Allied Data Technologies Tornado WebJet 128 Manuale utente

Tornado WebJet 128

External ISDN Terminal Adapter

Users Manual

TORNADO WEBJET 128

Allied Data Technologies

Tornado WebJet 128

Disclaimer

This manual by ALLIED DATA TECHNOLOGIES B.V. (hereinafter referred to as ALLIED DATA TECHNOLOGIES) is a

reflection of the current state of the products described in it. It has been our aim to provide a description which would be

sufficiently complete and clear to see to it that our products would be as easy as possible to use. However, this manual

may contain technical inaccuracies and typing errors. As a result of rapid developments, we are also obliged to reserve

the right to implement technical modifications and developments without prior notice.

For this reason, ALLIED DATA TECHNOLOGIES does not warrant the contents of the manual and its permanent

applicability.

Neither is ALLIED DATA TECHNOLOGIES liable for possible loss of information or any improper use of information

resulting from the consultation of this manual. In particular, ALLIED DATA TECHNOLOGIES is not liable for any direct or

indirect damage (including loss of profits and comparable losses) resulting from the use or improper use of this manual,

even if ALLIED DATA TECHNOLOGIES or a representative of ALLIED DATA TECHNOLOGIES has been informed that such

damage could arise. Of course, this does not detract from out legal liability for intentionally inflicted damage or damage

on the basis of gross negligence.

In relation to the information mentioned in this manual, ALLIED DATA TECHNOLOGIES does not warrant that there are no

industrial rights of ownership (trademarks, patents, etc.). This also applies to commonly used brand names, company

names and product names, but these are subject to the relevant trade mark, patent and registered design laws.

The information is not to be copied, translated, reproduced or transferred or stored on any electronic medium or other

machine, neither wholly nor partly, without prior permission in writing from ALLIED DATA TECHNOLOGIES.

The sale and use of software is subject to the ALLIED DATA TECHNOLOGIES General Terms of Delivery and Payment as

well as its License Terms.

Should any term regarding the disclaimer be or become void for legal reasons, this will not affect the other terms.

ALLIED DATA TECHNOLOGIES B.V.

P.O. Box 788

3200 AS Spijkenisse

The Netherlands

Web-Jet, TelTron, QuaTron, TRON-DF , Tele-Talk, Triterm, Trion, Duon and VidiTron are registered trademarks of ALLIED

DATA TECHNOLOGIES B.V.

IBM is a registered trademark of International Busi-ness Machines Corp (IBM).

MNP is a registered trademark of Microcom Inc.

TORNADO WEBJET 128

Allied Data Technologies 3

III

Table of Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .V

1. ISDN, Data Communication, the Internet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

ISDN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Setting up a connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

The Function of the Tornado WebJet 128 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Internet Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Remote LAN Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Data bits, control bit and speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

2Getting started with the Tornado WebJet 128 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Description of the Tornado WebJet 128 terminal adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

The back of the Terminal Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

What else do you need . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Connecting the Terminal Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Establishing a data connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3. AT command set and S registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.1 The AT command set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.1.1 Command mode and data mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.1.2 Building a command line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

3.1.3 AT commands at a glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

3.2 S Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

3.2.1 Bitmapped S registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

3.2.2 List of S registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

3.3 Description of AT commands and S registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

3.4 General settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

3.5 Dialing and Answering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.5.1 Dialing an ISDN number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.6 Serial port settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

3.6.1 Result codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

3.6.2 Other messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

3.7 Profiles and identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

3.8 Other commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

4. Sundries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

4.1 Settings (profiles) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

4.2 Nonvolatile memory settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

5. Special applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

5.1 Dial-in configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

5.1.1 Subaddresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

5.1.2 MSN numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

5.1.3 Setting protocol priorities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

5.1.4 Remote Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

5.2 Firmware uploads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Appendix A: Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Appendix B: Allied Data Technologies Bulletin Board & Website . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Appendix C: RS232C Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Appendix D: Call Clearing Causes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Appendix E: ASCII Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Appendix F: Suggested further reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Figure 1: Possible ISDN Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Figure 2: Access to an On-line Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Figure 3: Asynchronous Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Figure 4: Tornado WebJet 128: Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Figure 5: Tornado WebJet 128: Back . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Figure 6: Outline of Tornado WebJet 128 Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Figure 7: Set Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Figure 8: DB9F-RS232C connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

TORNADO WEBJET 128

Allied Data Technologies

Introduction

The Tornado WebJet 128 (Terminal Adapter) connects two computers across more remote distances through ISDN, the

digital telephone line. Data may be retrieved from or sent to the other computer. Connections to the Internet or to an

external database are also possible this way. Internet or database information may be read and downloaded if necessary.

