter Setup Password Command #S=x Store Setup Password +++ATCR Escape Sequence Register Unit Range Default Description Registers S10 S11S28 S35 Register Unit Range Default Description S36 S37 S42 Register Unit Range Default Description S38S43 Register Unit Range S48S89 S108 Result Codes Terse Verbose Description Delayed Remote Configuration Page Basic Procedure Remote Configuration Setup Changing the Setup Password Remote Configuration Changing the Remote Escape Character User Guide Callback Security Page Setup Procedures Callback Security User Guide To Change the Setup Password To Turn Callback Security On and Off To Set the Parity of the Callback Security Messages To Assign Callback Passwords and Phone Numbers Callback Security Calling Procedures Password-Only Callback Number-Entry Callback Extension-Entry Callback Direct Connection Callback Security Commands #CBFR Command #CBPn #CBS0 Zy=+-x,???Store Dialing Command Only after the setup password has been entered 100 Solving Problems Page Solving Problems None of the Indicators Light103 Modem Does Not Respond to Commands 104 105 106 Modem Dials But Cannot Connect 107 108 4The Modem Disconnects While Online 109 File Transfer Is Slower Than It Should Be 110 Data Is Being Lost 111 Fax and Data Software Can’t Run at the Same Time 4The Modem Doesn’t Work with Caller ID112 Appendixes Page Regulatory Compliance FCC Regulations for Telephone Line Interconnection115 116 Canadian Limitations Notice 117 FCC Fax Update 118 Compliance with Babt Requirements 119 European Low Voltage Directive EMC and Safety Compliance120 Command Default Register DefaultAustralian Modem Warning Notice 121 Use of Supplied Power Transformer 122 New Zealand Telecom Warning Notice 123 124 Technical Specifications Error Correction Mode of OperationIntelligent Features Command Buffer Carrier Frequencies ITU-TAT&T V.32 terbo ITU-T V.32bis/V.32 Carrier Frequencies 22bis/V.22 or Connectors Bell 103/113Fax Carrier Frequencies Diagnostics IndicatorsPower Requirements Power Consumption 130 Loopback Tests 131 Local Analog Loopback Test V.54 Loop Test procedure132 Remote Digital Loopback Test V.54 Loop 133 User Guide Test procedure 134 Local Digital Loopback Test V.54 Loop 135 136 Warranty, Service, and Technical Support Limited Warranty137 Service Technical SupportMulti-Tech Systems, Inc Woodale Drive Mounds View, MN Attn Repair Multi-Tech BBS Online Warranty Registration139 If you don’t know the file name If you know the file name140 About the Internet 141 About CompuServe About the Multi-Tech Fax-Back Service142 Upgrade Procedures Upgrade Overview143 Identify the Modem Firmware Identify the Current Firmware VersionMulti-Tech Web Site 144 Multi-Tech BBS 145 Download the Upgrade File 146 Clear Your Stored Paramenters Extract the Upgrade Files147 Upgrade the Modem’s Firmware 148 Flashwin 149 Restore Your Parameters 150 Index Page Index 153 154 47, 70 155 20, 21 Enable Synchronous Buffered Mode 156 Modem Port Flow Control command 157 158 20, 55 Store Telephone Number command 159 User Guide 160