Multi-Tech Systems MT9234ZBA-V manual Console Port Connections, Remote Configuration

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Appendix E – Connecting to a Cisco Router

Step 3: Console Port Final Setup

Send the following command string to the modem connected to the console port of the Cisco router:

AT%R1&W0

The %R1 command sets E0, Q1, &D0, &K0, $SB9600, and %S1, and the &W0 command stores the commands to memory. The %R1 command sets the following functions:

E0

Turns command echo off

Q1

Turns result codes off

&D0

Ignores DTR from the DTE

&K0

Selects no flow control

$SB9600

Sets the serial baud rate to 9600 bps.

%S1

Disables command mode at all serial speeds except 115200 bps.

The modem is now configured for use on the Cisco router console port. Note that command echo and result codes have been turned off. If it becomes necessary to send additional AT commands to the modem after it has been so configured, there will be little feedback from the modem that it has received and acted upon the command. Only commands such as ATI0 that request specific data from the modem will send any data to the DTE as an indication that the modem has accepted the command. Temporarily turning on command echo and result codes might ease reconfiguration of the modem. When the modem is connected to the console port, turn the modem off and then on again. This will set the serial baud rate to 9600 bps as the $SB9600 command is implemented.

Console Port Connections

To connect a personal computer to the console port, use the RJ-45-to-RJ-45 roll-over cable and either the RJ-45-to-DB- 25 female DTE adapter or the RJ-45-to-DB-9 female DTE adapter (labeled “TERMINAL”).

Cable Pin-outs and Cabling Guide

Console

 

 

 

 

Modem

(DTE)

Console port

Console cable

Adapter

Adapter

(DCE)

signal

RJ-45 pin

RJ-45 pin

DB-9 pin

DB-25 pin

signal

RTS

1

8

8

4

RTS

DTR

2

7

6

20

DTR

XMT

3

6

2

2

XMT

GND

4

5

5

7

GND

GND

5

4

5

7

GND

RCV

6

3

3

3

RCV

DSR

7

2

4

6

DSR

CTS

8

1

7

5

CTS

Remote Configuration

The configuration of the modem described in Step 3 contains the core settings that allow the modem to function properly on the console port of the Cisco router. Commands in this section may be done remotely by calling into the MT9234ZBA attached to the console port with another modem.

Note: Setting country/region configuration and turning on callback security cannot be done remotely. Nor can all commands be executed remotely if the remote modem is set for callback security; remote configuration of a modem so configured is not recommended.

Establish a data connection with a remote MT9234ZBA modem.

Send three remote configuration escape characters followed by AT and the setup password, and then press ENTER.

Example: %%%ATMTSMODEM. You have four tries to enter the correct password before being disconnected. If the password is correct, the remote modem may respond with OK.

Note: If the modem has previously been configured with command echo off and result codes off, it may be difficult to determine if the remote modem is responding to commands. The ATI command can be used for this purpose. Even with echo and result codes off, the modem will respond with the requested ID string if it is properly receiving the command.

You can now send AT commands to configure the remote modem.

When you have finished configuring the remote modem, save the new configuration by typing AT&W0<CR>, then type ATO<CR> to exit remote configuration. You can then break the connection in the normal way.

Note: This step is important to ensure that the connection is broken cleanly.

 

 

 

Multi-Tech Systems, Inc. MT9234ZBA-Series User Guide (S000387A)

35

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Contents MultiModem ZBA Revisions Table of Contents Table of Contents Introduction FeaturesTechnical Specifications Diagnostics Opening the Modem InstallationSafety Warnings Change the Internal JumpersChanging the Voice Jumper Connect the Modem to Your PC Install the Modem Driver Using AT Commands to Configure Your Modem Leased-Line Operation SetupOperation About the Front PanelConnecting to the Internet Changing the Setup Password Remote ConfigurationBasic Procedure SetupTurning Callback Security On and Off Changing the Setup PasswordCallback Security Password-Only Callback Setting Callback Security Message ParityAssigning Callback Passwords and Phone Numbers Calling ProceduresExtension-Entry Callback Number-Entry CallbackDirect Connection Callback Security CommandsCallback Assignments Form Modem Does Not Respond to Commands TroubleshootingNone of the Indicators Light 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 IDRepair Procedures for U.S. and Canadian Customers Warranty, Service, and Technical SupportMulti-Tech Warranty Statement Replacement Parts Repair Procedures for International DistributorsIdentify the Modem Firmware Upgrade OverviewDownload the Upgrade File Appendix a Upgrading the Modem’s FirmwareClear Your Stored Parameters Extract the Upgrade FilesUpgrade the Modem’s Firmware Restore Your ParametersFCC Part 68 Telecom FCC Part 15 RegulationIndustry Canada EMC, Safety and R&TTE Directive ComplianceFax Branding Statement Canadian Limitations NoticeSouth African Statement International Modem RestrictionsNew Zealand Telecom Warning Notice Weee Waste Electrical and Electronic Equipment Statement Appendix C Waste Electrical and Electronic EquipmentSetup Appendix D Installing a Modem under LinuxConnecting to a Cisco Router Console Port Appendix E Connecting to a Cisco RouterConsole Port Connections Remote Configuration依照中国标准的有毒有害物质信息 Appendix F C-ROHS HT/TS Substance ConcentrationIndex AT commandsTelephone
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