Black Box MD885AE-R2, MD885C-R2, MD885A-R3, 34336 user manual Control Procedure Modem-to-Modem

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4.0 General Operation and Special Features

Control Procedure (Modem-to-Modem)

Enabling Modem-to-Modem Remote Control Mode

To remotely control a modem connected by a direct phone link, access REMOTE screen 1 (shown below).

REMOTE<1>

CONTROLTEST

If you select CONTROL, you will be able to control the front panel of the remote modem from the front panel of the modem you are using. When you select CONTROL, you will see (on the LCD of the modem you are using) whatever is currently displayed on the LCD of the remote modem. The characters on the LCD will be displayed in lower case—this is to let you know you are actually looking at a “copy” of the LCD of the remote modem. Buttons pressed on the front panel of the controlling modem will affect the controlled modem (and not the controlling modem). When you are remotely controlling another modem, the LCD will not change as quickly as it normally does.

NOTE

While a Modem 34336 is being remotely controlled by another Modem 34336 or is remotely controlling another Modem 34336, its diagnostic port cannot be used for other purposes—commands from the diagnostic port will be ignored.

(You can also access two remote test options from REMOTE 1 screen by selecting TEST. These test options, remote digital loopback and remote digital loopback self test, are described in Chapter 7.)

Exiting from Remote Control Mode

To exit from remote control mode, press the ENT pushbutton five times in succession on the front panel of the controlling modem. (If the remote modem resets as a result of a configuration change, the local modem will appear to have no control. To remedy this situation, press the ENT button five times.)

4.8.2REMOTE CONTROL THROUGH A RACK CONTROLLER

When installed in a rack enclosure equipped with an intelligent rack controller, the Modem 34336 can be used to control:

Another modem in the same rack or

A remote modem connected to any modem in the rack (address control mode only).

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Contents Modem FCC Information Table of Contents Table of Contents Diagnostics Table of Conents Specifications Specifications Installation Quick StartQuick Start For all applicationsFor dialup applications For leased-line applicationsFront-Panel LCD and Controls Front-Panel LCD and ControlsTR = MR =RS = CS =Quick Setup Available Quick Setup Configurations Dial HayesV25 Dial Async V25 Dial SyncQuick Setup 07 2-W Leased ANS Quick Setup 11 2-W Dial Quick Setup 12 2-W Dial V32/208AT D 9,5551212 cr Basic OperationAT D 5551212 cr AT DP Synchronous V.25 bis Operation Asynchronous V.25 bis OperationCRN Pushbutton 1 Phone Pushbutton 2 Prog Auto-Dial Failure Messages ENT9600 6 2-WIREDIAL Bell 208 Operation Quick Setups 11 34/V.32 Dial Backup Slave-to-Master Inbound Transmission Problem Solving This page is intentionally left blank Modem Setup Options Methods For Selecting OptionsSelecting Options from the Front-Panel Setup Type Line Speed For Modem SETUPS. The first Options Modem SETTING, bps Resultant Data RATE, bpsModem 1 V.42 Error Correction Options Modem Modem Setup Options Modem Modem Setup Options Dialer Mode Data Format Options Modem See Section Remote Test Enable Disable Modem Setup Options Modem Setups Compromise Equalizers option is available for all modes Modem 8 V.33 and Bell 208A/B Options Options Accessible with Summary Setup only Modem Setup Options Modem Modem Setup Options Quick Reset Phone Number StorageLeased Line Auto-Recovery General Operation and Special FeaturesDialing Control Characters Character FunctionDial Backup Dial Line Auto-Recovery DTR Dialing AT &Z0=T555-4545/RDumb Mode And Bell 208 Operation TR MR RS CS Modem Security Operation Password Commands Command Function EXAMPLE1 MEM.LOC.2AT &Z1=/ASECURITY AT &Z5=/PYELLOW Modem-Controlled Remote Control AT &Z0=/UCONNECTEDControl Procedure Modem-to-Modem Control Procedure Using a Rack Controller General Operation and Special Features Remote control-address control mode Diagnostic Interface Control Pin FunctionDiagnostic Port Commands Command FunctionConnect 3,22 Connect 003,022 CON 000003,22Response Meaning Error Address g,uDTE display Automatic Fallback V.22 bis/BELL 212A/BELL 103 Fallback Default Mode DescriptionRate Renegotiation Procedure RRP V.22 bis/V.22/V.21/V.23 FallbackHow to Enable or Disable RRP Rate Change Screen11 V.13 Operation Hayes Emulation Mode Hayes Mode AutodialerAT M2 V1 D 555-1212 S2=1O AT DT 9,212555-1234 or AT DT 9, 212 555Exclamation Flash AT DT 9,555-1212Hayes Compatible Commands AT D3331234 AT D 555-1212 L5 AT S7=30 AT D9,3331234 Hayes Emulation Mode Registers AT S0? S7? AT S0=5Modem Hayes Emulation Mode Selecting Options In Hayes Mode Hayes Mode Reference Tables Hayes Compatible Commands Speaker Volume Product Code Or ChecksumSpeaker Control Forced On-LineModify S Register Read S RegisterTone Dialing Word/Digit Result CodeForced Command State Recall Factory ConfigurationLong-Space Disconnect Recall Stored User ProfileData Set Ready Control Asynchronous/Synchronous ModeRTS And CTS Options Test Commands View Active Configuration, etcDefault User Profile Write Profile To MemoryStore Telephone Number Buffer Mode/Speed Conversion\B1 MNP Class LimitHayes Compatible Commands Hayes Mode Result Codes Digit Code Word Code Meaning105 Register Range Units Default Description S Register FunctionsV.25 bis Autodialer Enabling The V.25 bis AutodialerV.25 bis Autodialer Commands 109 V.25 bis Autodialer Commands CICSection V.25 bis Dialing ParametersC, D, #, DTR Dialing In V.25 bis Mode Dialing ParametersV.25 bis Result Codes V.25 bis Result CodesWhen And Why To Test Symptoms and Scope of The ProblemOverview Of Modem Diagnostics Physical InspectionHow to Select and Activate Tests Diagnostic Monitoring Status Screens116 117 Local Modem Diagnostics Analog Loopback Test119 Analog Loopback Self-Test Albst External Analog Loopback Test Albx 122 External Analog Loopback Self Test Albst 124 Digital Loopback Test DLB Remote Modem Diagnostics Remote Digital Loopback Test RDL127 Remote Digital Loopback Self Test Source Nation Indicator Pin Desig FunctionAppendix B Quick Setup Configurations Table B-1. Quick Setup ConfigurationsTable B-1 . Quick Setup Configurations Dumb LEASED2132 133 134 Appendix C Summary Setup Introduction to Summary SetupFigure C-1. How to access the Summary-Setup Screens Setups Screen Primary Options0 2 1 1 0 0 Primary OptionsDial Line Options V42 1 V42 0 0 0 1 0 2Data Pump Options Pump1 Pump2Miscellaneous Options Misc1 Misc2AT Profiles Screen AT ProfilesREG Screen Figure C-3. Changing the S Register ValueAppendix D Jumpers Appendix D Jumpers Table D-1. Jumper Switch Functions NOM Statement 148 Copyright 1999. Black Box Corporation. All rights reserved
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MD885C-R2, MD885A-R3, MD885AE-R2, 34336 specifications

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