This manual doesn’t describe all steps necessary in data communication. It so happens that a number of actions is

dependent on the communication program used.

The manual is specifically meant to outline the use of the Tornado WebJet 128.

The Windows drivers installation procedure is described in the Installation Manual, which also covers the configuration

program.

Who should read this manual?

Both starting and experienced users can find the information they need in this manual. First of all, chapter 1 should prove

interesting to the former. It covers general information on data communication and the use of the Terminal Adapter. The

alphabetical description of the commands and the S registers (Chapter: AT command set and S registers) can be used as

reference by both types of users.

How is the manual set up?

The first chapter examines data communication in general. The second chapter describes the Tornado WebJet 128, the

installation and bringing into use of the Terminal Adapter. Chapters 3 and 4 explain the commands and the S registers.

Lastly, chapter 5 sums up the Tornado WebJet 128’s specific possibilities.

The appendices contain background information on a number of aspects, such as technical specifications and the ASCII

table.

We wish you good luck with your Tornado WebJet 128!

TORNADO WEBJET 128

Allied Data Technologies 5

1. ISDN, Data Communication, the Internet

This chapter starts off with a brief explanation of ISDN and the function of the Tornado WebJet 128.

After that, the concept of Data Communication is described.

ISDN

The introduction of ISDN (Integrated Services Digital Network) has made it possible to send information in a digital

format. This helps improve speed and reliability. ISDN was set up to integrate the existing speech, data and telex

telephone networks into one network. Apart from this integration, a separate signaling net was added to speed up

connection. Establishing a connection through the PSTN network (telephone net) by modem took about 15 seconds; this

has been reduced to just 2 or 3 seconds by using a terminal adapter through the ISDN network.

Figure 1: Possible ISDN Configuration

In ISDN, only one connection is needed for communication devices like faxes, telephones and terminal adapters. An ISDN

device only responds to an incoming call if the call is actually destined for it. For instance, if a call is made by a terminal

adapter, only a terminal adapter will respond; the fax and telephone will not. This is possible because information is sent

along about the kind of telecommunication service. This means a beeping fax on the line is a thing of the past.

With an ISDN2 or BRI (Basic Rate Interface) connection, you have two so-called B channels (64 Kbps) and a D channel (16

Kbps) at your disposal. Both the B channels are data channels, whereas the D channel gives access to the signaling net

and is used to make a connection. It is possible to connect eight ISDN devices to an ISDN2 connection, with a maximum

total cable length of 200 meters between devices and ISDN2 connection.

Setting up a connection

Setting up a data connection through the ISDN network is almost the same as doing so by modem. Once a protocol has

been selected, a number can be dialed using the ATD command. The Tornado WebJet 128 will now establish a

connection through the D channel. If the same protocol is selected on both sides, a data connection is set up through one

B or possibly both the B channels.

TORNADO WEBJET 128

Allied Data Technologies

The Function of the Tornado WebJet 128

Computers can exchange information, for example by floppy disk, by connecting two RS232 ports or through a network.

When the Tornado WebJet 128 is used, information is exchanged through the RS232 port and the ISDN network.

In a direct connection between two serial ports, it is only possible to bridge a limited distance (approx. 15 meters). The

ISDN network is used to cross greater distances. It is an existing infrastructure which can be used to establish worldwide

connections. The ISDN network is digital which means data may be sent directly from the serial port by means of a

protocol.

The Tornado WebJet 128 holds a number of standard protocols for exchanging data. In most cases, PPP (Point to Point

Protocol) is used to gain Internet access through an Internet Provider. The V.110 or V.120 protocols are used to contact

BBSs.

Internet Access

There are three common ways to gain Internet access through ISDN:

*PPP or multilink PPP

*V.120 with serial port speed adjustment

*V.110 without serial port speed adjustment

The mode you use is dependent on the access facilities of the Internet Service Provider (ISP) or Point Of Presence (POP)

(see Figure 2).

Figure 2: Access to an On-line Service

Internet Configuration

You can only gain ISDN access to the Internet if you have a contract with an Internet Service Provider (ISP) who works

with ISDN access. You will need the following information from your ISP to configure the Tornado WebJet 128:

*ISDN access number (to be entered into the PC program)

*The protocol used, for instance PPP (command: AT&O7), which has to be configured in the Tornado WebJet 128

*Access protocol (which has to be entered into the PC system software or the Internet software), usually PPP

You may need additional information to configure the Internet access software, like TCP/IP address, user name, password,

etc. For more information, consult the software manual and contact your ISP.

