3Com Courier Manual de servicio

http://www.3com.com/

CourierTM V.Everything

Modem Command

Reference

Part No. 1.024.2129-01

Published June 2000

3Com Corporation

5400 Bayfront Plaza

Santa Clara, California

95052-8145

in any form or by any means or used to make any derivative work (such as translation, transformation, or

adaptation) without written permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time

to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.

3Com Corporation provides this documentation without warranty of any kind, either expressed or implied,

including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

3Com may make improvements or changes in the product(s) and/or the program(s) described in this

documentation at any time.

If there is any software on removable media described in this documentation, it is furnished under a license

agreement included with the product as a separate document, in the hard copy documentation, or on the

removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy,

please contact 3Com and a copy will be provided to you.

UNITED STATES GOVERNMENT LEGEND

If you are a United States government agency,then this documentation and the software described herein are

provided to you subject to the following:

All technical data and computer software are commercial in nature and developed solely at private expense.

Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or

as a “commercial item” as defined in FAR 2.101(a) and as such is provided with only such rights as are

provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights

only as provided in DFAR 252.227-7015 ( Nov1995) or FAR 52.227-14 (June 1987), whichever is applicable.

You agree not to remove or deface any portion of any legend provided on any licensed program or

documentation contained in, or delivered to you in conjunction with, this User Guide.

3Com, the 3Com logo, andV.Everything are registered trademarks and Courier and V.Everywhere are

trademarks of 3Com Corporation.

All other company and product names may be trademarks of the respective companies with which they are

associated.

