Black Box MD885AE-R2, MD885C-R2, MD885A-R3, 34336 user manual AT S0? S7?, AT S0=5

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5.0 Hayes Emulation Mode

5.3.1READING AND SETTING REGISTERS

Use the S command to read the value of a register or to change its value.

To read the current value of a register, use the command S?, where the number of the register is specified between the S and the ?—for example, S9?. The decimal value of the register contents is displayed. You may read multiple registers. For example, if you wish to read the current value in registers S0 and S7, enter the following command.

AT S0? S7?

A typical response might be 001, 030, OK, meaning the values stored in registers S0 and S7 are 1 and 30, respectively.

To set or change a parameter, use the command S=, where the number of the register follows S and a value between 0 and 255 (the range of values that can be assigned to the registers) follows the equal sign:

AT S0=5

The above command changes the value stored in S0 to 5.

The S command can also be used without ? or = to point to a register that will be read from or written to without being specified. To illustrate this, if you enter the following command, a pointer is set to the address of register S7.

AT S7

As long as no other S command is entered, the register value can be requested at any time without specifying the number. If you enter AT ? the modem displays the current value in the S7 register. Similarly, if you enter AT=8 the modem changes the value in the S7 register to 8.

5.3.2S REGISTER FUNCTIONS

This section describes the function of each S register. Table 5-3 lists the range of possible parameters and the default value for each S register.

•S0 — Ring To Answer On. The value in this register determines on what ring (first, second, third, etc.) the modem answers. Setting S0 to 0 disables auto-answer.

•S1 — Ring Count. Register S1 counts the number of ring signals for each incoming call. If more than 8 seconds pass since the last ring, S1 is cleared to zero.

•S2 — Escape-Code Character. The escape code is effective for asynchronous operation only. Values greater than 127-completely disable escape code detection and prevent you from issuing a hang-up command.

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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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