Remote LAN Access

In order to gain remote access to a LAN through ISDN, it is necessary for you to apply the protocol used by the ISDN

router on the LAN. Contact the system administrator.

Data bits, control bit and speed

The RS232 standard describes how serial information is processed (passed on). In a computer, bits are processed

concurrently (parallel). These bits are passed on one by one through the serial port. In order to make sure the receiving

end can interpret these data bits correctly, some extra bits are sent along.

TORNADO WEBJET 128

Allied Data Technologies 7

These are: one start bit or control bit (parity bit for error detection) and one or two stop bits. Together they form a frame

or character.

The most commonly used frame for standard asynchronous communication is 8N1:

(1 start bit + 8 data bits + 1 stop bit)

Figure 3: Asynchronous Format

Apart from the frame (character), the speed (baud rate) has to be set. Speed is expressed in terms of Bits per Second

(bps) or baud.

Possible port speeds are: 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600 and 115200 bps

If data bits, control bits and speed are set at the computer end, the Tornado WebJet 128 will adapt automatically as soon

as an AT command is sent.

Attention! Check whether the computer’s serial port is fit for 115200 bps.

TORNADO WEBJET 128

Allied Data Technologies8

Getting started with the Tornado WebJet 128

In this chapter, a description of the terminal adapter is followed by a discussion of the installation procedure. Lastly,

setting up a step-by-step connection is gone into by giving some examples.

Description of the Tornado WebJet 128 terminal adapter

The top of the terminal adapter shows four LEDS. Three of them reflect the status of the ISDN connection and the serial

port. The fourth one indicates whether there is power on the Tornado WebJet 128.

Figure 4: Tornado WebJet 128: Top

Meaning of the LEDs from left to right:

DATA B1 B2 PWR

Serial data transfer/ Channel B1 Channel B2 Line power

DTR status

The Data LED also reflects the DTR status. When DTR is active, the LED is on. When there is data transfer on the serial

port, the LED will blink.

TORNADO WEBJET 128

Allied Data Technologies 9

The back of the Terminal Adapter

The connections are found at the back of the terminal adapter.

Figure 5: Tornado WebJet 128: Back

What else do you need

Apart from the terminal adapter, you need:

1. an ISDN connection

2. a computer or terminal with a serial port

3. a communication program

4. the ISDN number and other data (speed, parity, etc.) of the database you wish to contact

5. a serial cable and ISDN cable

6. an electrical outlet

Connecting the Terminal Adapter

1. Connect the serial ports of the terminal adapter and the computer.

2. Take the ISDN cable and click the RJ45 connector into the terminal adapter (S0 connection).

3. Plug the Tornado WebJet 128 Power adapter into the electrical outlet.

4. Plug the Power adapter connector into the power connection at the back of the Tornado WebJet 128. The green power

LED is now on.

5. After it has been switched on, the terminal adapter will perform an extensive self-test. This will take a few seconds.

TORNADO WEBJET 128

Allied Data Technologies10

Protocols

The Tornado WebJet 128 can work with different protocols. A connection to another Terminal Adapter (TA) cannot be

established unless both are set to use the same protocol. For this reason, it is important to verify which protocol is

supported by the TA called to.

The ATI5 command is used to retrieve an outline of the protocols supported. The Tornado WebJet 128 will give the

following response:

Figure 6: Outline of Tornado WebJet 128 Protocols

ati5

Tornado WebJet 128 V0.7, September 1998

Service Channel Bearer Typ/max rate Protocols

------------------------------------------------------------------------------------------------------------------------------------------

7 asyn PPP B data 115.2/230.4 PPP conversion asyn-sync

8 asyn transp Bdata 57.6/ 57.6 V.14

9 asyn transp Bdata 19.2/ 38.4 V.110 asyn

10 asyn transp B data 115.2/230.4 V.120 asyn

13 asyn transp 2B data 230.4/230.4 V.120 asyn, MLP

16 GCI-speech B1,B2 voice 230.4

18 GCI-data B1,B2 data 230.4 any

27 asyn transp B1,B2 data 115.2/230.4 ML PPP RFC1990 asyn-sync

28 asyn transp B1,B2 data 115.2/230.4 TRANSPARENT asyn-sync

Remote control.

The above list is an example. It is possible that your Tornado WebJet 128 will produce another outline due to software

changes.

A protocol is selected by using the AT&O<n> command. To select the corresponding protocol, the number found in the

left column has to be entered for <n>. For example:

AT&O7 PPP is the protocol selected

The factory setting is V.120 (&O10).

The AT&V command is used to display current settings. It can be used to check if the correct protocol has been selected.

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