CONTENTS

ABOUT THIS GUIDE

Introductio n1

Conventions 1

Related Documentation 2

CONNECTING TO YOUR ISP

Windows 95 /981-1

What You Ne ed1-1

Configuring Your modem with Plug and Play1-1

Follow the steps below to install the INF file for Windows 9 5/98:1-1

Installing the Latest Softwar e1-

AccessingYour Internet Service Provid er1-

Step One: Determine if Dial-Up Networking is Installed 1-3

Step Two: Installing Dial-Up TCP/IP Support1-

Step Three: Setting Up a Connection to Yo ur ISP1-5

Step Four: Customizing the TCP/IP Sett ings1-7

Windows NT 4 .01-9

1-9

What you ne ed1-10

Configuring Your mo dem1-10

Setting up RA S1-10

Determining if TCP/IP is installe d1-1

Installing TCP/I P1-11

Configuring a PPP connectio n1-1

Configuring a SLIP connect ion1-1

Troubleshootin g RAS1-13

Other Operating System s1-14

If You Are Using Windows 3. x1-14

If You Are Using MS-DOS 1-14

If You Are Using UNIX, Linux, or AI X1-14

USING THE AT COMMAND SET

This chapter includes information about 2-1

Overview 2-1

General rules for usingAT comman ds2-1

Basic AT command s2-2

Using S-Register s2-2

Displaying S-Register setting s2-3

Setting an S-Register 2-3

Getting a list of S-Register s2-4

Understanding bit-mapped S-Regi sters2-4

UPGRADING YOUR MODEM

CheckingYour Courier V.Everything Modem’s Software Ve rsion3-1

Getting New Operating Softwa re3-2

Sending New Software to your mod em3-2

If Your Modem Doesn’t Respon d3-3

Remote Flash 3-3

MODES OF OPERATION

Command and Online M odes4-1

Entering Online Command Mode4-2

Returning to Online M ode4-2

Controlling Local Ec ho4-2

Command-Mode Local Echo 4-2

Online-Mode Local Echo4-3

Data and Fax Mode s4-3

DIALING, ANSWERING, AND HANGING UP

Dialin g5-1

Dial option s5-1

Carrier Loss Redial 5-3

Answering Call s5-3

Force Answer Mode 5-4

Auto Answer 5-4

Hanging up5-5

Making International cal ls5-

Handshaking opt ions5-5

Guard tone 5-5

Call Detection 5-6

Caller ID Functions 5-6

Service Types 5 -6

Applications of CallerID Technol ogy5-6

How the CourierV.Everything Modem Handles Cal ler ID5-

Presentation Formats 5-8

Command s5-8

References 5-9

Distinctive Ring Sup port5-9

Command s5-1

Result Code s5-12

WORKING WITH MEMORY

Overview 6-1

6-2

Working with RAM and NVRA M6-2

Saving a Phone Number to NVR AM6-2

Displaying S-Register Value Informatio n6-3

Saving a Command String to NV RAM6-3

Programming the Voice/Data switch 6-3

Working with Flash Memory 6-4

Saving ROMTemplates to NVRAM 6-4

Default Settin gs6-5

CONTROLLING RESULT CODE DISPLAYS

Result Code Display Comman ds7-

Additional Result Code Sub sets7-2

CONTROLLING EIA-232 SIGNALING

Data Terminal Ready 8 -1

Data Set Ready 8-2

Carrier Detec t8-3

ACCESSING AND CONFIGURING THE COURIER V. E VERYTHING

MODEM REMOTELY

Overview 9-1

Setting Up Remote Acces s9-1

At the Host Courier V.Everything Mod em9-1

OtherRemote-AccessCommands9-3

Accessing the Hos t9-3

At the Guest Device 9 -3

Viewing and Changing the Host’s Configurat ion9-4

Remote Configuration Comma nds9-5

Quitting a Remote-Access Sessi on9-7

CONTROLLING DATA RATES

Overview 10-1

Serial Port Rates 10-1

Connection Ra tes10-3

Controlling Link Speeds with &N a nd &U10-4

Controlling Link Spe eds10-4

Specifying the Connect Sp eed10-4

10-4

Limiting a Range of Possible Connect Spe e ds10-4

&N and &U Command Val ues10-5

Configuring the High Speed L ED10-6

Setting DTE Rate to 230 K bps10-7

DIAL SECURITY

Overview 11-1

Setting up Dial Security 11-2

11-2

Dialback optio ns11-3

Modifying Acco unts11-4

11-5

Autopass Prompti ng11-6

Password Prompting 1 1-6

Maintaining Security Accoun ts11-8

Remote Configurati on11-8

What the Guest User Needs to Do 1 1-9

Configuring Dial Security Remote ly11-10

Dialing In From the Remote S ite11-1

DTMF Securit y11-1

FLOW CONTROL

Overview 12-1

Hardware and Software Flow Con trol12-

Hardware Flow Contro l12-

Software Flow Contro l12-

Received Data Flow Contro l12-3

Transmit-Data Flow Contro l12-5

HANDSHAKING, ERROR CONTROL, DATA COMPRESSION, AND

THROUGHPUT

Handshakin g13-1

Selective Reject 1 3-1

Attaining Speeds Above 28.8 Kbp s13-2

Attaining 56 K Connectio ns13-2

Controlling the V.8 Call Indicate Tone13-2

V.34 13-3

V.90 Capabilitie s13-3

Other Protocols 13-3

x2 13-3

Fast Class (V.FC) Handshakin g13-3

HST 13-4

USR V.32terbo to USR V.32ter bo13-4

Lower-speed V. Protocols 1 3-5

Error Contr ol13-

Error-Control Command s13-5

V.42 Error Contr ol13-7

MNP Error Contro l13-7

Error Control and Flow Cont rol13-7

Data Compression 13-8

V.42bis versus MNP5 Data Compressi on13-8

Getting Maximum Throug hput13-9

Maximum throughput results w hen:13-9

DISPLAYING QUERYING AND HELP SCREENS

Overview 14-1

Querying 14-1

Displaying Hel p14-3

ESTING THE CONNECTION

Overview 15-1

Testing the Courier V.Everything Modem using AT&Tn 15-2

Analogue Loopback Testi ng15-

UsingAT&T 115-3

Stoppinga Test(AT&T0, AT S18)15-3

UsingAT&T 815-4

Digital Loopback Testing (AT&T3 )15-5

15-5

Remote Digital Loopback Testing (AT&T6, AT&T7) 15-6

Granting a Digital Loopback Test Request (A T&T4)15-6

Canceling All Digital Loopback Test Requests (&T5)15-6

Testing Using Keyboard Data (AT&T6) 15-7

Testing Using a Built-inTest Pattern (AT& T7)15-8

DEDICATED/LEASED LINE AND SYNCHRONOUS APPLICATIONS

Overview 16-1

Requirement s16-2

A Device with a Synchronous Serial Port 16-2

A Serial Cabl e16-

Communications Softw are16-2

Synchronous Operatio ns16-2

Configuring the Courier V.Everything Modem for Leased Line

Operation 16-3

Dial UsingV.2 bis Softwar e16-4

Configuring the Courier V.Everything M odem16-4

Dialing Using V.2 5bis16-7

Hanging U p16-7

Returning to Asynchronou s Mode16-7

Synchronous Dialing Using AT Com mands16-8

Configuring the Courier V.Everything M odem16-8

Dialin g16-

Hanging Up16-10

Auto-Dialing 1 6-10

Configuring the Courier V.Everything M odem16-10

TROUBLESHOOTING

Problems That Occur Before Connect ing17-1

No response to AT 17-

The CourierV.Everything modem won't dial17-

Double characters are appearing on your monitor17-3

After you dial, the Courier V.Everything modem reports NO CARRIER and

then hangs up 17-3

Hear ringing but the Courier V.Everything modem won't an swer17-

The CourierV.Everything modem acts as though a data link has been

established, but no call was receive d,17-3

The CourierV.Everything modem behaves as if Enter were pressed when

you don't press any keys 17-3

Problems that Occur After Connect ing17-4

Your screen displays random or "garbage" chara cters17-4

Many CRC errors 1 7-4

Mainframe computer keeps dropping your conne ction17-5

Bad faxes or can't fa x17-5

Both devices exchange carrier signals, but fail to establish a

communications l ink17-

Errors during software downl oad17-7

If You Still Have Problems17-7

S-REGISTERS

Understanding Bit-Mapped S-Regi stersA-1

How bits are mapped to decimal value sA-1

Converting Bits to Decimal Val uesA-2

Converting Decimal Values to Bi tsA-2

Setting Bit-Mapped S-Register sA-2

Using Bi tsA-3

Using DecimalValue sA-3

Default S-Register Setti ngsA-3

A complete list of S-Registers A-5

ALPHABETIC COMMAND SUMMARY

Basic Command S etB-1

Ampersand (&) Command SetB-5

Percent (%) Command Set B -12

Octothorpe (#) Command S etB-1

FLOW CONTROL T

EMPLATE

Hardware Flow Contro lC-1

Software Flow control C-3

No Flow Contro lC-4

RESULT CODE MEANINGS AND SETS

Result Code Meanin gsD-

Result Codes Sets for Xn Values D-2

New Connect Message sD-3

V. 2 5 BIS REFERENCE

Command sF-1

Dial Options F-2

Result Code sF-2

Commands and Result Codes NOT Su pportedF-3

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