Multi-Tech Systems MT9234ZBA-V manual Setting Callback Security Message Parity

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Chapter 5 – Callback Security

Setting Callback Security Message Parity

The modem’s password prompt and messages parity must match the parity of the computer to which the modem is connected.

1.Open a data communications program such as HyperTerminal.

2.In the terminal window, type AT#Sxxxxxxxx, where xxxxxxxx is your password. Press ENTER. The modem responds with OK if the setup password is correct and ERROR if it is wrong.

3.The modem’s parity default value is No parity (AT#CBP0). To change the modem’s default to use even parity, type AT#CBP2. Press ENTER. For odd parity, type AT#CBP1. Press ENTER.

4.To store the new parity value, type AT&W. Press ENTER.

Assigning Callback Passwords and Phone Numbers

1.Open a data communications program such as HyperTerminal.

2.In the terminal window, type AT#Sxxxxxxxx, where xxxxxxxx is your password. Press ENTER. The modem responds with OK if the setup password is correct and ERROR if it is wrong.

3.Enable callback security by typing AT#CBS1 or AT#CBS2 and pressing ENTER.

4.To store a callback password for the first callback memory location, type AT#CBN0=xxxxxxxx, where xxxxxxxx is the first password. Press ENTER. The password must be unique, must be six to eight characters in length, and must not contain a + or - character.

5.To store a callback password for the second callback memory location, type AT#CBN1=xxxxxxxx, where

xxxxxxxxis the second password. Press ENTER. Note that the memory location number in the command is incremented by one.

6.Repeat as many times as necessary, up to memory location 29, until all passwords are entered.

7.To store a callback phone number in the first memory location, type AT&Z0=[+][-]ATxxxxxxxx[,???], where

xxxxxxxxis the dialing string. Press ENTER. The phone number must be preceded by DT for tone dialing or DP for pulse dialing. The dialing string can also include other AT commands.

Example: AT&Z0=+-ATM0DT5551212. Up to 35 characters can be used. The +, -,and ??? characters are optional:

+Number entry. Enables a mobile caller to enter his current phone number for callback.

-Direct connection. Enables a caller to choose direct connection without being called back.

,??? Extension entry. Must be used with the + command. Enables a caller to enter an extension number for callback. The number of ? characters must equal the number of digits in the extension.

8.To store a callback phone number in the second memory location, type AT&Z1=[+][-]ATxxxxxxxx[,???], where xxxxxxxx is the dialing string, and press ENTER. Note that the memory location number in the command is incremented by one.

9.Repeat, through memory location 29, until all dialing strings are entered.

10.To review your entries, type AT&V and press ENTER.

Note: A form is provided on the last page of this chapter to help you plan or keep track of password and phone number assignments.

Multi-Tech Systems, Inc. MT9234ZBA-Series User Guide (S000387C)

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Contents MultiModem ZBA World Headquarters PN S000387C, Version C CopyrightTrademarks PatentsContents Features AT Commands InfoIntroduction CE Mark Technical SpecificationsOpening the Modem InstallationSafety Warnings Change the Internal JumpersChanging the Voice Jumper Connect the Modem to Your PC Windows Installer Connect the Modem to the AC Power OutletPower-On Test Install the Modem DriverPage Click Initial Setup and Country/Region Selection Configure the Modem for Your Country or RegionUsing the Global Wizard to Configure Your Modem Using AT Commands to Configure Your ModemAbout the Front Panel SetupConnecting to the Internet OperationRemote Configuration Changing the Setup PasswordChanging the Remote Escape Character Changing the Setup Password Callback SecurityTurning Callback Security On and Off Assigning Callback Passwords and Phone Numbers Setting Callback Security Message ParityCalling Procedures Password-Only CallbackNumber-Entry Callback Direct Connection Extension-Entry CallbackCallback Assignments Form Callback Security CommandsTroubleshooting None of the Indicators LightModem Does Not Respond to Commands Modem Cannot Connect When Dialing Page Fax and Data Software Can’t Run at the Same Time Data Is Being LostThere Are Garbage Characters on the Monitor Modem Doesn’t Work with Caller IDIdentify the Current Firmware Version Download the Upgrade FileAppendix a Upgrading the Modem’s Firmware Identify the Modem FirmwareClear Your Stored Parameters Extract the Upgrade FilesUpgrade the Modem’s Firmware Restore Your ParametersAppendix B Regulatory Compliance FCC Part 15 RegulationFCC Part 68 Telecom Thailand Approval EMC, Safety and R&TTE Directive ComplianceCanadian Limitations Notice Industry CanadaNew Zealand Telecom Warning Notice South African StatementJapan Requirements Special phone cable is required for regulatory compliance Brazil Special Cable for MT9234ZBA model onlyAppendix C Environmental Information Weee Waste Electrical and Electronic Equipment StatementReach Statement Appendix C Environmental Info CR6+ Rohs HT/TS Substance ConcentrationAppendix D Installing a Modem under Linux Appendix E Connecting to a Cisco Router Configure the Modem for your Country or RegionConfigure for Callback Security in Direct Connect Mode Console Port Final Setup Remote ConfigurationConsole Port Connections Index AT commands
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MT9234ZBA-V, MT9234ZBA specifications

Multi-Tech Systems has long been a trusted name in the field of communication technology, and its MT9234ZBA and MT9234ZBA-V modem products exemplify the company's commitment to delivering robust and reliable connectivity solutions. These modems are ideal for a range of applications, including telephony, data communication, and remote monitoring, making them a versatile choice for both personal and professional use.

One of the standout features of the MT9234ZBA and MT9234ZBA-V is their high-speed data transmission capabilities. Both models support data rates of up to 56 Kbps, ensuring efficient and swift data transfer for various applications. This allows users to experience minimal latency during downloads and uploads, appealing to those who depend on timely and reliable data delivery.

These modems utilize advanced technologies, such as V.92 and V.90 protocols, which enable users to benefit from features like quick connect, thereby reducing the time it takes to establish a connection. Additionally, the modems support both analog and digital lines, making them adaptable for different environments and infrastructures.

Another notable characteristic of the MT9234ZBA and MT9234ZBA-V modems is their compatibility with a wide range of operating systems, including various versions of Windows, Linux, and Mac OS. This cross-platform support ensures that users can easily integrate these modems into their existing software environments without encountering significant compatibility issues.

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For those concerned about security, Multi-Tech Systems has integrated multiple security features within these modems. This includes support for encryption protocols, ensuring that data transmitted over the modem remains secure and protected from unauthorized access.

In conclusion, the MT9234ZBA and MT9234ZBA-V by Multi-Tech Systems represent an excellent choice for anyone in need of reliable and high-speed modem solutions. With their advanced features, compatibility with various operating systems, and emphasis on security, these modems stand out in the crowded telecommunications market. Whether for home use or in a professional setting, the MT9234ZBA and MT9234ZBA-V offer robust solutions for modern communication needs.
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